§ 81.326 - Missouri.  


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  • § 81.326 Missouri.

    Missouri—TSP

    Designated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards
    St. Louis AQCR (070):
    St. Louis (an area extending west about 2 miles from the Mississippi River, north to near I–270 and south to about 1 mile beyond the city limitsX
    Remainder of the city of St. LouisX
    Remainder of AQCRX
    Kansas City AQCR (094):
    Kansas City (an area extending approximately from the Kansas state line east along Red Bridge Road and 115th Street to Missouri Highway 291, then north to I–70, east to Missouri Highway 7, north to U.S. Highway 24 west to Missouri Highway 291, north to Missouri Highway 152, west to Missouri Highway 9, south to U.S. Highway FF, and due south to the state line)X
    St. Joseph: Within city limitsX
    Remainder of AQCRX
    Northern AQCR (137): Mexico (township 51 north, range 9 west)X
    Remainder of AQCRX
    Southeastern AQCR (138)X
    Remainder of AQCRX
    Southwestern AQCR (139)X

    Missouri—1971 Sulfur Dioxide NAAQS

    [Primary and Secondary]

    Designated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards
    Northern AQCR (137):
    Pike CountyX
    Ralls CountyX
    Remainder of AQCRX
    Remainder of StateX

    Missouri—2010 Sulfur Dioxide NAAQS

    [Primary]

    Designated area1 Designation
    Date2 Type
    Jackson County, MO3/2/2022Attainment.
    Jackson County (part).
    The portion of Jackson County bounded by I–70/I–670 and the Missouri River to the north; and, to the west of I–435 to the state line separating Missouri and Kansas
    Jefferson County, MO2/28/2022Attainment.
    Jefferson County (part)
    That portion within Jefferson County described by connecting the following four sets of UTM coordinates moving in a clockwise manner:
    (Herculaneum USGS Quadrangle), 718360.283, 4250477.056, 729301.869, 4250718.415, 729704.134, 4236840.30, 718762.547, 4236558.715
    (Festus USGS Quadrangle), 718762.547, 4236558.715, 729704.134, 4236840.30, 730066.171, 4223042.637, 719124.585, 4222680.6
    (Selma USGS Quadrangle), 729704.134, 4236840.30, 730428.209, 4236840.3, 741047.984, 4223283.996, 730066.171, 4223042.637
    (Valmeyer USGS Quadrangle), 729301.869, 4250718.415, 731474.096, 4250798.868, 730428.209, 4236840.3, 729704.134, 4236840.30
    New Madrid County, MO4/30/2021Nonattainment.
    New Madrid County (part).
    Area bounded by: East: Missouri/Kentucky and Missouri/Tennessee State lines. North: County Highway 406 East to Levee Road, following Levee Road North to County Highway 406, then extending directly East to the Missouri/Kentucky State line. West: County Highway 403 South: County Highway 408 East to the intersection with County Highway 431, then extending directly East to the Missouri/Tennessee State line.
    Franklin-St. Charles Counties, MO9/12/16Unclassifiable.
    Franklin County (part)
    The eastern and western boundaries are Boles Township boundaries. The northern boundary is the Franklin County-St. Charles County Line. The southern boundary is Interstate 44.
    St. Charles County (part)
    The eastern and western boundaries are Boone Township boundaries. The northern boundary is Missouri Route D and Highway 94. The southern boundary is the Franklin County-St. Charles County Line.
    Jackson County, MO9/12/16Unclassifiable.
    Jackson County (part)
    The northern boundary is the county line separating Jackson County from Clay and Ray Counties. The eastern boundary is the county line separating Jackson County from Lafayette County. The southern boundary is Interstates 70 and 470. The western boundary is Missouri Highway 291.
    Adair CountyAttainment/Unclassifiable.
    Andrew CountyAttainment/Unclassifiable.
    Atchison CountyAttainment/Unclassifiable.
    Audrain CountyAttainment/Unclassifiable.
    Barry CountyAttainment/Unclassifiable.
    Barton CountyAttainment/Unclassifiable.
    Bates CountyAttainment/Unclassifiable.
    Benton CountyAttainment/Unclassifiable.
    Bollinger CountyAttainment/Unclassifiable.
    Boone CountyAttainment/Unclassifiable.
    Buchanan CountyAttainment/Unclassifiable.
    Butler CountyAttainment/Unclassifiable.
    Caldwell CountyAttainment/Unclassifiable.
    Callaway CountyAttainment/Unclassifiable.
    Camden CountyAttainment/Unclassifiable.
    Cape Girardeau CountyAttainment/Unclassifiable.
    Carroll CountyAttainment/Unclassifiable.
    Carter CountyAttainment/Unclassifiable.
    Cass CountyAttainment/Unclassifiable.
    Cedar CountyAttainment/Unclassifiable.
    Chariton CountyAttainment/Unclassifiable.
    Christian CountyAttainment/Unclassifiable.
    Clark CountyAttainment/Unclassifiable.
    Clay CountyAttainment/Unclassifiable.
    Clinton CountyAttainment/Unclassifiable.
    Cole CountyAttainment/Unclassifiable.
    Cooper CountyAttainment/Unclassifiable.
    Crawford CountyAttainment/Unclassifiable.
    Dade CountyAttainment/Unclassifiable.
    Dallas CountyAttainment/Unclassifiable.
    Daviess CountyAttainment/Unclassifiable.
    DeKalb CountyAttainment/Unclassifiable.
    Dent CountyAttainment/Unclassifiable.
    Douglas CountyAttainment/Unclassifiable.
    Dunklin CountyAttainment/Unclassifiable.
    Franklin County (part) (remainder)Attainment/Unclassifiable.
    Gasconade CountyAttainment/Unclassifiable.
    Gentry CountyAttainment/Unclassifiable.
    Greene CountyAttainment/Unclassifiable.
    Grundy CountyAttainment/Unclassifiable.
    Harrison CountyAttainment/Unclassifiable.
    Henry CountyAttainment/Unclassifiable.
    Hickory CountyAttainment/Unclassifiable.
    Holt CountyAttainment/Unclassifiable.
    Howard CountyAttainment/Unclassifiable.
    Howell CountyAttainment/Unclassifiable.
    Iron County4/30/2021Attainment/Unclassifiable.
    Jackson County (part) (remainder)Attainment/Unclassifiable.
    Jasper CountyAttainment/Unclassifiable.
    Jefferson County (part) (remainder)Attainment/Unclassifiable.
    Johnson CountyAttainment/Unclassifiable.
    Knox CountyAttainment/Unclassifiable.
    Laclede CountyAttainment/Unclassifiable.
    Lafayette CountyAttainment/Unclassifiable.
    Lawrence CountyAttainment/Unclassifiable.
    Lewis CountyAttainment/Unclassifiable.
    Lincoln CountyAttainment/Unclassifiable.
    Linn CountyAttainment/Unclassifiable.
    Livingston CountyAttainment/Unclassifiable.
    Macon CountyAttainment/Unclassifiable.
    Madison CountyAttainment/Unclassifiable.
    Maries CountyAttainment/Unclassifiable.
    Marion CountyAttainment/Unclassifiable.
    McDonald CountyAttainment/Unclassifiable.
    Mercer CountyAttainment/Unclassifiable.
    Miller CountyAttainment/Unclassifiable.
    Mississippi CountyAttainment/Unclassifiable.
    Moniteau CountyAttainment/Unclassifiable.
    Monroe CountyAttainment/Unclassifiable.
    Montgomery CountyAttainment/Unclassifiable.
    Morgan CountyAttainment/Unclassifiable.
    New Madrid County (remainder)4/30/2021Attainment/Unclassifiable.
    Newton CountyAttainment/Unclassifiable.
    Nodaway CountyAttainment/Unclassifiable.
    Oregon CountyAttainment/Unclassifiable.
    Osage CountyAttainment/Unclassifiable.
    Ozark CountyAttainment/Unclassifiable.
    Pemiscot CountyAttainment/Unclassifiable.
    Perry CountyAttainment/Unclassifiable.
    Pettis CountyAttainment/Unclassifiable.
    Phelps CountyAttainment/Unclassifiable.
    Pike CountyAttainment/Unclassifiable.
    Platte CountyAttainment/Unclassifiable.
    Polk CountyAttainment/Unclassifiable.
    Pulaski CountyAttainment/Unclassifiable.
    Putnam CountyAttainment/Unclassifiable.
    Ralls CountyAttainment/Unclassifiable.
    Randolph CountyAttainment/Unclassifiable.
    Ray CountyAttainment/Unclassifiable.
    Reynolds CountyAttainment/Unclassifiable.
    Ripley CountyAttainment/Unclassifiable.
    St. Charles County (part) (remainder)Attainment/Unclassifiable.
    St. Clair CountyAttainment/Unclassifiable.
    St. Francois CountyAttainment/Unclassifiable.
    Ste. Genevieve CountyAttainment/Unclassifiable.
    St. Louis CityAttainment/Unclassifiable.
    St. Louis CountyAttainment/Unclassifiable.
    Saline CountyAttainment/Unclassifiable.
    Schuyler CountyAttainment/Unclassifiable.
    Scotland CountyAttainment/Unclassifiable.
    Scott County9/12/16Attainment/Unclassifiable.
    Shannon CountyAttainment/Unclassifiable.
    Shelby CountyAttainment/Unclassifiable.
    Stoddard CountyAttainment/Unclassifiable.
    Stone CountyAttainment/Unclassifiable.
    Sullivan CountyAttainment/Unclassifiable.
    Taney CountyAttainment/Unclassifiable.
    Texas CountyAttainment/Unclassifiable.
    Vernon CountyAttainment/Unclassifiable.
    Warren CountyAttainment/Unclassifiable.
    Washington CountyAttainment/Unclassifiable.
    Wayne CountyAttainment/Unclassifiable.
    Webster CountyAttainment/Unclassifiable.
    Worth CountyAttainment/Unclassifiable.
    Wright CountyAttainment/Unclassifiable.

    Missouri—Carbon Monoxide

    Designated Area Designation Classification
    Date1 Type Date1 Type
    St. Louis Area:
    St. Louis CityAttainment
    St. Louis County (part):
    The area encompassed by the I–270 and the, Mississippi River.Attainment
    AQCR 137 Northern Missouri Intrastate:
    Pike CountyUnclassifiable/Attainment
    Ralls CountyUnclassifiable/Attainment
    AQCR 137 Northern Missouri Intrastate (Remainder of)Unclassifiable/Attainment
    Adair County
    Andrew County
    Atchison County
    Audrain County
    Boone County
    Caldwell County
    Callaway County
    Carroll County
    Chariton County
    Clark County
    Clinton County
    Cole County
    Cooper County
    Daviess County
    De Kalb County
    Gentry County
    Grundy County
    Harrison County
    Holt County
    Howard County
    Knox County
    Lewis County
    Lincoln County
    Linn County
    Livingston County
    Macon County
    Marion County
    Mercer County
    Moniteau County
    Monroe County
    Montgomery County
    Nodaway County
    Osage County
    Putnam County
    Randolph County
    Saline County
    Schuyler County
    Scotland County
    Shelby County
    Sullivan County
    Warren County
    Worth County
    Rest of StateUnclassifiable/Attainment
    Barry County
    Barton County
    Bates County
    Benton County
    Bollinger County
    Buchanan County
    Butler County
    Camden County
    Cape Girardeau County
    Carter County
    Cass County
    Cedar County
    Christina County
    Clay County
    Crawford County
    Dade County
    Dallas County
    Dent County
    Douglas County
    Dunklin County
    Franklin County
    Gasconade County
    Greene County
    Henry County
    Hickory County
    Howell County
    Iron County
    Jackson County
    Jasper County
    Jefferson County
    Johnson County
    Laclede County
    Lafayette County
    Lawrence County
    Madison County
    Maries County
    McDonald County
    Miller County
    Mississippi County
    Morgan County
    New Madrid County
    Newton County
    Oregon County
    Ozark County
    Pemiscot County
    Perry County
    Pettis County
    Phelps County
    Platte County
    Polk County
    Pulaski County
    Ray County
    Reynolds County
    Ripley County
    Scott County
    Shannon County
    St. Charles County
    St. Clair County
    St. Francis County
    St. Louis County (part) Remainder of County
    Ste. Geevieve County
    Stoddard County
    Stone County
    Taney County
    Texas County
    Vernon County
    Washington County
    Wayne County
    Webster County
    Wright County

    Missouri—Ozone (1-Hour Standard)2

    Designated area Designation Classification
    Date1 Type Date1 Type
    Kansas City Area:
    Clay County7/23/92Unclassifiable/Attainment
    Jackson County7/23/92Unclassifiable/Attainment
    Platte County7/23/92Unclassifiable/Attainment
    St. Louis Area:
    Franklin County5/12/03Attainment
    Jefferson County5/12/03Attainment
    St. Charles County5/12/03Attainment
    St. Louis5/12/03Attainment
    St. Louis County5/12/03Attainment
    AQCR 094 Metro Kansas City Interstate (Remainder of)
    Buchanan County
    Cass County
    Ray County
    AQCR 137 N. Missouri Intrastate (part)
    Pike CountyUnclassifiable/Attainment
    Ralls CountyUnclassifiable/Attainment
    AQCR 137 N. Missouri Intrastate (Remainder of)Unclassifiable/Attainment
    Adair County
    Andrew County
    Atchison County
    Audrain County
    Boone County
    Caldwell County
    Callaway County
    Carroll County
    Chariton County
    Clark County
    Clinton County
    Cole County
    Cooper County
    Daviess County
    DeKalb County
    Gentry County
    Grundy County
    Harrison County
    Holt County
    Howard County
    Knox County
    Lewis County
    Lincoln County
    Linn County
    Livingston County
    Macon County
    Marion County
    Mercer County
    Moniteau County
    Monroe County
    Montgomery County
    Nodaway County
    Osage County
    Putnam County
    Randolph County
    Saline County
    Schuyler County
    Scotland County
    Shelby County
    Sullivan County
    Warren County
    Worth County
    Rest of StateUnclassifiable/Attainment
    Barry County
    Barton County
    Bates County
    Benton County
    Bollinger County
    Butler County
    Camden County
    Cape Girardeau County
    Carter County
    Cedar County
    Christian County
    Crawford County
    Dade County
    Dallas County
    Dent County
    Douglas County
    Dunklin County
    Gasconade County
    Greene County
    Henry County
    Hickory County
    Howell County
    Iron County
    Jasper County
    Johnson County
    Laclede County
    Lafayette County
    Lawrence County
    Madison County
    Maries County
    McDonald County
    Miller County
    Mississippi County
    Morgan County
    New Madrid County
    Newton County
    Oregon County
    Ozark County
    Pemiscot County
    Perry County
    Pettis County
    Phelps County
    Polk County
    Pulaski County
    Reynolds County
    Ripley County
    Scott County
    Shannon County
    St. Clair County
    St. Francois County
    Ste. Genevieve County
    Stoddard County
    Stone County
    Taney County
    Texas County
    Vernon County
    Washington County
    Wayne County
    Webster County
    Wright County

    Missouri—1997 Annual PM2.5 NAAQS

    [Primary and Secondary]

    Designated area Designationa Classification
    Date1 Type Date2 Type
    St. Louis, MO–IL:
    Franklin County8/3/18Attainment
    Jefferson County8/3/18Attainment
    St. Charles County8/3/18Attainment
    St. Louis County8/3/18Attainment
    St. Louis City8/3/18Attainment
    Rest of State:
    Adair CountyUnclassifiable/Attainment.
    Andrew CountyUnclassifiable/Attainment.
    Atchison CountyUnclassifiable/Attainment.
    Audrain CountyUnclassifiable/Attainment.
    Barry CountyUnclassifiable/Attainment.
    Barton CountyUnclassifiable/Attainment.
    Bates CountyUnclassifiable/Attainment.
    Benton CountyUnclassifiable/Attainment.
    Bollinger CountyUnclassifiable/Attainment.
    Boone CountyUnclassifiable/Attainment.
    Buchanan CountyUnclassifiable/Attainment.
    Butler CountyUnclassifiable/Attainment.
    Caldwell CountyUnclassifiable/Attainment.
    Callaway CountyUnclassifiable/Attainment.
    Camden CountyUnclassifiable/Attainment.
    Cape Girardeau CountyUnclassifiable/Attainment.
    Carroll CountyUnclassifiable/Attainment.
    Carter CountyUnclassifiable/Attainment.
    Cass CountyUnclassifiable/Attainment.
    Cedar CountyUnclassifiable/Attainment.
    Chariton CountyUnclassifiable/Attainment.
    Christian CountyUnclassifiable/Attainment.
    Clark CountyUnclassifiable/Attainment.
    Clay CountyUnclassifiable/Attainment.
    Clinton CountyUnclassifiable/Attainment.
    Cole CountyUnclassifiable/Attainment.
    Cooper CountyUnclassifiable/Attainment.
    Crawford CountyUnclassifiable/Attainment.
    Dade CountyUnclassifiable/Attainment.
    Dallas CountyUnclassifiable/Attainment.
    Daviess CountyUnclassifiable/Attainment.
    DeKalb CountyUnclassifiable/Attainment.
    Dent CountyUnclassifiable/Attainment.
    Douglas CountyUnclassifiable/Attainment.
    Dunklin CountyUnclassifiable/Attainment.
    Gasconade CountyUnclassifiable/Attainment.
    Gentry CountyUnclassifiable/Attainment.
    Greene CountyUnclassifiable/Attainment.
    Grundy CountyUnclassifiable/Attainment.
    Harrison CountyUnclassifiable/Attainment.
    Henry CountyUnclassifiable/Attainment.
    Hickory CountyUnclassifiable/Attainment.
    Holt CountyUnclassifiable/Attainment.
    Howard CountyUnclassifiable/Attainment.
    Howell CountyUnclassifiable/Attainment.
    Iron CountyUnclassifiable/Attainment.
    Jackson CountyUnclassifiable/Attainment.
    Jasper CountyUnclassifiable/Attainment.
    Johnson CountyUnclassifiable/Attainment.
    Knox CountyUnclassifiable/Attainment.
    Laclede CountyUnclassifiable/Attainment.
    Lafayette CountyUnclassifiable/Attainment.
    Lawrence CountyUnclassifiable/Attainment.
    Lewis CountyUnclassifiable/Attainment.
    Lincoln CountyUnclassifiable/Attainment.
    Linn CountyUnclassifiable/Attainment.
    Livingston CountyUnclassifiable/Attainment.
    McDonald CountyUnclassifiable/Attainment.
    Macon CountyUnclassifiable/Attainment.
    Madison CountyUnclassifiable/Attainment.
    Maries CountyUnclassifiable/Attainment.
    Marion CountyUnclassifiable/Attainment.
    Mercer CountyUnclassifiable/Attainment.
    Miller CountyUnclassifiable/Attainment.
    Mississippi CountyUnclassifiable/Attainment.
    Moniteau CountyUnclassifiable/Attainment.
    Monroe CountyUnclassifiable/Attainment.
    Montgomery CountyUnclassifiable/Attainment.
    Morgan CountyUnclassifiable/Attainment.
    New Madrid CountyUnclassifiable/Attainment.
    Newton CountyUnclassifiable/Attainment.
    Oregon CountyUnclassifiable/Attainment.
    Osage CountyUnclassifiable/Attainment.
    Ozark CountyUnclassifiable/Attainment.
    Pemiscot CountyUnclassifiable/Attainment.
    Perry CountyUnclassifiable/Attainment.
    Pettis CountyUnclassifiable/Attainment.
    Phelps CountyUnclassifiable/Attainment.
    Pike CountyUnclassifiable/Attainment.
    Platte CountyUnclassifiable/Attainment.
    Polk CountyUnclassifiable/Attainment.
    Pulaski CountyUnclassifiable/Attainment.
    Putnam CountyUnclassifiable/Attainment.
    Ralls CountyUnclassifiable/Attainment.
    Randolph CountyUnclassifiable/Attainment.
    Ray CountyUnclassifiable/Attainment.
    Reynolds CountyUnclassifiable/Attainment.
    Ripley CountyUnclassifiable/Attainment.
    St. Clair CountyUnclassifiable/Attainment.
    St. Genevieve CountyUnclassifiable/Attainment.
    St. Francois CountyUnclassifiable/Attainment.
    Saline CountyUnclassifiable/Attainment.
    Schuyler CountyUnclassifiable/Attainment.
    Scotland CountyUnclassifiable/Attainment.
    Scott CountyUnclassifiable/Attainment.
    Shannon CountyUnclassifiable/Attainment.
    Shelby CountyUnclassifiable/Attainment.
    Stoddard CountyUnclassifiable/Attainment.
    Stone CountyUnclassifiable/Attainment.
    Sullivan CountyUnclassifiable/Attainment.
    Taney CountyUnclassifiable/Attainment.
    Texas CountyUnclassifiable/Attainment.
    Vernon CountyUnclassifiable/Attainment.
    Warren CountyUnclassifiable/Attainment.
    Washington CountyUnclassifiable/Attainment.
    Wayne CountyUnclassifiable/Attainment.
    Webster CountyUnclassifiable/Attainment.
    Worth CountyUnclassifiable/Attainment.
    Wright CountyUnclassifiable/Attainment.

    Missouri—2012 Annual PM2.5 NAAQS

    [Primary]

    Designated area1 Designation Classification
    Date2 Type Date2 Type
    St. Louis Area, MO-IL:
    Franklin County7/29/2019, 84 FR 36473Unclassifiable/Attainment
    Jefferson County7/29/2019, 84 FR 36473Unclassifiable/Attainmant
    St. Charles County7/29/2019, 84 FR 36473Unclassifiable/Attainmant
    St. Louis County7/29/2019, 84 FR 36473Unclassifiable/Attainmant
    St. Louis City7/29/2019, 84 FR 36473Unclassifiable/Attainmant
    Rest of State:
    Adair CountyUnclassifiable/Attainment
    Andrew CountyUnclassifiable/Attainment
    Atchison CountyUnclassifiable/Attainment
    Audrain CountyUnclassifiable/Attainment
    Barry CountyUnclassifiable/Attainment
    Barton CountyUnclassifiable/Attainment
    Bates CountyUnclassifiable/Attainment
    Benton CountyUnclassifiable/Attainment
    Bollinger CountyUnclassifiable/Attainment
    Boone CountyUnclassifiable/Attainment
    Buchanan CountyUnclassifiable/Attainment
    Butler CountyUnclassifiable/Attainment
    Caldwell CountyUnclassifiable/Attainment
    Callaway CountyUnclassifiable/Attainment
    Camden CountyUnclassifiable/Attainment
    Cape Girardeau CountyUnclassifiable/Attainment
    Carroll CountyUnclassifiable/Attainment
    Carter CountyUnclassifiable/Attainment
    Cass CountyUnclassifiable/Attainment
    Cedar CountyUnclassifiable/Attainment
    Chariton CountyUnclassifiable/Attainment
    Christian CountyUnclassifiable/Attainment
    Clark CountyUnclassifiable/Attainment
    Clay CountyUnclassifiable/Attainment
    Clinton CountyUnclassifiable/Attainment
    Cole CountyUnclassifiable/Attainment
    Cooper CountyUnclassifiable/Attainment
    Crawford CountyUnclassifiable/Attainment
    Dade CountyUnclassifiable/Attainment
    Dallas CountyUnclassifiable/Attainment
    Daviess CountyUnclassifiable/Attainment
    DeKalb CountyUnclassifiable/Attainment
    Dent CountyUnclassifiable/Attainment
    Douglas CountyUnclassifiable/Attainment
    Dunklin CountyUnclassifiable/Attainment
    Gasconade CountyUnclassifiable/Attainment
    Gentry CountyUnclassifiable/Attainment
    Greene CountyUnclassifiable/Attainment
    Grundy CountyUnclassifiable/Attainment
    Harrison CountyUnclassifiable/Attainment
    Henry CountyUnclassifiable/Attainment
    Hickory CountyUnclassifiable/Attainment
    Holt CountyUnclassifiable/Attainment
    Howard CountyUnclassifiable/Attainment
    Howell CountyUnclassifiable/Attainment
    Iron CountyUnclassifiable/Attainment
    Jackson CountyUnclassifiable/Attainment
    Jasper CountyUnclassifiable/Attainment
    Johnson CountyUnclassifiable/Attainment
    Knox CountyUnclassifiable/Attainment
    Laclede CountyUnclassifiable/Attainment
    Lafayette CountyUnclassifiable/Attainment
    Lawrence CountyUnclassifiable/Attainment
    Lewis CountyUnclassifiable/Attainment
    Lincoln CountyUnclassifiable/Attainment
    Linn CountyUnclassifiable/Attainment
    Livingston CountyUnclassifiable/Attainment
    McDonald CountyUnclassifiable/Attainment
    Macon CountyUnclassifiable/Attainment
    Madison CountyUnclassifiable/Attainment
    Maries CountyUnclassifiable/Attainment
    Marion CountyUnclassifiable/Attainment
    Mercer CountyUnclassifiable/Attainment
    Miller CountyUnclassifiable/Attainment
    Mississippi CountyUnclassifiable/Attainment
    Moniteau CountyUnclassifiable/Attainment
    Monroe CountyUnclassifiable/Attainment
    Montgomery CountyUnclassifiable/Attainment
    Morgan CountyUnclassifiable/Attainment
    New Madrid CountyUnclassifiable/Attainment
    Newton CountyUnclassifiable/Attainment
    Nodaway CountyUnclassifiable/Attainment
    Oregon CountyUnclassifiable/Attainment
    Osage CountyUnclassifiable/Attainment
    Ozark CountyUnclassifiable/Attainment
    Pemiscot CountyUnclassifiable/Attainment
    Perry CountyUnclassifiable/Attainment
    Pettis CountyUnclassifiable/Attainment
    Phelps CountyUnclassifiable/Attainment
    Pike CountyUnclassifiable/Attainment
    Platte CountyUnclassifiable/Attainment
    Polk CountyUnclassifiable/Attainment
    Pulaski CountyUnclassifiable/Attainment
    Putnam CountyUnclassifiable/Attainment
    Ralls CountyUnclassifiable/Attainment
    Randolph CountyUnclassifiable/Attainment
    Ray CountyUnclassifiable/Attainment
    Reynolds CountyUnclassifiable/Attainment
    Ripley CountyUnclassifiable/Attainment
    St Clair CountyUnclassifiable/Attainment
    St Genevieve CountyUnclassifiable/Attainment
    St Francois CountyUnclassifiable/Attainment
    Saline CountyUnclassifiable/Attainment
    Schuyler CountyUnclassifiable/Attainment
    Scotland CountyUnclassifiable/Attainment
    Scott CountyUnclassifiable/Attainment
    Shannon CountyUnclassifiable/Attainment
    Shelby CountyUnclassifiable/Attainment
    Stoddard CountyUnclassifiable/Attainment
    Stone CountyUnclassifiable/Attainment
    Sullivan CountyUnclassifiable/Attainment
    Taney CountyUnclassifiable/Attainment
    Texas CountyUnclassifiable/Attainment
    Vernon CountyUnclassifiable/Attainment
    Warren CountyUnclassifiable/Attainment
    Washington CountyUnclassifiable/Attainment
    Wayne CountyUnclassifiable/Attainment
    Webster CountyUnclassifiable/Attainment
    Worth CountyUnclassifiable/Attainment
    Wright CountyUnclassifiable/Attainment

    Missouri—1997 24-Hour PM2.5 NAAQS

    [Primary and Secondary]

    Designated area Designationa Classification
    Date1 Type Date Type
    Statewide:
    Adair CountyUnclassifiable/Attainment.
    Andrew CountyUnclassifiable/Attainment.
    Atchison CountyUnclassifiable/Attainment.
    Audrain CountyUnclassifiable/Attainment.
    Barry CountyUnclassifiable/Attainment.
    Barton CountyUnclassifiable/Attainment.
    Bates CountyUnclassifiable/Attainment.
    Benton CountyUnclassifiable/Attainment.
    Bollinger CountyUnclassifiable/Attainment.
    Boone CountyUnclassifiable/Attainment.
    Buchanan CountyUnclassifiable/Attainment.
    Butler CountyUnclassifiable/Attainment.
    Caldwell CountyUnclassifiable/Attainment.
    Callaway CountyUnclassifiable/Attainment.
    Camden CountyUnclassifiable/Attainment.
    Cape Girardeau CountyUnclassifiable/Attainment.
    Carroll CountyUnclassifiable/Attainment.
    Carter CountyUnclassifiable/Attainment.
    Cass CountyUnclassifiable/Attainment.
    Cedar CountyUnclassifiable/Attainment.
    Chariton CountyUnclassifiable/Attainment.
    Christian CountyUnclassifiable/Attainment.
    Clark CountyUnclassifiable/Attainment.
    Clay CountyUnclassifiable/Attainment.
    Clinton CountyUnclassifiable/Attainment.
    Cole CountyUnclassifiable/Attainment.
    Cooper CountyUnclassifiable/Attainment.
    Crawford CountyUnclassifiable/Attainment.
    Dade CountyUnclassifiable/Attainment.
    Dallas CountyUnclassifiable/Attainment.
    Daviess CountyUnclassifiable/Attainment.
    DeKalb CountyUnclassifiable/Attainment.
    Dent CountyUnclassifiable/Attainment.
    Douglas CountyUnclassifiable/Attainment.
    Dunklin CountyUnclassifiable/Attainment.
    Franklin CountyUnclassifiable/Attainment.
    Gasconade CountyUnclassifiable/Attainment.
    Gentry CountyUnclassifiable/Attainment.
    Greene CountyUnclassifiable/Attainment.
    Grundy CountyUnclassifiable/Attainment.
    Harrison CountyUnclassifiable/Attainment.
    Henry CountyUnclassifiable/Attainment.
    Hickory CountyUnclassifiable/Attainment.
    Holt CountyUnclassifiable/Attainment.
    Howard CountyUnclassifiable/Attainment.
    Howell CountyUnclassifiable/Attainment.
    Iron CountyUnclassifiable/Attainment.
    Jackson CountyUnclassifiable/Attainment.
    Jasper CountyUnclassifiable/Attainment.
    Jefferson CountyUnclassifiable/Attainment.
    Johnson CountyUnclassifiable/Attainment.
    Knox CountyUnclassifiable/Attainment.
    Laclede CountyUnclassifiable/Attainment.
    Lafayette CountyUnclassifiable/Attainment.
    Lawrence CountyUnclassifiable/Attainment.
    Lewis CountyUnclassifiable/Attainment.
    Lincoln CountyUnclassifiable/Attainment.
    Linn CountyUnclassifiable/Attainment.
    Livingston CountyUnclassifiable/Attainment.
    McDonald CountyUnclassifiable/Attainment.
    Macon CountyUnclassifiable/Attainment.
    Madison CountyUnclassifiable/Attainment.
    Maries CountyUnclassifiable/Attainment.
    Marion CountyUnclassifiable/Attainment.
    Mercer CountyUnclassifiable/Attainment.
    Miller CountyUnclassifiable/Attainment.
    Mississippi CountyUnclassifiable/Attainment.
    Moniteau CountyUnclassifiable/Attainment.
    Monroe CountyUnclassifiable/Attainment.
    Montgomery CountyUnclassifiable/Attainment.
    Morgan CountyUnclassifiable/Attainment.
    New Madrid CountyUnclassifiable/Attainment.
    Newton CountyUnclassifiable/Attainment.
    Nodaway CountyUnclassifiable/Attainment.
    Oregon CountyUnclassifiable/Attainment.
    Osage CountyUnclassifiable/Attainment.
    Ozark CountyUnclassifiable/Attainment.
    Pemiscot CountyUnclassifiable/Attainment.
    Perry CountyUnclassifiable/Attainment.
    Pettis CountyUnclassifiable/Attainment.
    Phelps CountyUnclassifiable/Attainment.
    Pike CountyUnclassifiable/Attainment.
    Platte CountyUnclassifiable/Attainment.
    Polk CountyUnclassifiable/Attainment.
    Pulaski CountyUnclassifiable/Attainment.
    Putnam CountyUnclassifiable/Attainment.
    Ralls CountyUnclassifiable/Attainment.
    Randolph CountyUnclassifiable/Attainment.
    Ray CountyUnclassifiable/Attainment.
    Reynolds CountyUnclassifiable/Attainment.
    Ripley CountyUnclassifiable/Attainment.
    St Charles CountyUnclassifiable/Attainment.
    St Clair CountyUnclassifiable/Attainment.
    St Genevieve CountyUnclassifiable/Attainment.
    St Francois CountyUnclassifiable/Attainment.
    St Louis CityUnclassifiable/Attainment.
    St Louis CountyUnclassifiable/Attainment.
    Saline CountyUnclassifiable/Attainment.
    Schuyler CountyUnclassifiable/Attainment.
    Scotland CountyUnclassifiable/Attainment.
    Scott CountyUnclassifiable/Attainment.
    Shannon CountyUnclassifiable/Attainment.
    Shelby CountyUnclassifiable/Attainment.
    Stoddard CountyUnclassifiable/Attainment.
    Stone CountyUnclassifiable/Attainment.
    Sullivan CountyUnclassifiable/Attainment.
    Taney CountyUnclassifiable/Attainment.
    Texas CountyUnclassifiable/Attainment.
    Vernon CountyUnclassifiable/Attainment.
    Warren CountyUnclassifiable/Attainment.
    Washington CountyUnclassifiable/Attainment.
    Wayne CountyUnclassifiable/Attainment.
    Webster CountyUnclassifiable/Attainment.
    Worth CountyUnclassifiable/Attainment.
    Wright CountyUnclassifiable/Attainment.

    Missouri—2006 24-Hour PM2.5 NAAQS

    [Primary and Secondary]

    Designated area Designationa Classification
    Date1 Type Date Type
    Statewide:
    Adair CountyUnclassifiable/Attainment.
    Andrew CountyUnclassifiable/Attainment.
    Atchison CountyUnclassifiable/Attainment.
    Audrain CountyUnclassifiable/Attainment.
    Barry CountyUnclassifiable/Attainment.
    Barton CountyUnclassifiable/Attainment.
    Bates CountyUnclassifiable/Attainment.
    Benton CountyUnclassifiable/Attainment.
    Bollinger CountyUnclassifiable/Attainment.
    Boone CountyUnclassifiable/Attainment.
    Buchanan CountyUnclassifiable/Attainment.
    Butler CountyUnclassifiable/Attainment.
    Caldwell CountyUnclassifiable/Attainment.
    Callaway CountyUnclassifiable/Attainment.
    Camden CountyUnclassifiable/Attainment.
    Cape Girardeau CountyUnclassifiable/Attainment.
    Carroll CountyUnclassifiable/Attainment.
    Carter CountyUnclassifiable/Attainment.
    Cass CountyUnclassifiable/Attainment.
    Cedar CountyUnclassifiable/Attainment.
    Chariton CountyUnclassifiable/Attainment.
    Christian CountyUnclassifiable/Attainment.
    Clark CountyUnclassifiable/Attainment.
    Clay CountyUnclassifiable/Attainment.
    Clinton CountyUnclassifiable/Attainment.
    Cole CountyUnclassifiable/Attainment.
    Cooper CountyUnclassifiable/Attainment.
    Crawford CountyUnclassifiable/Attainment.
    Dade CountyUnclassifiable/Attainment.
    Dallas CountyUnclassifiable/Attainment.
    Daviess CountyUnclassifiable/Attainment.
    DeKalb CountyUnclassifiable/Attainment.
    Dent CountyUnclassifiable/Attainment.
    Douglas CountyUnclassifiable/Attainment.
    Dunklin CountyUnclassifiable/Attainment.
    Franklin CountyUnclassifiable/Attainment.
    Gasconade CountyUnclassifiable/Attainment.
    Gentry CountyUnclassifiable/Attainment.
    Greene CountyUnclassifiable/Attainment.
    Grundy CountyUnclassifiable/Attainment.
    Harrison CountyUnclassifiable/Attainment.
    Henry CountyUnclassifiable/Attainment.
    Hickory CountyUnclassifiable/Attainment.
    Holt CountyUnclassifiable/Attainment.
    Howard CountyUnclassifiable/Attainment.
    Howell CountyUnclassifiable/Attainment.
    Iron CountyUnclassifiable/Attainment.
    Jackson CountyUnclassifiable/Attainment.
    Jasper CountyUnclassifiable/Attainment.
    Jefferson CountyUnclassifiable/Attainment.
    Johnson CountyUnclassifiable/Attainment.
    Knox CountyUnclassifiable/Attainment.
    Laclede CountyUnclassifiable/Attainment.
    Lafayette CountyUnclassifiable/Attainment.
    Lawrence CountyUnclassifiable/Attainment.
    Lewis CountyUnclassifiable/Attainment.
    Lincoln CountyUnclassifiable/Attainment.
    Linn CountyUnclassifiable/Attainment.
    Livingston CountyUnclassifiable/Attainment.
    McDonald CountyUnclassifiable/Attainment.
    Macon CountyUnclassifiable/Attainment.
    Madison CountyUnclassifiable/Attainment.
    Maries CountyUnclassifiable/Attainment.
    Marion CountyUnclassifiable/Attainment.
    Mercer CountyUnclassifiable/Attainment.
    Miller CountyUnclassifiable/Attainment.
    Mississippi CountyUnclassifiable/Attainment.
    Moniteau CountyUnclassifiable/Attainment.
    Monroe CountyUnclassifiable/Attainment.
    Montgomery CountyUnclassifiable/Attainment.
    Morgan CountyUnclassifiable/Attainment.
    New Madrid CountyUnclassifiable/Attainment.
    Newton CountyUnclassifiable/Attainment.
    Nodaway CountyUnclassifiable/Attainment.
    Oregon CountyUnclassifiable/Attainment.
    Osage CountyUnclassifiable/Attainment.
    Ozark CountyUnclassifiable/Attainment.
    Pemiscot CountyUnclassifiable/Attainment.
    Perry CountyUnclassifiable/Attainment.
    Pettis CountyUnclassifiable/Attainment.
    Phelps CountyUnclassifiable/Attainment.
    Pike CountyUnclassifiable/Attainment.
    Platte CountyUnclassifiable/Attainment.
    Polk CountyUnclassifiable/Attainment.
    Pulaski CountyUnclassifiable/Attainment.
    Putnam CountyUnclassifiable/Attainment.
    Ralls CountyUnclassifiable/Attainment.
    Randolph CountyUnclassifiable/Attainment.
    Ray CountyUnclassifiable/Attainment.
    Reynolds CountyUnclassifiable/Attainment.
    Ripley CountyUnclassifiable/Attainment.
    St Charles CountyUnclassifiable/Attainment.
    St Clair CountyUnclassifiable/Attainment.
    St Genevieve CountyUnclassifiable/Attainment.
    St Francois CountyUnclassifiable/Attainment.
    St Louis CityUnclassifiable/Attainment.
    St Louis CountyUnclassifiable/Attainment.
    Saline CountyUnclassifiable/Attainment.
    Schuyler CountyUnclassifiable/Attainment.
    Scotland CountyUnclassifiable/Attainment.
    Scott CountyUnclassifiable/Attainment.
    Shannon CountyUnclassifiable/Attainment.
    Shelby CountyUnclassifiable/Attainment.
    Stoddard CountyUnclassifiable/Attainment.
    Stone CountyUnclassifiable/Attainment.
    Sullivan CountyUnclassifiable/Attainment.
    Taney CountyUnclassifiable/Attainment.
    Texas CountyUnclassifiable/Attainment.
    Vernon CountyUnclassifiable/Attainment.
    Warren CountyUnclassifiable/Attainment.
    Washington CountyUnclassifiable/Attainment.
    Wayne CountyUnclassifiable/Attainment.
    Webster CountyUnclassifiable/Attainment.
    Worth CountyUnclassifiable/Attainment.
    Wright CountyUnclassifiable/Attainment.

    Missouri—NO2 (1971 Annual Standard)

    Designated area Does not meet primary standards Cannot be classified or better than national standards
    Northern AQCR (137):
    Pike CountyX
    Ralls CountyX
    Remainder of AQCRX
    Remainder of StateX

    Missouri—NO2 (2010 1-Hour Standard)

    Designated area Designationa
    Date1 Type
    Adair CountyUnclassifiable/Attainment.
    Andrew CountyUnclassifiable/Attainment.
    Atchison CountyUnclassifiable/Attainment.
    Audrain CountyUnclassifiable/Attainment.
    Barry CountyUnclassifiable/Attainment.
    Barton CountyUnclassifiable/Attainment.
    Bates CountyUnclassifiable/Attainment.
    Benton CountyUnclassifiable/Attainment.
    Bollinger CountyUnclassifiable/Attainment.
    Boone CountyUnclassifiable/Attainment.
    Buchanan CountyUnclassifiable/Attainment.
    Butler CountyUnclassifiable/Attainment.
    Caldwell CountyUnclassifiable/Attainment.
    Callaway CountyUnclassifiable/Attainment.
    Camden CountyUnclassifiable/Attainment.
    Cape Girardeau CountyUnclassifiable/Attainment.
    Carroll CountyUnclassifiable/Attainment.
    Carter CountyUnclassifiable/Attainment.
    Cass CountyUnclassifiable/Attainment.
    Cedar CountyUnclassifiable/Attainment.
    Chariton CountyUnclassifiable/Attainment.
    Christian CountyUnclassifiable/Attainment.
    Clark CountyUnclassifiable/Attainment.
    Clay CountyUnclassifiable/Attainment.
    Clinton CountyUnclassifiable/Attainment.
    Cole CountyUnclassifiable/Attainment.
    Cooper CountyUnclassifiable/Attainment.
    Crawford CountyUnclassifiable/Attainment.
    Dade CountyUnclassifiable/Attainment.
    Dallas CountyUnclassifiable/Attainment.
    Daviess CountyUnclassifiable/Attainment.
    DeKalb CountyUnclassifiable/Attainment.
    Dent CountyUnclassifiable/Attainment.
    Douglas CountyUnclassifiable/Attainment.
    Dunklin CountyUnclassifiable/Attainment.
    Franklin CountyUnclassifiable/Attainment.
    Gasconade CountyUnclassifiable/Attainment.
    Gentry CountyUnclassifiable/Attainment.
    Greene CountyUnclassifiable/Attainment.
    Grundy CountyUnclassifiable/Attainment.
    Harrison CountyUnclassifiable/Attainment.
    Henry CountyUnclassifiable/Attainment.
    Hickory CountyUnclassifiable/Attainment.
    Holt CountyUnclassifiable/Attainment.
    Howard CountyUnclassifiable/Attainment.
    Howell CountyUnclassifiable/Attainment.
    Iron CountyUnclassifiable/Attainment.
    Jackson CountyUnclassifiable/Attainment.
    Jasper CountyUnclassifiable/Attainment.
    Jefferson CountyUnclassifiable/Attainment.
    Johnson CountyUnclassifiable/Attainment.
    Knox CountyUnclassifiable/Attainment.
    Laclede CountyUnclassifiable/Attainment.
    Lafayette CountyUnclassifiable/Attainment.
    Lawrence CountyUnclassifiable/Attainment.
    Lewis CountyUnclassifiable/Attainment.
    Lincoln CountyUnclassifiable/Attainment.
    Linn CountyUnclassifiable/Attainment.
    Livingston CountyUnclassifiable/Attainment.
    McDonald CountyUnclassifiable/Attainment.
    Macon CountyUnclassifiable/Attainment.
    Madison CountyUnclassifiable/Attainment.
    Maries CountyUnclassifiable/Attainment.
    Marion CountyUnclassifiable/Attainment.
    Mercer CountyUnclassifiable/Attainment.
    Miller CountyUnclassifiable/Attainment.
    Mississippi CountyUnclassifiable/Attainment.
    Moniteau CountyUnclassifiable/Attainment.
    Monroe CountyUnclassifiable/Attainment.
    Montgomery CountyUnclassifiable/Attainment.
    Morgan CountyUnclassifiable/Attainment.
    New Madrid CountyUnclassifiable/Attainment.
    Newton CountyUnclassifiable/Attainment.
    Nodaway CountyUnclassifiable/Attainment.
    Oregon CountyUnclassifiable/Attainment.
    Osage CountyUnclassifiable/Attainment.
    Ozark CountyUnclassifiable/Attainment.
    Pemiscot CountyUnclassifiable/Attainment.
    Perry CountyUnclassifiable/Attainment.
    Pettis CountyUnclassifiable/Attainment.
    Phelps CountyUnclassifiable/Attainment.
    Pike CountyUnclassifiable/Attainment.
    Platte CountyUnclassifiable/Attainment.
    Polk CountyUnclassifiable/Attainment.
    Pulaski CountyUnclassifiable/Attainment.
    Putnam CountyUnclassifiable/Attainment.
    Ralls CountyUnclassifiable/Attainment.
    Randolph CountyUnclassifiable/Attainment.
    Ray CountyUnclassifiable/Attainment.
    Reynolds CountyUnclassifiable/Attainment.
    Ripley CountyUnclassifiable/Attainment.
    St. Charles CountyUnclassifiable/Attainment.
    St. Clair CountyUnclassifiable/Attainment.
    St. Genevieve CountyUnclassifiable/Attainment.
    St. Francois CountyUnclassifiable/Attainment.
    St. Louis CountyUnclassifiable/Attainment.
    St. Louis CityUnclassifiable/Attainment.
    Saline CountyUnclassifiable/Attainment.
    Schuyler CountyUnclassifiable/Attainment.
    Scotland CountyUnclassifiable/Attainment.
    Scott CountyUnclassifiable/Attainment.
    Shannon CountyUnclassifiable/Attainment.
    Shelby CountyUnclassifiable/Attainment.
    Stoddard CountyUnclassifiable/Attainment.
    Stone CountyUnclassifiable/Attainment.
    Sullivan CountyUnclassifiable/Attainment.
    Taney CountyUnclassifiable/Attainment.
    Texas CountyUnclassifiable/Attainment.
    Vernon CountyUnclassifiable/Attainment.
    Warren CountyUnclassifiable/Attainment.
    Washington CountyUnclassifiable/Attainment.
    Wayne CountyUnclassifiable/Attainment.
    Webster CountyUnclassifiable/Attainment.
    Worth CountyUnclassifiable/Attainment.
    Wright CountyUnclassifiable/Attainment.

    Missouri—1997 8-Hour Ozone NAAQS

    [Primary and Secondary]

    Designated area Designationa Category/classification
    Date1 Type Date1 Type
    Kansas City, MO-KS:
    Cass County5/3/05Attainment.
    Clay County5/3/05Attainment.
    Jackson County5/3/05Attainment.
    Platte County5/3/05Attainment.
    St. Louis, MO–IL
    Franklin County2/20/15Attainment
    Jefferson County2/20/15Attainment
    St. Charles County2/20/15Attainment
    St. Louis City2/20/15Attainment
    St. Louis County2/20/15Attainment
    AQCR 094 Metro Kansas City InterstateUnclassifiable/Attainment.
    Buchanan County
    Ray County
    AQCR 137 N. Missouri Intrastate (part)
    Pike CountyUnclassifiable/Attainment.
    Ralls CountyUnclassifiable/Attainment.
    AQCR 137 N. Missouri Intrastate (remainder of)Unclassifiable/Attainment.
    Adair County
    Andrew County
    Atchison County
    Audrain County
    Boone County
    Caldwell County
    Callaway County
    Carroll County
    Chariton County
    Clark County
    Clinton County
    Cole County
    Cooper County
    Daviess County
    DeKalb County
    Gentry County
    Grundy County
    Harrison County
    Holt County
    Howard County
    Knox County
    Lewis County
    Lincoln County
    Linn County
    Livingston County
    Macon County
    Marion County
    Mercer County
    Moniteau County
    Monroe County
    Montgomery County
    Nodaway County
    Osage County
    Putnam County
    Randolph County
    Saline County
    Schuyler County
    Scotland County
    Shelby County
    Sullivan County
    Warren County
    Worth County
    Rest of State:Unclassifiable/Attainment
    Barry County
    Barton County
    Bates County
    Benton County
    Bollinger County
    Butler County
    Camden County
    Cape Girardeau County
    Carter County
    Cedar County
    Christian County
    Crawford County
    Dade County
    Dallas County
    Dent County
    Douglas County
    Dunklin County
    Gasconade County
    Greene County
    Henry County
    Hickory County
    Howell County
    Iron County
    Jasper County
    Johnson County
    Laclede County
    Lafayette County
    Lawrence County
    Madison County
    Maries County
    McDonald County
    Miller County
    Mississippi County
    Morgan County
    New Madrid County
    Newton County
    Oregon County
    Ozark County
    Pemiscot County
    Perry County
    Pettis County
    Phelps County
    Polk County
    Pulaski County
    Reynolds County
    Ripley County
    St. Clair County
    St. Francois County
    Ste. Genevieve County
    Scott County
    Shannon County
    Stoddard County
    Stone County
    Taney County
    Texas County
    Vernon County
    Washington County
    Wayne County
    Webster County
    Wright County

    Missouri—2008 8-Hour Ozone NAAQS

    [Primary and Secondary]

    Designated area Designation Classification
    Date1 Type Date1 Type
    St. Louis-St. Charles-Farmington, MO-IL2:
    Franklin County9/20/2018Attainment
    Jefferson County9/20/2018Attainment
    St. Charles County9/20/2018Attainment
    St. Louis County9/20/2018Attainment
    St. Louis City9/20/2018Attainment
    Rest of State:3 Unclassifiable/Attainment
    Adair County
    Andrew County
    Atchison County
    Audrain County
    Barry County
    Barton County
    Bates County
    Benton County
    Bollinger County
    Boone County
    Buchanan County
    Butler County
    Caldwell County
    Callaway County
    Camden County
    Cape Girardeau County
    Carter County
    Cass County
    Cedar County
    Chariton County
    Christian County
    Clark County
    Clay County
    Clinton County
    Cole County
    Cooper County
    Crawford County
    Dade County
    Dallas County
    Daviess County
    DeKalb County
    Dent County
    Douglas County
    Dunklin County
    Gasconade County
    Gentry County
    Greene County
    Grundy County
    Harrison County
    Henry County
    Hickory County
    Holt County
    Howard County
    Howell County
    Iron County
    Jackson County
    Jasper County
    Johnson County
    Knox County
    Laclede County
    Lafayette County
    Lawrence County
    Lewis County
    Lincoln County
    Linn County
    Livingston County
    McDonald County
    Macon County
    Madison County
    Maries County
    Marion County
    Mercer County
    Miller County
    Mississippi County
    Moniteau County
    Monroe County
    Montgomery County
    Morgan County
    New Madrid County
    Newton County
    Nodaway County
    Oregon County
    Osage County
    Ozark County
    Pemiscot County
    Perry County
    Pettis County
    Phelps County
    Pike County
    Platte County
    Polk County
    Pulaski County
    Putnam County
    Ralls County
    Randolph County
    Ray County
    Reynolds County
    Ripley County
    St. Clair County
    St. Genevieve County
    St. Francois County
    Saline County
    Schuyler County
    Scotland County
    Scott County
    Shannon County
    Shelby County
    Stoddard County
    Stone County
    Sullivan County
    Taney County
    Texas County
    Vernon County
    Warren County
    Washington County
    Wayne County
    Webster County
    Worth County
    Wright County

    Missouri—2015 8-Hour Ozone NAAQS

    [Primary and Secondary]

    Designated area1 Designation Classification
    Date2 Type Date2 Type
    St. Louis, MO-IL:NonattainmentNovember 7, 202211/7/22Moderate.
    Franklin County (part).
    Boles Township:
    Jefferson CountyJuly 14, 20213
    St. Charles County.
    St. Louis County.
    City of St. Louis.
    Adair County1/16/18Attainment/Unclassifiable
    Andrew County1/16/18Attainment/Unclassifiable
    Atchison County1/16/18Attainment/Unclassifiable
    Audrain County1/16/18Attainment/Unclassifiable
    Barry County1/16/18Attainment/Unclassifiable
    Barton County1/16/18Attainment/Unclassifiable
    Bates County1/16/18Attainment/Unclassifiable
    Benton County1/16/18Attainment/Unclassifiable
    Bollinger County1/16/18Attainment/Unclassifiable
    Boone County1/16/18Attainment/Unclassifiable
    Buchanan County1/16/18Attainment/Unclassifiable
    Butler County1/16/18Attainment/Unclassifiable
    Caldwell County1/16/18Attainment/Unclassifiable
    Callaway County1/16/18Attainment/Unclassifiable
    Camden County1/16/18Attainment/Unclassifiable
    Cape Girardeau County1/16/18Attainment/Unclassifiable
    Carroll County1/16/18Attainment/Unclassifiable
    Carter County1/16/18Attainment/Unclassifiable
    Cass County1/16/18Attainment/Unclassifiable
    Cedar County1/16/18Attainment/Unclassifiable
    Chariton County1/16/18Attainment/Unclassifiable
    Christian County1/16/18Attainment/Unclassifiable
    Clark County1/16/18Attainment/Unclassifiable
    Clay County1/16/18Attainment/Unclassifiable
    Clinton County1/16/18Attainment/Unclassifiable
    Cole County1/16/18Attainment/Unclassifiable
    Cooper County1/16/18Attainment/Unclassifiable
    Crawford County1/16/18Attainment/Unclassifiable
    Dade County1/16/18Attainment/Unclassifiable
    Dallas County1/16/18Attainment/Unclassifiable
    Daviess County1/16/18Attainment/Unclassifiable
    DeKalb County1/16/18Attainment/Unclassifiable
    Dent County1/16/18Attainment/Unclassifiable
    Douglas County1/16/18Attainment/Unclassifiable
    Dunklin County1/16/18Attainment/Unclassifiable
    Franklin County (part) remainderAttainment/Unclassifiable
    Gasconade County1/16/18Attainment/Unclassifiable
    Gentry County1/16/18Attainment/Unclassifiable
    Greene County1/16/18Attainment/Unclassifiable
    Grundy County1/16/18Attainment/Unclassifiable
    Harrison County1/16/18Attainment/Unclassifiable
    Henry County1/16/18Attainment/Unclassifiable
    Hickory County1/16/18Attainment/Unclassifiable
    Holt County1/16/18Attainment/Unclassifiable
    Howard County1/16/18Attainment/Unclassifiable
    Howell County1/16/18Attainment/Unclassifiable
    Iron County1/16/18Attainment/Unclassifiable
    Jackson County1/16/18Attainment/Unclassifiable
    Jasper County1/16/18Attainment/Unclassifiable
    Johnson County1/16/18Attainment/Unclassifiable
    Knox County1/16/18Attainment/Unclassifiable
    Laclede County1/16/18Attainment/Unclassifiable
    Lafayette County1/16/18Attainment/Unclassifiable
    Lawrence County1/16/18Attainment/Unclassifiable
    Lewis County1/16/18Attainment/Unclassifiable
    Lincoln CountyAttainment/Unclassifiable
    Linn County1/16/18Attainment/Unclassifiable
    Livingston County1/16/18Attainment/Unclassifiable
    McDonald County1/16/18Attainment/Unclassifiable
    Macon County1/16/18Attainment/Unclassifiable
    Madison County1/16/18Attainment/Unclassifiable
    Maries County1/16/18Attainment/Unclassifiable
    Marion County1/16/18Attainment/Unclassifiable
    Mercer County1/16/18Attainment/Unclassifiable
    Miller County1/16/18Attainment/Unclassifiable
    Mississippi County1/16/18Attainment/Unclassifiable
    Moniteau County1/16/18Attainment/Unclassifiable
    Monroe County1/16/18Attainment/Unclassifiable
    Montgomery County1/16/18Attainment/Unclassifiable
    Morgan County1/16/18Attainment/Unclassifiable
    New Madrid County1/16/18Attainment/Unclassifiable
    Newton County1/16/18Attainment/Unclassifiable
    Nodaway County1/16/18Attainment/Unclassifiable
    Oregon County1/16/18Attainment/Unclassifiable
    Osage County1/16/18Attainment/Unclassifiable
    Ozark County1/16/18Attainment/Unclassifiable
    Pemiscot County1/16/18Attainment/Unclassifiable
    Perry County1/16/18Attainment/Unclassifiable
    Pettis County1/16/18Attainment/Unclassifiable
    Phelps County1/16/18Attainment/Unclassifiable
    Pike County1/16/18Attainment/Unclassifiable
    Platte County1/16/18Attainment/Unclassifiable
    Polk County1/16/18Attainment/Unclassifiable
    Pulaski County1/16/18Attainment/Unclassifiable
    Putnam County1/16/18Attainment/Unclassifiable
    Ralls County1/16/18Attainment/Unclassifiable
    Randolph County1/16/18Attainment/Unclassifiable
    Ray County1/16/18Attainment/Unclassifiable
    Reynolds County1/16/18Attainment/Unclassifiable
    Ripley County1/16/18Attainment/Unclassifiable
    St. Clair County1/16/18Attainment/Unclassifiable
    St. Francois CountyAttainment/Unclassifiable
    Ste. Genevieve County1/16/18Attainment/Unclassifiable
    Saline County1/16/18Attainment/Unclassifiable
    Schuyler County1/16/18Attainment/Unclassifiable
    Scotland County1/16/18Attainment/Unclassifiable
    Scott County1/16/18Attainment/Unclassifiable
    Shannon County1/16/18Attainment/Unclassifiable
    Shelby County1/16/18Attainment/Unclassifiable
    Stoddard County1/16/18Attainment/Unclassifiable
    Stone County1/16/18Attainment/Unclassifiable
    Sullivan County1/16/18Attainment/Unclassifiable
    Taney County1/16/18Attainment/Unclassifiable
    Texas County1/16/18Attainment/Unclassifiable
    Vernon County1/16/18Attainment/Unclassifiable
    Warren CountyAttainment/Unclassifiable
    Washington County1/16/18Attainment/Unclassifiable
    Wayne County1/16/18Attainment/Unclassifiable
    Webster County1/16/18Attainment/Unclassifiable
    Worth County1/16/18Attainment/Unclassifiable
    Wright County1/16/18Attainment/Unclassifiable

    Missouri—1978 Lead NAAQS

    Designated area Designation Classification
    Date Type Date Type
    Iron County (part)
    Within boundaries of Dent Township10/18/00Attainment
    Iron County (part)
    Within boundaries of Liberty and Arcadia Townships10/29/04Attainment
    Jefferson County (part)
    Within city limits of Herculaneum1/6/92Nonattainment
    Dent County1/6/92Unclassifiable
    Holt County1/6/92Unclassifiable
    Rest of State Not Designated.

    Missouri—2008 Lead NAAQS

    Designated area Designation for the 2008 NAAQSa
    Date1 Type
    Iron, Dent, and Reynolds Counties, MO:
    Dent County (part)12/31/10Nonattainment.
    Sections 4, 9, 16, 21, 28, 33 of T34N, R2W
    Iron County (part)12/31/10Nonattainment.
    Sections 6–7, 18–19, 30–32 of T34N, R1W and Sections 1–3, 10–15, 22–27, 34–36 of T34N, R2W.
    Reynolds County (part)12/31/10Nonattainment.
    Sections 5–7 of T33N, R1W and Sections 1–3, 10–12 of T33N, R2W.
    Jefferson County, MO:
    Jefferson County (part)12/31/10Nonattainment.
    Within city limits of Herculaneum.
    Rest of StateUnclassifiable/Attainment.

    [43 FR 8964, Mar. 3, 1978]