Oklahoma.

§ 81.337 Oklahoma.

Oklahoma—TSP

Designated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards
AQCR 017X
AQCR 022X
AQCR 184X
AQCR 185X
AQCR 186:
Tulsa CountyX
Portions of Muskogee CountyX
Portions of Mayes CountyX
Remainder of AQCRX
AQCR 187X
AQCR 188X
AQCR 189:
Portion of Comanche CountyX
Remainder of AQCRX

Oklahoma—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
AQCR 017X
AQCR 184X
AQCR 185X
AQCR 186X
AQCR 187X
AQCR 188X
AQCR 189X

Oklahoma—2010 Sulfur Dioxide NAAQS

[Primary]

Designated area 1Designation
Date 2Type
Adair CountyAttainment/Unclassifiable.
Alfalfa CountyAttainment/Unclassifiable.
Atoka CountyAttainment/Unclassifiable.
Beaver CountyAttainment/Unclassifiable.
Beckham CountyAttainment/Unclassifiable.
Blaine CountyAttainment/Unclassifiable.
Bryan CountyAttainment/Unclassifiable.
Caddo CountyAttainment/Unclassifiable.
Canadian CountyAttainment/Unclassifiable.
Carter CountyAttainment/Unclassifiable.
Cherokee CountyAttainment/Unclassifiable.
Choctaw County9/12/16Attainment/Unclassifiable.
Cimarron CountyAttainment/Unclassifiable.
Cleveland CountyAttainment/Unclassifiable.
Coal CountyAttainment/Unclassifiable.
Comanche CountyAttainment/Unclassifiable.
Cotton CountyAttainment/Unclassifiable.
Craig CountyAttainment/Unclassifiable.
Creek CountyAttainment/Unclassifiable.
Custer CountyAttainment/Unclassifiable.
Delaware CountyAttainment/Unclassifiable.
Dewey CountyAttainment/Unclassifiable.
Ellis CountyAttainment/Unclassifiable.
Garfield County4/30/2021Attainment/Unclassifiable.
Garvin CountyAttainment/Unclassifiable.
Grady CountyAttainment/Unclassifiable.
Grant CountyAttainment/Unclassifiable.
Greer CountyAttainment/Unclassifiable.
Harmon CountyAttainment/Unclassifiable.
Harper CountyAttainment/Unclassifiable.
Haskell CountyAttainment/Unclassifiable.
Hughes CountyAttainment/Unclassifiable.
Jackson CountyAttainment/Unclassifiable.
Jefferson CountyAttainment/Unclassifiable.
Johnston CountyAttainment/Unclassifiable.
Kay CountyAttainment/Unclassifiable.
Kingfisher CountyAttainment/Unclassifiable.
Kiowa CountyAttainment/Unclassifiable.
Latimer CountyAttainment/Unclassifiable.
Le Flore CountyAttainment/Unclassifiable.
Lincoln CountyAttainment/Unclassifiable.
Logan CountyAttainment/Unclassifiable.
Love CountyAttainment/Unclassifiable.
McClain CountyAttainment/Unclassifiable.
McCurtain CountyAttainment/Unclassifiable.
McIntosh CountyAttainment/Unclassifiable.
Major CountyAttainment/Unclassifiable.
Marshall CountyAttainment/Unclassifiable.
Mayes County4/30/2021Attainment/Unclassifiable.
Murray CountyAttainment/Unclassifiable.
Muskogee County4/30/2021Attainment/Unclassifiable.
Noble County9/12/16Attainment/Unclassifiable.
Nowata CountyAttainment/Unclassifiable.
Okfuskee CountyAttainment/Unclassifiable.
Oklahoma CountyAttainment/Unclassifiable.
Okmulgee CountyAttainment/Unclassifiable.
Osage CountyAttainment/Unclassifiable.
Ottawa CountyAttainment/Unclassifiable.
Pawnee CountyAttainment/Unclassifiable.
Payne CountyAttainment/Unclassifiable.
Pittsburg CountyAttainment/Unclassifiable.
Pontotoc CountyAttainment/Unclassifiable.
Pottawatomie CountyAttainment/Unclassifiable.
Pushmataha CountyAttainment/Unclassifiable.
Roger Mills CountyAttainment/Unclassifiable.
Rogers CountyAttainment/Unclassifiable.
Seminole CountyAttainment/Unclassifiable.
Sequoyah CountyAttainment/Unclassifiable.
Stephens CountyAttainment/Unclassifiable.
Texas CountyAttainment/Unclassifiable.
Tillman CountyAttainment/Unclassifiable.
Tulsa CountyAttainment/Unclassifiable.
Wagoner CountyAttainment/Unclassifiable.
Washington CountyAttainment/Unclassifiable.
Washita CountyAttainment/Unclassifiable.
Woods CountyAttainment/Unclassifiable.
Woodward CountyAttainment/Unclassifiable.

1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.

2 This date is April 9, 2018, unless otherwise noted.

Oklahoma—Carbon Monoxide

Designated Area Designation Classification
Date 1Type Date 1Type
AQCR 017 Metropolitan Fort Smith InterstateUnclassifiable/Attainment
Adair County
Cherokee County
Le Flore County
Sequoyah County
AQCR 022 Shreveport-Texarkana-Tyler InterstateUnclassifiable/Attainment
McCurtain County
AQCR 184 Central Oklahoma IntrastateUnclassifiable/Attainment
Canadian County
Cleveland County
Grady County
Kingfisher County
Lincoln County
Logan County
McClain County
Oklahoma County
Pottawatomie County
AQCR 185 North Central Oklahoma IntrastateUnclassifiable/Attainment
Garfield County
Grant County
Kay County
Noble County
Payne County
AQCR 186 Northeastern Oklahoma IntrastateUnclassifiable/Attainment
Craig County
Creek County
Delaware County
Mayes County
Muskogee County
Nowata County
Okmulgee County
Osage County
Ottawa County
Pawnee County
Rogers County
Tulsa County
Wagoner County
Washington County
AQCR 187 Northwestern Oklahoma IntrastateUnclassifiable/Attainment
Alfalfa County
Beaver County
Blaine County
Cimarron County
Custer County
Dewey County
Ellis County
Harper County
Major County
Roger Mills County
Texas County
Woods County
Woodward County
AQCR 188 Southeastern Oklahoma IntrastateUnclassifiable/Attainment
Atoka County
Bryan County
Carter County
Choctaw County
Coal County
Garvin County
Haskell County
Hughes County
Johnston County
Latimer County
Love County
Marshall County
McIntosh County
Murray County
Okfuskee County
Pittsburg County
Pontotoc County
Pushmataha County
Seminole County
AQCR 189 Southwestern Oklahoma IntrastateUnclassifiable/Attainment
Beckham County
Caddo County
Comanche County
Cotton County
Greer County
Harmon County
Jackson County
Jefferson County
Kiowa County
Stephens County
Tillman County
Washita County

1 This date is November 15, 1990, unless otherwise noted.

Oklahoma—Ozone (1-Hour Standard) 2

Designated area Designation Classification
Date 1Type Date 1Type
AQCR 017 Metropolitan Fort Smith InterstateUnclassifiable/Attainment
Adair County
Cherokee County
Le Flore County
Sequoyah County
AQCR 022 Shreveport-Texarkana-Tyler IntrastateUnclassifiable/Attainment
McCurtain County
AQCR 184 Central Oklahoma Intrastate (part)
Cleveland CountyUnclassifiable/Attainment
Oklahoma CountyUnclassifiable/Attainment
AQCR 184 Central Oklahoma Intrastate (Remainder of)Unclassifiable/Attainment
Canadian County
Grady County
Kingfisher County
Lincoln County
Logan County
McClain County
Pottawatomie County
AQCR 185 North Central Oklahoma IntrastateUnclassifiable/Attainment
Garfield County
Grant County
Kay County
Noble County
Payne County
AQCR 186 Northeastern Oklahoma IntrastateUnclassifiable/Attainment
Craig County
Creek County
Delaware County
Mayes County
Muskogee County
Nowata County
Okmulgee County
Osage County
Ottawa County
Pawnee County
Rogers County
Tulsa County
Wagoner County
Washington County
AQCR 187 Northwestern Oklahoma IntrastateUnclassifiable/Attainment
Alfalfa County
Beaver County
Blaine County
Cimarron County
Custer County
Dewey County
Ellis County
Harper County
Major County
Roger Mills County
Texas County
Woods County
Woodward County
AQCR 188 Southeastern Oklahoma IntrastateUnclassifiable/Attainment
Atoka County
Bryan County
Carter County
Choctaw County
Coal County
Garvin County
Haskell County
Hughes County
Johnston County
Latimer County
Love County
Marshall County
McIntosh County
Murray County
Okfuskee County
Pittsburg County
Pontotoc County
Pushmataha County
Seminole County
AQCR 189 Southwestern Oklahoma IntrastateUnclassifiable/Attainment
Beckham County
Caddo County
Comanche County
Cotton County
Greer County
Harmon County
Jackson County
Jefferson County
Kiowa County
Stephens County
Tillman County
Washita County
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