Oklahoma.

Oklahoma—TSP Designated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards AQCR 017 X AQCR 022 X AQCR 184 X AQCR 185 X AQCR 186: Tulsa County X Portions of Muskogee County X Portions of Mayes County X Remainder of AQCR X AQCR 187 X AQCR 188 X AQCR 189: Portion of Comanche County X Remainder of AQCR X 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 017 X AQCR 184 X AQCR 185 X AQCR 186 X AQCR 187 X AQCR 188 X AQCR 189 X Oklahoma—2010 Sulfur Dioxide NAAQS [Primary] Designated area 1 Designation Date 2 Type Adair County Attainment/Unclassifiable. Alfalfa County Attainment/Unclassifiable. Atoka County Attainment/Unclassifiable. Beaver County Attainment/Unclassifiable. Beckham County Attainment/Unclassifiable. Blaine County Attainment/Unclassifiable. Bryan County Attainment/Unclassifiable. Caddo County Attainment/Unclassifiable. Canadian County Attainment/Unclassifiable. Carter County Attainment/Unclassifiable. Cherokee County Attainment/Unclassifiable. Choctaw County 9/12/2016 Attainment/Unclassifiable. Cimarron County Attainment/Unclassifiable. Cleveland County Attainment/Unclassifiable. Coal County Attainment/Unclassifiable. Comanche County Attainment/Unclassifiable. Cotton County Attainment/Unclassifiable. Craig County Attainment/Unclassifiable. Creek County Attainment/Unclassifiable. Custer County Attainment/Unclassifiable. Delaware County Attainment/Unclassifiable. Dewey County Attainment/Unclassifiable. Ellis County Attainment/Unclassifiable. Garfield County 4/30/2021 Attainment/Unclassifiable. Garvin County Attainment/Unclassifiable. Grady County Attainment/Unclassifiable. Grant County Attainment/Unclassifiable. Greer County Attainment/Unclassifiable. Harmon County Attainment/Unclassifiable. Harper County Attainment/Unclassifiable. Haskell County Attainment/Unclassifiable. Hughes County Attainment/Unclassifiable. Jackson County Attainment/Unclassifiable. Jefferson County Attainment/Unclassifiable. Johnston County Attainment/Unclassifiable. Kay County Attainment/Unclassifiable. Kingfisher County Attainment/Unclassifiable. Kiowa County Attainment/Unclassifiable. Latimer County Attainment/Unclassifiable. Le Flore County Attainment/Unclassifiable. Lincoln County Attainment/Unclassifiable. Logan County Attainment/Unclassifiable. Love County Attainment/Unclassifiable. McClain County Attainment/Unclassifiable. McCurtain County Attainment/Unclassifiable. McIntosh County Attainment/Unclassifiable. Major County Attainment/Unclassifiable. Marshall County Attainment/Unclassifiable. Mayes County 4/30/2021 Attainment/Unclassifiable. Murray County Attainment/Unclassifiable. Muskogee County 4/30/2021 Attainment/Unclassifiable. Noble County 9/12/2016 Attainment/Unclassifiable. Nowata County Attainment/Unclassifiable. Okfuskee County Attainment/Unclassifiable. Oklahoma County Attainment/Unclassifiable. Okmulgee County Attainment/Unclassifiable. Osage County Attainment/Unclassifiable. Ottawa County Attainment/Unclassifiable. Pawnee County Attainment/Unclassifiable. Payne County Attainment/Unclassifiable. Pittsburg County Attainment/Unclassifiable. Pontotoc County Attainment/Unclassifiable. Pottawatomie County Attainment/Unclassifiable. Pushmataha County Attainment/Unclassifiable. Roger Mills County Attainment/Unclassifiable. Rogers County Attainment/Unclassifiable. Seminole County Attainment/Unclassifiable. Sequoyah County Attainment/Unclassifiable. Stephens County Attainment/Unclassifiable. Texas County Attainment/Unclassifiable. Tillman County Attainment/Unclassifiable. Tulsa County Attainment/Unclassifiable. Wagoner County Attainment/Unclassifiable. Washington County Attainment/Unclassifiable. Washita County Attainment/Unclassifiable. Woods County Attainment/Unclassifiable. Woodward County Attainment/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 1 Type Date 1 Type AQCR 017 Metropolitan Fort Smith Interstate Unclassifiable/Attainment Adair County Cherokee County Le Flore County Sequoyah County AQCR 022 Shreveport-Texarkana-Tyler Interstate Unclassifiable/Attainment McCurtain County AQCR 184 Central Oklahoma Intrastate Unclassifiable/Attainment Canadian County Cleveland County Grady County Kingfisher County Lincoln County Logan County McClain County Oklahoma County Pottawatomie County AQCR 185 North Central Oklahoma Intrastate Unclassifiable/Attainment Garfield County Grant County Kay County Noble County Payne County AQCR 186 Northeastern Oklahoma Intrastate Unclassifiable/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 Intrastate Unclassifiable/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 Intrastate Unclassifiable/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 Intrastate Unclassifiable/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 1 Type Date 1 Type AQCR 017 Metropolitan Fort Smith Interstate Unclassifiable/Attainment Adair County Cherokee County Le Flore County Sequoyah County AQCR 022 Shreveport-Texarkana-Tyler Intrastate Unclassifiable/Attainment McCurtain County AQCR 184 Central Oklahoma Intrastate (part) Cleveland County Unclassifiable/Attainment Oklahoma County Unclassifiable/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 Intrastate Unclassifiable/Attainment Garfield County Grant County Kay County Noble County Payne County AQCR 186 Northeastern Oklahoma Intrastate Unclassifiable/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 Intrastate Unclassifiable/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 Intrastate Unclassifiable/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 Intrastate Unclassifiable/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 October 18, 2000, unless otherwise noted. 2 The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in Oklahoma. Oklahoma—1997 Annual PM 2.5 NAAQS [Primary and Secondary] Designated area Designation a Classification Date 1 Type Date Type AQCR 017 Metropolitan Fort Smith Interstate: Adair County Unclassifiable/Attainment Cherokee County Unclassifiable/Attainment Le Flore County Unclassifiable/Attainment Sequoyah County Unclassifiable/Attainment AQCR 022 Shreveport-Texarkana-Tyler Intrastate: McCurtain County Unclassifiable/Attainment AQCR 184 Central Oklahoma Intrastate (part): Cleveland County Unclassifiable/Attainment Oklahoma County Unclassifiable/Attainment AQCR 184 Central Oklahoma Intrastate (remainder of): Canadian County Unclassifiable/Attainment Grady County Unclassifiable/Attainment Kingfisher County Unclassifiable/Attainment Lincoln County Unclassifiable/Attainment Logan County Unclassifiable/Attainment McClain County Unclassifiable/Attainment Pottawatomie County Unclassifiable/Attainment AQCR 185 North Central Oklahoma Intrastate: Garfield County Unclassifiable/Attainment Grant County Unclassifiable/Attainment Kay County Unclassifiable/Attainment Noble County Unclassifiable/Attainment Payne County Unclassifiable/Attainment AQCR 186 Northeastern Oklahoma Intrastate: Craig County Unclassifiable/Attainment Creek County Unclassifiable/Attainment Delaware County Unclassifiable/Attainment Mayes County Unclassifiable/Attainment Muskogee County Unclassifiable/Attainment Nowata County Unclassifiable/Attainment Okmulgee County Unclassifiable/Attainment Osage County Unclassifiable/Attainment Ottawa County Unclassifiable/Attainment Pawnee County Unclassifiable/Attainment Rogers County Unclassifiable/Attainment Tulsa County Unclassifiable/Attainment Wagoner County Unclassifiable/Attainment Washington County Unclassifiable/Attainment AQCR 187 Northwestern Oklahoma Intrastate: Alfalfa County Unclassifiable/Attainment Beaver County Unclassifiable/Attainment Blaine County Unclassifiable/Attainment Cimarron County Unclassifiable/Attainment Custer County Unclassifiable/Attainment Dewey County Unclassifiable/Attainment Ellis County Unclassifiable/Attainment Harper County Unclassifiable/Attainment Major County Unclassifiable/Attainment Roger Mills County Unclassifiable/Attainment Texas County Unclassifiable/Attainment Woods County Unclassifiable/Attainment Woodward County Unclassifiable/Attainment AQCR 188 Southeastern Oklahoma Intrastate: Atoka County Unclassifiable/Attainment Bryan County Unclassifiable/Attainment Carter County Unclassifiable/Attainment Choctaw County Unclassifiable/Attainment Coal County Unclassifiable/Attainment Garvin County Unclassifiable/Attainment Haskell County Unclassifiable/Attainment Hughes County Unclassifiable/Attainment Johnston County Unclassifiable/Attainment Latimer County Unclassifiable/Attainment Love County Unclassifiable/Attainment McIntosh County Unclassifiable/Attainment Marshall County Unclassifiable/Attainment Murray County Unclassifiable/Attainment Okfuskee County Unclassifiable/Attainment Pittsburg County Unclassifiable/Attainment Pontotoc County Unclassifiable/Attainment Pushmataha County Unclassifiable/Attainment Seminole County Unclassifiable/Attainment AQCR 189 Southwestern Oklahoma Intrastate: Beckham County Unclassifiable/Attainment Caddo County Unclassifiable/Attainment Comanche County Unclassifiable/Attainment Cotton County Unclassifiable/Attainment Greer County Unclassifiable/Attainment Harmon County Unclassifiable/Attainment Jackson County Unclassifiable/Attainment Jefferson County Unclassifiable/Attainment Kiowa County Unclassifiable/Attainment Stephens County Unclassifiable/Attainment Tillman County Unclassifiable/Attainment Washita County Unclassifiable/Attainment a Includes Indian Country located in each county or area, except as otherwise specified. 1 This date is 90 days after January 5, 2005, unless otherwise noted. Oklahoma—2012 Annual PM 2.5 NAAQS [Primary] Designated area 1 Designation Classification Date 2 Type Date 2 Type AQCR 017 Metropolitan Fort Smith Interstate: Adair County Unclassifiable/Attainment Cherokee County Unclassifiable/Attainment Le Flore County Unclassifiable/Attainment Sequoyah County Unclassifiable/Attainment AQCR 022 Shreveport-Texarkana-Tyler Intrastate: McCurtain County Unclassifiable/Attainment AQCR 184 Central Oklahoma Intrastate: Canadian County Unclassifiable/Attainment Cleveland County Unclassifiable/Attainment Grady County Unclassifiable/Attainment Kingfisher County Unclassifiable/Attainment Lincoln County Unclassifiable/Attainment Logan County Unclassifiable/Attainment McClain County Unclassifiable/Attainment Oklahoma County Unclassifiable/Attainment Pottawatomie County Unclassifiable/Attainment AQCR 185 North Central Oklahoma Intrastate: Garfield County Unclassifiable/Attainment Grant County Unclassifiable/Attainment Kay County Unclassifiable/Attainment Noble County Unclassifiable/Attainment Payne County Unclassifiable/Attainment AQCR 186 Northeastern Oklahoma Intrastate: Craig County Unclassifiable/Attainment Creek County Unclassifiable/Attainment Delaware County Unclassifiable/Attainment Mayes County Unclassifiable/Attainment Muskogee County Unclassifiable/Attainment Nowata County Unclassifiable/Attainment Okmulgee County Unclassifiable/Attainment Osage County Unclassifiable/Attainment Ottawa County Unclassifiable/Attainment Pawnee County Unclassifiable/Attainment Rogers County Unclassifiable/Attainment Tulsa County Unclassifiable/Attainment Wagoner County Unclassifiable/Attainment Washington County Unclassifiable/Attainment AQCR 187 Northwestern Oklahoma Intrastate: Alfalfa County Unclassifiable/Attainment Beaver County Unclassifiable/Attainment Blaine County Unclassifiable/Attainment Cimarron County Unclassifiable/Attainment Custer County Unclassifiable/Attainment Dewey County Unclassifiable/Attainment Ellis County Unclassifiable/Attainment Harper County Unclassifiable/Attainment Major County Unclassifiable/Attainment Roger Mills County Unclassifiable/Attainment Texas County Unclassifiable/Attainment Woods County Unclassifiable/Attainment Woodward County Unclassifiable/Attainment AQCR 188 Southeastern Oklahoma Intrastate: Atoka County Unclassifiable/Attainment Bryan County Unclassifiable/Attainment Carter County Unclassifiable/Attainment Choctaw County Unclassifiable/Attainment Coal County Unclassifiable/Attainment Garvin County Unclassifiable/Attainment Haskell County Unclassifiable/Attainment Hughes County Unclassifiable/Attainment Johnston County Unclassifiable/Attainment Latimer County Unclassifiable/Attainment Love County Unclassifiable/Attainment McIntosh County Unclassifiable/Attainment Marshall County Unclassifiable/Attainment Murray County Unclassifiable/Attainment Okfuskee County Unclassifiable/Attainment Pittsburg County Unclassifiable/Attainment Pontotoc County Unclassifiable/Attainment Pushmataha County Unclassifiable/Attainment Seminole County Unclassifiable/Attainment AQCR 189 Southwestern Oklahoma Intrastate: Beckham County Unclassifiable/Attainment Caddo County Unclassifiable/Attainment Comanche County Unclassifiable/Attainment Cotton County Unclassifiable/Attainment Greer County Unclassifiable/Attainment Harmon County Unclassifiable/Attainment Jackson County Unclassifiable/Attainment Jefferson County Unclassifiable/Attainment Kiowa County Unclassifiable/Attainment Stephens County Unclassifiable/Attainment Tillman County Unclassifiable/Attainment Washita County Unclassifiable/Attainment 1 Includes areas of Indian country located in each county or area, except as otherwise specified. 2 This date is April 15, 2015, unless otherwise noted. Oklahoma—1997 24-Hour PM 2.5 NAAQS [Primary and Secondary] Designated area Designation a Classification Date 1 Type Date Type AQCR 017 Metropolitan Fort Smith Interstate: Adair County Unclassifiable/Attainment. Cherokee County Unclassifiable/Attainment. Le Flore County Unclassifiable/Attainment. Sequoyah County Unclassifiable/Attainment. AQCR 022 Shreveport-Texarkana-Tyler Intrastate: McCurtain County Unclassifiable/Attainment. AQCR 184 Central Oklahoma Intrastate: Canadian County Unclassifiable/Attainment. Cleveland County Unclassifiable/Attainment. Grady County Unclassifiable/Attainment. Kingfisher County Unclassifiable/Attainment. Lincoln County Unclassifiable/Attainment. Logan County Unclassifiable/Attainment. McClain County Unclassifiable/Attainment. Oklahoma County Unclassifiable/Attainment. Pottawatomie County Unclassifiable/Attainment. AQCR 185 North Central Oklahoma Intrastate: Garfield County Unclassifiable/Attainment. Grant County Unclassifiable/Attainment. Kay County Unclassifiable/Attainment. Noble County Unclassifiable/Attainment. Payne County Unclassifiable/Attainment. AQCR 186 Northeastern Oklahoma Intrastate: Craig County Unclassifiable/Attainment. Creek County Unclassifiable/Attainment. Delaware County Unclassifiable/Attainment. Mayes County Unclassifiable/Attainment. Muskogee County Unclassifiable/Attainment. Nowata County Unclassifiable/Attainment. Okmulgee County Unclassifiable/Attainment. Osage County Unclassifiable/Attainment. Ottawa County Unclassifiable/Attainment. Pawnee County Unclassifiable/Attainment. Rogers County Unclassifiable/Attainment. Tulsa County Unclassifiable/Attainment. Wagoner County Unclassifiable/Attainment. Washington County Unclassifiable/Attainment. AQCR 187 Northwestern Oklahoma Intrastate: Alfalfa County Unclassifiable/Attainment. Beaver County Unclassifiable/Attainment. Blaine County Unclassifiable/Attainment. Cimarron County Unclassifiable/Attainment. Custer County Unclassifiable/Attainment. Dewey County Unclassifiable/Attainment. Ellis County Unclassifiable/Attainment. Harper County Unclassifiable/Attainment. Major County Unclassifiable/Attainment. Roger Mills County Unclassifiable/Attainment. Texas County Unclassifiable/Attainment. Woods County Unclassifiable/Attainment. Woodward County Unclassifiable/Attainment. AQCR 188 Southeastern Oklahoma Intrastate: Atoka County Unclassifiable/Attainment. Bryan County Unclassifiable/Attainment. Carter County Unclassifiable/Attainment. Choctaw County Unclassifiable/Attainment. Coal County Unclassifiable/Attainment. Garvin County Unclassifiable/Attainment. Haskell County Unclassifiable/Attainment. Hughes County Unclassifiable/Attainment. Johnston County Unclassifiable/Attainment. Latimer County Unclassifiable/Attainment. Love County Unclassifiable/Attainment. McIntosh County Unclassifiable/Attainment. Marshall County Unclassifiable/Attainment. Murray County Unclassifiable/Attainment. Okfuskee County Unclassifiable/Attainment. Pittsburg County Unclassifiable/Attainment. Pontotoc County Unclassifiable/Attainment. Pushmataha County Unclassifiable/Attainment. Seminole County Unclassifiable/Attainment. AQCR 189 Southwestern Oklahoma Intrastate: Beckham County Unclassifiable/Attainment. Caddo County Unclassifiable/Attainment. Comanche County Unclassifiable/Attainment. Cotton County Unclassifiable/Attainment. Greer County Unclassifiable/Attainment. Harmon County Unclassifiable/Attainment. Jackson County Unclassifiable/Attainment. Jefferson County Unclassifiable/Attainment. Kiowa County Unclassifiable/Attainment. Stephens County Unclassifiable/Attainment. Tillman County Unclassifiable/Attainment. Washita County Unclassifiable/Attainment. a Includes Indian Country located in each county or area, except as otherwise specified. 1 This date is 90 days after January 5, 2005, unless otherwise noted. Oklahoma—2006 24-Hour PM 2.5 NAAQS [Primary and Secondary] Designated area Designation a Classification Date 1 Type Date Type AQCR 017 Metropolitan Fort Smith Interstate: Adair County Unclassifiable/Attainment. Cherokee County Unclassifiable/Attainment. Le Flore County Unclassifiable/Attainment. Sequoyah County Unclassifiable/Attainment. AQCR 022 Shreveport-Texarkana-Tyler Intrastate: McCurtain County Unclassifiable/Attainment. AQCR 184 Central Oklahoma Intrastate: Canadian County Unclassifiable/Attainment. Cleveland County Unclassifiable/Attainment. Grady County Unclassifiable/Attainment. Kingfisher County Unclassifiable/Attainment. Lincoln County Unclassifiable/Attainment. Logan County Unclassifiable/Attainment. McClain County Unclassifiable/Attainment. Oklahoma County Unclassifiable/Attainment. Pottawatomie County Unclassifiable/Attainment. AQCR 185 North Central Oklahoma Intrastate: Garfield County Unclassifiable/Attainment. Grant County Unclassifiable/Attainment. Kay County Unclassifiable/Attainment. Noble County Unclassifiable/Attainment. Payne County Unclassifiable/Attainment. AQCR 186 Northeastern Oklahoma Intrastate: Craig County Unclassifiable/Attainment. Creek County Unclassifiable/Attainment. Delaware County Unclassifiable/Attainment. Mayes County Unclassifiable/Attainment. Muskogee County Unclassifiable/Attainment. Nowata County Unclassifiable/Attainment. Okmulgee County Unclassifiable/Attainment. Osage County Unclassifiable/Attainment. Ottawa County Unclassifiable/Attainment. Pawnee County Unclassifiable/Attainment. Rogers County Unclassifiable/Attainment. Tulsa County Unclassifiable/Attainment. Wagoner County Unclassifiable/Attainment. Washington County Unclassifiable/Attainment. AQCR 187 Northwestern Oklahoma Intrastate: Alfalfa County Unclassifiable/Attainment. Beaver County Unclassifiable/Attainment. Blaine County Unclassifiable/Attainment. Cimarron County Unclassifiable/Attainment. Custer County Unclassifiable/Attainment. Dewey County Unclassifiable/Attainment. Ellis County Unclassifiable/Attainment. Harper County Unclassifiable/Attainment. Major County Unclassifiable/Attainment. Roger Mills County Unclassifiable/Attainment. Texas County Unclassifiable/Attainment. Woods County Unclassifiable/Attainment. Woodward County Unclassifiable/Attainment. AQCR 188 Southeastern Oklahoma Intrastate: Atoka County Unclassifiable/Attainment. Bryan County Unclassifiable/Attainment. Carter County Unclassifiable/Attainment. Choctaw County Unclassifiable/Attainment. Coal County Unclassifiable/Attainment. Garvin County Unclassifiable/Attainment. Haskell County Unclassifiable/Attainment. Hughes County Unclassifiable/Attainment. Johnston County Unclassifiable/Attainment. Latimer County Unclassifiable/Attainment. Love County Unclassifiable/Attainment. McIntosh County Unclassifiable/Attainment. Marshall County Unclassifiable/Attainment. Murray County Unclassifiable/Attainment. Okfuskee County Unclassifiable/Attainment. Pittsburg County Unclassifiable/Attainment. Pontotoc County Unclassifiable/Attainment. Pushmataha County Unclassifiable/Attainment. Seminole County Unclassifiable/Attainment. AQCR 189 Southwestern Oklahoma Intrastate: Beckham County Unclassifiable/Attainment. Caddo County Unclassifiable/Attainment. Comanche County Unclassifiable/Attainment. Cotton County Unclassifiable/Attainment. Greer County Unclassifiable/Attainment. Harmon County Unclassifiable/Attainment. Jackson County Unclassifiable/Attainment. Jefferson County Unclassifiable/Attainment. Kiowa County Unclassifiable/Attainment. Stephens County Unclassifiable/Attainment. Tillman County Unclassifiable/Attainment. Washita County Unclassifiable/Attainment. a Includes Indian Country located in each county or area, except as otherwise specified. 1 This date is 30 days after November 13, 2009, unless otherwise noted. Oklahoma—NO 2 (1971 Annual Standard) Designated area Does not meet primary standards Cannot be classified or better than national standards AQCR 017 X AQCR 184 X AQCR 185 X AQCR 186 X AQCR 187 X AQCR 188 X AQCR 189 X Oklahoma—NO 2 (2010 1-Hour Standard) Designated area Designation a Date 1 Type Adair County Unclassifiable/Attainment. Alfalfa County Unclassifiable/Attainment. Atoka County Unclassifiable/Attainment. Beaver County Unclassifiable/Attainment. Beckham County Unclassifiable/Attainment. Blaine County Unclassifiable/Attainment. Bryan County Unclassifiable/Attainment. Caddo County Unclassifiable/Attainment. Canadian County Unclassifiable/Attainment. Carter County Unclassifiable/Attainment. Cherokee County Unclassifiable/Attainment. Choctaw County Unclassifiable/Attainment. Cimarron County Unclassifiable/Attainment. Cleveland County Unclassifiable/Attainment. Coal County Unclassifiable/Attainment. Comanche County Unclassifiable/Attainment. Cotton County Unclassifiable/Attainment. Craig County Unclassifiable/Attainment. Creek County Unclassifiable/Attainment. Custer County Unclassifiable/Attainment. Delaware County Unclassifiable/Attainment. Dewey County Unclassifiable/Attainment. Ellis County Unclassifiable/Attainment. Garfield County Unclassifiable/Attainment. Garvin County Unclassifiable/Attainment. Grady County Unclassifiable/Attainment. Grant County Unclassifiable/Attainment. Greer County Unclassifiable/Attainment. Harmon County Unclassifiable/Attainment. Harper County Unclassifiable/Attainment. Haskell County Unclassifiable/Attainment. Hughes County Unclassifiable/Attainment. Jackson County Unclassifiable/Attainment. Jefferson County Unclassifiable/Attainment. Johnston County Unclassifiable/Attainment. Kay County Unclassifiable/Attainment. Kingfisher County Unclassifiable/Attainment. Kiowa County Unclassifiable/Attainment. Latimer County Unclassifiable/Attainment. Le Flore County Unclassifiable/Attainment. Lincoln County Unclassifiable/Attainment. Logan County Unclassifiable/Attainment. Love County Unclassifiable/Attainment. Major County Unclassifiable/Attainment. Marshall County Unclassifiable/Attainment. Mayes County Unclassifiable/Attainment. McClain County Unclassifiable/Attainment. McCurtain County Unclassifiable/Attainment. McIntosh County Unclassifiable/Attainment. Murray County Unclassifiable/Attainment. Muskogee County Unclassifiable/Attainment. Noble County Unclassifiable/Attainment. Nowata County Unclassifiable/Attainment. Okfuskee County Unclassifiable/Attainment. Oklahoma County Unclassifiable/Attainment. Okmulgee County Unclassifiable/Attainment. Osage County Unclassifiable/Attainment. Ottawa County Unclassifiable/Attainment. Pawnee County Unclassifiable/Attainment. Payne County Unclassifiable/Attainment. Pittsburg County Unclassifiable/Attainment. Pontotoc County Unclassifiable/Attainment. Pottawatomie County Unclassifiable/Attainment. Pushmataha County Unclassifiable/Attainment. Roger Mills County Unclassifiable/Attainment. Rogers County Unclassifiable/Attainment. Seminole County Unclassifiable/Attainment. Sequoyah County Unclassifiable/Attainment. Stephens County Unclassifiable/Attainment. Texas County Unclassifiable/Attainment. Tillman County Unclassifiable/Attainment. Tulsa County Unclassifiable/Attainment. Wagoner County Unclassifiable/Attainment. Washington County Unclassifiable/Attainment. Washita County Unclassifiable/Attainment. Woods County Unclassifiable/Attainment. Woodward County Unclassifiable/Attainment. a Includes Indian Country located in each county or area, except as otherwise specified. 1 This date is 90 days after October 31, 2011, unless otherwise noted. Oklahoma—1997 8-Hour Ozone NAAQS [Primary and Secondary] Designated area Designation a Category/classification Date 1 Type Date 1 Type AQCR 017 Metropolitan Fort Smith Interstate Unclassifiable/Attainment Adair County Cherokee County Le Flore County Sequoyah County AQCR 022 Shreveport-Texarkana-Tyler Intrastate: McCurtain County Unclassifiable/Attainment AQCR 184 Central Oklahoma Intrastate (part): Cleveland County Unclassifiable/Attainment Oklahoma County Unclassifiable/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 Intrastate Unclassifiable/Attainment Garfield County Grant County Kay County Noble County Payne County AQCR 186 Northeastern Oklahoma Intrastate Unclassifiable/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 Intrastate Unclassifiable/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 Intrastate Unclassifiable/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 Intrastate Unclassifiable/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 a Includes Indian Country located in each county or area, except as otherwise specified. 1 This date is June 15, 2004, unless otherwise noted. Oklahoma—2008 8-Hour Ozone NAAQS [Primary and Secondary] Designated area 1 Designation Classification Date 2 Type Date 2 Type Adair County Unclassifiable/Attainment Alfalfa County Unclassifiable/Attainment Atoka County Unclassifiable/Attainment Beaver County Unclassifiable/Attainment Beckham County Unclassifiable/Attainment Blaine County Unclassifiable/Attainment Bryan County Unclassifiable/Attainment Caddo County Unclassifiable/Attainment Canadian County Unclassifiable/Attainment Carter County Unclassifiable/Attainment Cherokee County Unclassifiable/Attainment Choctaw County Unclassifiable/Attainment Cimarron County Unclassifiable/Attainment Cleveland County Unclassifiable/Attainment Coal County Unclassifiable/Attainment Comanche County Unclassifiable/Attainment Cotton County Unclassifiable/Attainment Craig County Unclassifiable/Attainment Creek County Unclassifiable/Attainment Custer County Unclassifiable/Attainment Delaware County Unclassifiable/Attainment Dewey County Unclassifiable/Attainment Ellis County Unclassifiable/Attainment Garfield County Unclassifiable/Attainment Garvin County Unclassifiable/Attainment Grady County Unclassifiable/Attainment Grant County Unclassifiable/Attainment Greer County Unclassifiable/Attainment Harmon County Unclassifiable/Attainment Harper County Unclassifiable/Attainment Haskell County Unclassifiable/Attainment Hughes County Unclassifiable/Attainment Jackson County Unclassifiable/Attainment Jefferson County Unclassifiable/Attainment Johnston County Unclassifiable/Attainment Kay County Unclassifiable/Attainment Kingfisher County Unclassifiable/Attainment Kiowa County Unclassifiable/Attainment Latimer County Unclassifiable/Attainment Le Flore County Unclassifiable/Attainment Lincoln County Unclassifiable/Attainment Logan County Unclassifiable/Attainment Love County Unclassifiable/Attainment Major County Unclassifiable/Attainment Marshall County Unclassifiable/Attainment Mayes County Unclassifiable/Attainment McClain County Unclassifiable/Attainment McCurtain County Unclassifiable/Attainment McIntosh County Unclassifiable/Attainment Murray County Unclassifiable/Attainment Muskogee County Unclassifiable/Attainment Noble County Unclassifiable/Attainment Nowata County Unclassifiable/Attainment Okfuskee County Unclassifiable/Attainment Oklahoma County Unclassifiable/Attainment Okmulgee County Unclassifiable/Attainment Osage County Unclassifiable/Attainment Ottawa County Unclassifiable/Attainment Pawnee County Unclassifiable/Attainment Payne County Unclassifiable/Attainment Pittsburg County Unclassifiable/Attainment Pontotoc County Unclassifiable/Attainment Pottawatomie County Unclassifiable/Attainment Pushmataha County Unclassifiable/Attainment Roger Mills County Unclassifiable/Attainment Rogers County Unclassifiable/Attainment Seminole County Unclassifiable/Attainment Sequoyah County Unclassifiable/Attainment Stephens County Unclassifiable/Attainment Texas County Unclassifiable/Attainment Tillman County Unclassifiable/Attainment Tulsa County Unclassifiable/Attainment Wagoner County Unclassifiable/Attainment Washington County Unclassifiable/Attainment Washita County Unclassifiable/Attainment Woods County Unclassifiable/Attainment Woodward County Unclassifiable/Attainment 1 Includes any Indian country in each county or area, unless otherwise specified. 2 This date is July 20, 2012, unless otherwise noted. Oklahoma—2015 8-Hour Ozone NAAQS [Primary and Secondary] Designated area 1 Designation Classification Date 2 Type Date 2 Type Adair County 1/16/2018 Attainment/Unclassifiable Alfalfa County 1/16/2018 Attainment/Unclassifiable Atoka County 1/16/2018 Attainment/Unclassifiable Beaver County 1/16/2018 Attainment/Unclassifiable Beckham County 1/16/2018 Attainment/Unclassifiable Blaine County 1/16/2018 Attainment/Unclassifiable Bryan County Attainment/Unclassifiable Caddo County 1/16/2018 Attainment/Unclassifiable Canadian County 1/16/2018 Attainment/Unclassifiable Carter County 1/16/2018 Attainment/Unclassifiable Cherokee County 1/16/2018 Attainment/Unclassifiable Choctaw County 1/16/2018 Attainment/Unclassifiable Cimarron County 1/16/2018 Attainment/Unclassifiable Cleveland County 1/16/2018 Attainment/Unclassifiable Coal County 1/16/2018 Attainment/Unclassifiable Comanche County 1/16/2018 Attainment/Unclassifiable Cotton County 1/16/2018 Attainment/Unclassifiable Craig County 1/16/2018 Attainment/Unclassifiable Creek County 1/16/2018 Attainment/Unclassifiable Custer County 1/16/2018 Attainment/Unclassifiable Delaware County 1/16/2018 Attainment/Unclassifiable Dewey County 1/16/2018 Attainment/Unclassifiable Ellis County 1/16/2018 Attainment/Unclassifiable Garfield County 1/16/2018 Attainment/Unclassifiable Garvin County 1/16/2018 Attainment/Unclassifiable Grady County 1/16/2018 Attainment/Unclassifiable Grant County 1/16/2018 Attainment/Unclassifiable Greer County 1/16/2018 Attainment/Unclassifiable Harmon County 1/16/2018 Attainment/Unclassifiable Harper County 1/16/2018 Attainment/Unclassifiable Haskell County 1/16/2018 Attainment/Unclassifiable Hughes County 1/16/2018 Attainment/Unclassifiable Jackson County 1/16/2018 Attainment/Unclassifiable Jefferson County 1/16/2018 Attainment/Unclassifiable Johnston County 1/16/2018 Attainment/Unclassifiable Kay County 1/16/2018 Attainment/Unclassifiable Kingfisher County 1/16/2018 Attainment/Unclassifiable Kiowa County 1/16/2018 Attainment/Unclassifiable Latimer County 1/16/2018 Attainment/Unclassifiable Le Flore County 1/16/2018 Attainment/Unclassifiable Lincoln County 1/16/2018 Attainment/Unclassifiable Logan County 1/16/2018 Attainment/Unclassifiable Love County 1/16/2018 Attainment/Unclassifiable McClain County 1/16/2018 Attainment/Unclassifiable McCurtain County 1/16/2018 Attainment/Unclassifiable McIntosh County 1/16/2018 Attainment/Unclassifiable Major County 1/16/2018 Attainment/Unclassifiable Marshall County 1/16/2018 Attainment/Unclassifiable Mayes County 1/16/2018 Attainment/Unclassifiable Murray County 1/16/2018 Attainment/Unclassifiable Muskogee County 1/16/2018 Attainment/Unclassifiable Noble County 1/16/2018 Attainment/Unclassifiable Nowata County 1/16/2018 Attainment/Unclassifiable Okfuskee County 1/16/2018 Attainment/Unclassifiable Oklahoma County 1/16/2018 Attainment/Unclassifiable Okmulgee County 1/16/2018 Attainment/Unclassifiable Osage County 1/16/2018 Attainment/Unclassifiable Ottawa County 1/16/2018 Attainment/Unclassifiable Pawnee County 1/16/2018 Attainment/Unclassifiable Payne County 1/16/2018 Attainment/Unclassifiable Pittsburg County 1/16/2018 Attainment/Unclassifiable Pontotoc County 1/16/2018 Attainment/Unclassifiable Pottawatomie County 1/16/2018 Attainment/Unclassifiable Pushmataha County 1/16/2018 Attainment/Unclassifiable Roger Mills County 1/16/2018 Attainment/Unclassifiable Rogers County 1/16/2018 Attainment/Unclassifiable Seminole County 1/16/2018 Attainment/Unclassifiable Sequoyah County 1/16/2018 Attainment/Unclassifiable Stephens County 1/16/2018 Attainment/Unclassifiable Texas County 1/16/2018 Attainment/Unclassifiable Tillman County 1/16/2018 Attainment/Unclassifiable Tulsa County 1/16/2018 Attainment/Unclassifiable Wagoner County 1/16/2018 Attainment/Unclassifiable Washington County 1/16/2018 Attainment/Unclassifiable Washita County 1/16/2018 Attainment/Unclassifiable Woods County 1/16/2018 Attainment/Unclassifiable Woodward County 1/16/2018 Attainment/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 August 3, 2018, unless otherwise noted. Oklahoma—2008 Lead NAAQS Designated area Designation for the 2008 NAAQS a Date 1 Type Whole State Unclassifiable/Attainment. a Includes Indian Country located in each county or area, except as otherwise specified. 1 December 31, 2011 unless otherwise noted. [43 FR 8964, Mar. 3, 1978] Editorial Note: For Federal Register citations affecting § 81.337, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.govinfo.gov.