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8-Hour Ozone (2015) Nonattainment Areas by State/County/Area

Data is current as of October 31, 2019

Click underlined column heading to change report order
State  County  Area Name  County NA
Whole/Part
 
2010
Population
 
State/
County FIPS
click link for
partial county description
whole or
partial county population
ARIZONA Gila County Phoenix-Mesa, AZ Part 56 04/007
ARIZONA Maricopa County Phoenix-Mesa, AZ Part 3,802,075 04/013
ARIZONA Pinal County Phoenix-Mesa, AZ Part 143,009 04/021
ARIZONA Yuma County Yuma, AZ Part 87,254 04/027
CALIFORNIA Alameda County San Francisco Bay Area, CA Whole 1,510,271 06/001
CALIFORNIA Amador County Amador County, CA Whole 38,091 06/005
CALIFORNIA Butte County Butte County, CA Whole 220,000 06/007
CALIFORNIA Calaveras County Calaveras County, CA Whole 45,578 06/009
CALIFORNIA Contra Costa County San Francisco Bay Area, CA Whole 1,049,025 06/013
CALIFORNIA El Dorado County Sacramento Metro, CA Part 150,297 06/017
CALIFORNIA Fresno County San Joaquin Valley, CA Whole 930,450 06/019
CALIFORNIA Imperial County Imperial County, CA Whole 174,528 06/025
CALIFORNIA Kern County Kern County (Eastern Kern), CA Part 95,066 06/029
CALIFORNIA Kern County San Joaquin Valley, CA Part 709,869 06/029
CALIFORNIA Kings County San Joaquin Valley, CA Whole 152,982 06/031
CALIFORNIA Los Angeles County Los Angeles-San Bernardino Counties (West Mojave Desert), CA Part 377,429 06/037
CALIFORNIA Los Angeles County Los Angeles-South Coast Air Basin, CA Part 9,428,411 06/037
CALIFORNIA Madera County San Joaquin Valley, CA Whole 150,865 06/039
CALIFORNIA Marin County San Francisco Bay Area, CA Whole 252,409 06/041
CALIFORNIA Mariposa County Mariposa County, CA Whole 18,251 06/043
CALIFORNIA Merced County San Joaquin Valley, CA Whole 255,793 06/047
CALIFORNIA Napa County San Francisco Bay Area, CA Whole 136,484 06/055
CALIFORNIA Nevada County Nevada County (Western part), CA Part 82,042 06/057
CALIFORNIA Orange County Los Angeles-South Coast Air Basin, CA Whole 3,010,232 06/059
CALIFORNIA Placer County Sacramento Metro, CA Part 337,840 06/061
CALIFORNIA Riverside County Los Angeles-South Coast Air Basin, CA Part 1,737,528 06/065
CALIFORNIA Riverside County Morongo Band of Mission Indians, CA Part 932 06/065
CALIFORNIA Riverside County Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation, CA Part 639 06/065
CALIFORNIA Riverside County Riverside County (Coachella Valley), CA Part 425,029 06/065
CALIFORNIA Sacramento County Sacramento Metro, CA Whole 1,418,788 06/067
CALIFORNIA San Bernardino County Los Angeles-San Bernardino Counties (West Mojave Desert), CA Part 489,531 06/071
CALIFORNIA San Bernardino County Los Angeles-South Coast Air Basin, CA Part 1,526,600 06/071
CALIFORNIA San Diego County Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation, CA Part 13 06/073
CALIFORNIA San Diego County San Diego County, CA Part 3,077,287 06/073
CALIFORNIA San Francisco County San Francisco Bay Area, CA Whole 805,235 06/075
CALIFORNIA San Joaquin County San Joaquin Valley, CA Whole 685,306 06/077
CALIFORNIA San Luis Obispo County San Luis Obispo (Eastern part), CA Part 1,290 06/079
CALIFORNIA San Mateo County San Francisco Bay Area, CA Whole 718,451 06/081
CALIFORNIA Santa Clara County San Francisco Bay Area, CA Whole 1,781,642 06/085
CALIFORNIA Solano County Sacramento Metro, CA Part 129,291 06/095
CALIFORNIA Solano County San Francisco Bay Area, CA Part 284,053 06/095
CALIFORNIA Sonoma County San Francisco Bay Area, CA Part 431,795 06/097
CALIFORNIA Stanislaus County San Joaquin Valley, CA Whole 514,453 06/099
CALIFORNIA Sutter County Sacramento Metro, CA Part 3,383 06/101
CALIFORNIA Sutter County Sutter Buttes, CA Part 3 06/101
CALIFORNIA Tehama County Tuscan Buttes, CA Part 0 06/103
CALIFORNIA Tulare County San Joaquin Valley, CA Whole 442,179 06/107
CALIFORNIA Tuolumne County Tuolumne County, CA Whole 55,365 06/109
CALIFORNIA Ventura County Ventura County, CA Part 820,808 06/111
CALIFORNIA Yolo County Sacramento Metro, CA Whole 200,849 06/113
COLORADO Adams County Denver Metro/North Front Range, CO Whole 441,603 08/001
COLORADO Arapahoe County Denver Metro/North Front Range, CO Whole 572,003 08/005
COLORADO Boulder County Denver Metro/North Front Range, CO Whole 294,567 08/013
COLORADO Broomfield County Denver Metro/North Front Range, CO Whole 55,889 08/014
COLORADO Denver County Denver Metro/North Front Range, CO Whole 600,158 08/031
COLORADO Douglas County Denver Metro/North Front Range, CO Whole 285,465 08/035
COLORADO Jefferson County Denver Metro/North Front Range, CO Whole 534,543 08/059
COLORADO Larimer County Denver Metro/North Front Range, CO Part 294,170 08/069
COLORADO Weld County Denver Metro/North Front Range, CO Part 251,375 08/123
CONNECTICUT Fairfield County New York-Northern New Jersey-Long Island, NY-NJ-CT Whole 916,829 09/001
CONNECTICUT Hartford County Greater Connecticut, CT Whole 894,014 09/003
CONNECTICUT Litchfield County Greater Connecticut, CT Whole 189,927 09/005
CONNECTICUT Middlesex County New York-Northern New Jersey-Long Island, NY-NJ-CT Whole 165,676 09/007
CONNECTICUT New Haven County New York-Northern New Jersey-Long Island, NY-NJ-CT Whole 862,477 09/009
CONNECTICUT New London County Greater Connecticut, CT Whole 274,055 09/011
CONNECTICUT Tolland County Greater Connecticut, CT Whole 152,691 09/013
CONNECTICUT Windham County Greater Connecticut, CT Whole 118,428 09/015
DELAWARE New Castle County Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE Whole 538,479 10/003
DISTRICT OF COLUMBIA District of Columbia Washington, DC-MD-VA Whole 601,723 11/001
GEORGIA Bartow County Atlanta, GA Whole 100,157 13/015
GEORGIA Clayton County Atlanta, GA Whole 259,424 13/063
GEORGIA Cobb County Atlanta, GA Whole 688,078 13/067
GEORGIA DeKalb County Atlanta, GA Whole 691,893 13/089
GEORGIA Fulton County Atlanta, GA Whole 920,581 13/121
GEORGIA Gwinnett County Atlanta, GA Whole 805,321 13/135
GEORGIA Henry County Atlanta, GA Whole 203,922 13/151
ILLINOIS Cook County Chicago, IL-IN-WI Whole 5,194,675 17/031
ILLINOIS DuPage County Chicago, IL-IN-WI Whole 916,924 17/043
ILLINOIS Grundy County Chicago, IL-IN-WI Part 19,251 17/063
ILLINOIS Kane County Chicago, IL-IN-WI Whole 515,269 17/089
ILLINOIS Kendall County Chicago, IL-IN-WI Part 49,334 17/093
ILLINOIS Lake County Chicago, IL-IN-WI Whole 703,462 17/097
ILLINOIS Madison County St. Louis, MO-IL Whole 269,282 17/119
ILLINOIS St. Clair County St. Louis, MO-IL Whole 270,056 17/163
ILLINOIS Will County Chicago, IL-IN-WI Whole 677,560 17/197
INDIANA Clark County Louisville, KY-IN Whole 110,232 18/019
INDIANA Floyd County Louisville, KY-IN Whole 74,578 18/043
INDIANA Lake County Chicago, IL-IN-WI Part 421,162 18/089
KENTUCKY Boone County Cincinnati, OH-KY Part 113,158 21/015
KENTUCKY Bullitt County Louisville, KY-IN Whole 74,319 21/029
KENTUCKY Campbell County Cincinnati, OH-KY Part 82,634 21/037
KENTUCKY Jefferson County Louisville, KY-IN Whole 741,096 21/111
KENTUCKY Kenton County Cincinnati, OH-KY Part 152,176 21/117
KENTUCKY Oldham County Louisville, KY-IN Whole 60,316 21/185
MARYLAND Anne Arundel County Baltimore, MD Whole 537,656 24/003
MARYLAND Baltimore County Baltimore, MD Whole 805,029 24/005
MARYLAND Baltimore city Baltimore, MD Whole 620,961 24/510
MARYLAND Calvert County Washington, DC-MD-VA Whole 88,737 24/009
MARYLAND Carroll County Baltimore, MD Whole 167,134 24/013
MARYLAND Cecil County Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE Whole 101,108 24/015
MARYLAND Charles County Washington, DC-MD-VA Whole 146,551 24/017
MARYLAND Frederick County Washington, DC-MD-VA Whole 233,385 24/021
MARYLAND Harford County Baltimore, MD Whole 244,826 24/025
MARYLAND Howard County Baltimore, MD Whole 287,085 24/027
MARYLAND Montgomery County Washington, DC-MD-VA Whole 971,777 24/031
MARYLAND Prince George's County Washington, DC-MD-VA Whole 863,420 24/033
MICHIGAN Allegan County Allegan County, MI Part 46,615 26/005
MICHIGAN Berrien County Berrien County, MI Whole 156,813 26/021
MICHIGAN Livingston County Detroit, MI Whole 180,967 26/093
MICHIGAN Macomb County Detroit, MI Whole 840,978 26/099
MICHIGAN Monroe County Detroit, MI Whole 152,021 26/115
MICHIGAN Muskegon County Muskegon County, MI Part 146,852 26/121
MICHIGAN Oakland County Detroit, MI Whole 1,202,362 26/125
MICHIGAN St. Clair County Detroit, MI Whole 163,040 26/147
MICHIGAN Washtenaw County Detroit, MI Whole 344,791 26/161
MICHIGAN Wayne County Detroit, MI Whole 1,820,584 26/163
MISSOURI Franklin County St. Louis, MO-IL Part 18,108 29/071
MISSOURI St. Charles County St. Louis, MO-IL Whole 360,485 29/183
MISSOURI St. Louis County St. Louis, MO-IL Whole 998,954 29/189
MISSOURI St. Louis city St. Louis, MO-IL Whole 319,294 29/510
NEVADA Clark County Las Vegas, NV Part 1,892,250 32/003
NEW JERSEY Atlantic County Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE Whole 274,549 34/001
NEW JERSEY Bergen County New York-Northern New Jersey-Long Island, NY-NJ-CT Whole 905,116 34/003
NEW JERSEY Burlington County Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE Whole 448,734 34/005
NEW JERSEY Camden County Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE Whole 513,657 34/007
NEW JERSEY Cape May County Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE Whole 97,265 34/009
NEW JERSEY Cumberland County Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE Whole 156,898 34/011
NEW JERSEY Essex County New York-Northern New Jersey-Long Island, NY-NJ-CT Whole 783,969 34/013
NEW JERSEY Gloucester County Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE Whole 288,288 34/015
NEW JERSEY Hudson County New York-Northern New Jersey-Long Island, NY-NJ-CT Whole 634,266 34/017
NEW JERSEY Hunterdon County New York-Northern New Jersey-Long Island, NY-NJ-CT Whole 128,349 34/019
NEW JERSEY Mercer County Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE Whole 366,513 34/021
NEW JERSEY Middlesex County New York-Northern New Jersey-Long Island, NY-NJ-CT Whole 809,858 34/023
NEW JERSEY Monmouth County New York-Northern New Jersey-Long Island, NY-NJ-CT Whole 630,380 34/025
NEW JERSEY Morris County New York-Northern New Jersey-Long Island, NY-NJ-CT Whole 492,276 34/027
NEW JERSEY Ocean County Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE Whole 576,567 34/029
NEW JERSEY Passaic County New York-Northern New Jersey-Long Island, NY-NJ-CT Whole 501,226 34/031
NEW JERSEY Salem County Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE Whole 66,083 34/033
NEW JERSEY Somerset County New York-Northern New Jersey-Long Island, NY-NJ-CT Whole 323,444 34/035
NEW JERSEY Sussex County New York-Northern New Jersey-Long Island, NY-NJ-CT Whole 149,265 34/037
NEW JERSEY Union County New York-Northern New Jersey-Long Island, NY-NJ-CT Whole 536,499 34/039
NEW JERSEY Warren County New York-Northern New Jersey-Long Island, NY-NJ-CT Whole 108,692 34/041
NEW MEXICO Dona Ana County Dona Ana County (Sunland Park Area), NM Part 12,675 35/013
NEW YORK Bronx County New York-Northern New Jersey-Long Island, NY-NJ-CT Whole 1,385,108 36/005
NEW YORK Kings County New York-Northern New Jersey-Long Island, NY-NJ-CT Whole 2,504,700 36/047
NEW YORK Nassau County New York-Northern New Jersey-Long Island, NY-NJ-CT Whole 1,339,532 36/059
NEW YORK New York County New York-Northern New Jersey-Long Island, NY-NJ-CT Whole 1,585,873 36/061
NEW YORK Queens County New York-Northern New Jersey-Long Island, NY-NJ-CT Whole 2,230,722 36/081
NEW YORK Richmond County New York-Northern New Jersey-Long Island, NY-NJ-CT Whole 468,730 36/085
NEW YORK Rockland County New York-Northern New Jersey-Long Island, NY-NJ-CT Whole 311,687 36/087
NEW YORK Suffolk County New York-Northern New Jersey-Long Island, NY-NJ-CT Whole 1,493,350 36/103
NEW YORK Westchester County New York-Northern New Jersey-Long Island, NY-NJ-CT Whole 949,113 36/119
OHIO Butler County Cincinnati, OH-KY Whole 368,130 39/017
OHIO Clermont County Cincinnati, OH-KY Whole 197,363 39/025
OHIO Cuyahoga County Cleveland, OH Whole 1,280,122 39/035
OHIO Geauga County Cleveland, OH Whole 93,389 39/055
OHIO Hamilton County Cincinnati, OH-KY Whole 802,374 39/061
OHIO Lake County Cleveland, OH Whole 230,041 39/085
OHIO Lorain County Cleveland, OH Whole 301,356 39/093
OHIO Medina County Cleveland, OH Whole 172,332 39/103
OHIO Portage County Cleveland, OH Whole 161,419 39/133
OHIO Summit County Cleveland, OH Whole 541,781 39/153
OHIO Warren County Cincinnati, OH-KY Whole 212,693 39/165
PENNSYLVANIA Bucks County Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE Whole 625,249 42/017
PENNSYLVANIA Chester County Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE Whole 498,886 42/029
PENNSYLVANIA Delaware County Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE Whole 558,979 42/045
PENNSYLVANIA Montgomery County Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE Whole 799,874 42/091
PENNSYLVANIA Philadelphia County Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE Whole 1,526,006 42/101
TEXAS Bexar County San Antonio, TX Whole 1,714,773 48/029
TEXAS Brazoria County Houston-Galveston-Brazoria, TX Whole 313,166 48/039
TEXAS Chambers County Houston-Galveston-Brazoria, TX Whole 35,096 48/071
TEXAS Collin County Dallas-Fort Worth, TX Whole 782,341 48/085
TEXAS Dallas County Dallas-Fort Worth, TX Whole 2,368,139 48/113
TEXAS Denton County Dallas-Fort Worth, TX Whole 662,614 48/121
TEXAS Ellis County Dallas-Fort Worth, TX Whole 149,610 48/139
TEXAS Fort Bend County Houston-Galveston-Brazoria, TX Whole 585,375 48/157
TEXAS Galveston County Houston-Galveston-Brazoria, TX Whole 291,309 48/167
TEXAS Harris County Houston-Galveston-Brazoria, TX Whole 4,092,459 48/201
TEXAS Johnson County Dallas-Fort Worth, TX Whole 150,934 48/251
TEXAS Kaufman County Dallas-Fort Worth, TX Whole 103,350 48/257
TEXAS Montgomery County Houston-Galveston-Brazoria, TX Whole 455,746 48/339
TEXAS Parker County Dallas-Fort Worth, TX Whole 116,927 48/367
TEXAS Tarrant County Dallas-Fort Worth, TX Whole 1,809,034 48/439
TEXAS Wise County Dallas-Fort Worth, TX Whole 59,127 48/497
UTAH Davis County Northern Wasatch Front, UT Whole 306,479 49/011
UTAH Duchesne County Uinta Basin, UT Part 15,338 49/013
UTAH Salt Lake County Northern Wasatch Front, UT Whole 1,029,655 49/035
UTAH Tooele County Northern Wasatch Front, UT Part 54,857 49/045
UTAH Uintah County Uinta Basin, UT Part 31,979 49/047
UTAH Utah County Southern Wasatch Front, UT Part 515,895 49/049
UTAH Weber County Northern Wasatch Front, UT Part 224,583 49/057
VIRGINIA Alexandria city Washington, DC-MD-VA Whole 139,966 51/510
VIRGINIA Arlington County Washington, DC-MD-VA Whole 207,627 51/013
VIRGINIA Fairfax County Washington, DC-MD-VA Whole 1,081,726 51/059
VIRGINIA Fairfax city Washington, DC-MD-VA Whole 22,565 51/600
VIRGINIA Falls Church city Washington, DC-MD-VA Whole 12,332 51/610
VIRGINIA Loudoun County Washington, DC-MD-VA Whole 312,311 51/107
VIRGINIA Manassas Park city Washington, DC-MD-VA Whole 14,273 51/685
VIRGINIA Manassas city Washington, DC-MD-VA Whole 37,821 51/683
VIRGINIA Prince William County Washington, DC-MD-VA Whole 402,002 51/153
WISCONSIN Door County Door County, WI Part 31 55/029
WISCONSIN Kenosha County Chicago, IL-IN-WI Part 116,383 55/059
WISCONSIN Manitowoc County Manitowoc County, WI Part 48,956 55/071
WISCONSIN Milwaukee County Northern Milwaukee/Ozaukee Shoreline, WI Part 27,564 55/079
WISCONSIN Ozaukee County Northern Milwaukee/Ozaukee Shoreline, WI Part 42,253 55/089
WISCONSIN Sheboygan County Sheboygan County, WI Part 61,656 55/117


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