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1-Hour Ozone (1979) Nonattainment Areas by State/County/Area - NAAQS Revoked

Data is current as of August 31, 2020

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
CALIFORNIA Alameda County San Francisco Bay Area, CA Whole 1,510,271 06/001
CALIFORNIA Butte County Chico, CA Whole 220,000 06/007
CALIFORNIA Contra Costa County San Francisco Bay Area, CA Whole 1,049,025 06/013
CALIFORNIA El Dorado County Sacramento Metro, CA Part 143,832 06/017
CALIFORNIA Fresno County San Joaquin Valley, CA Whole 930,450 06/019
CALIFORNIA Imperial County Imperial Co, CA Whole 174,528 06/025
CALIFORNIA Kern County San Joaquin Valley, CA Part 698,229 06/029
CALIFORNIA Kings County San Joaquin Valley, CA Whole 152,982 06/031
CALIFORNIA Los Angeles County Los Angeles-South Coast Air Basin, CA Part 9,512,219 06/037
CALIFORNIA Los Angeles County Southeast Desert Modified AQMA, CA Part 306,386 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 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 Orange County Los Angeles-South Coast Air Basin, CA Whole 3,010,232 06/059
CALIFORNIA Placer County Sacramento Metro, CA Part 336,617 06/061
CALIFORNIA Riverside County Los Angeles-South Coast Air Basin, CA Part 1,692,083 06/065
CALIFORNIA Riverside County Morongo Band of Mission Indians Part 913 06/065
CALIFORNIA Riverside County Southeast Desert Modified AQMA, CA Part 460,138 06/065
CALIFORNIA Sacramento County Sacramento Metro, CA Whole 1,418,788 06/067
CALIFORNIA San Bernardino County Los Angeles-South Coast Air Basin, CA Part 1,583,657 06/071
CALIFORNIA San Bernardino County Southeast Desert Modified AQMA, CA Part 427,842 06/071
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 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 206,433 06/095
CALIFORNIA Solano County San Francisco Bay Area, CA Part 206,929 06/095
CALIFORNIA Sonoma County San Francisco Bay Area, CA Part 436,512 06/097
CALIFORNIA Stanislaus County San Joaquin Valley, CA Whole 514,453 06/099
CALIFORNIA Sutter County Sacramento Metro, CA Part 30,023 06/101
CALIFORNIA Sutter County Yuba City, CA Part 64,717 06/101
CALIFORNIA Tulare County San Joaquin Valley, CA Whole 442,179 06/107
CALIFORNIA Ventura County Ventura Co, CA Whole 823,318 06/111
CALIFORNIA Yolo County Sacramento Metro, CA Whole 200,849 06/113
CALIFORNIA Yuba County Yuba City, CA Whole 72,155 06/115
CONNECTICUT Fairfield County Greater Connecticut, CT Part 39,559 09/001
CONNECTICUT Fairfield County New York-N. New Jersey-Long Island, NY-NJ-CT Part 877,270 09/001
CONNECTICUT Hartford County Greater Connecticut, CT Whole 894,014 09/003
CONNECTICUT Litchfield County Greater Connecticut, CT Part 160,058 09/005
CONNECTICUT Litchfield County New York-N. New Jersey-Long Island, NY-NJ-CT Part 30,172 09/005
CONNECTICUT Middlesex County Greater Connecticut, CT Whole 165,676 09/007
CONNECTICUT New Haven County Greater Connecticut, 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 Kent County Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD Whole 162,310 10/001
DELAWARE New Castle County Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD Whole 538,479 10/003
DELAWARE Sussex County Sussex Co, DE Whole 197,145 10/005
DISTRICT OF COLUMBIA District of Columbia Washington, DC-MD-VA Whole 601,723 11/001
ILLINOIS Cook County Chicago-Gary-Lake County, IL-IN Whole 5,194,675 17/031
ILLINOIS DuPage County Chicago-Gary-Lake County, IL-IN Whole 916,924 17/043
ILLINOIS Grundy County Chicago-Gary-Lake County, IL-IN Part 14,735 17/063
ILLINOIS Kane County Chicago-Gary-Lake County, IL-IN Whole 515,269 17/089
ILLINOIS Kendall County Chicago-Gary-Lake County, IL-IN Part 30,355 17/093
ILLINOIS Lake County Chicago-Gary-Lake County, IL-IN Whole 703,462 17/097
ILLINOIS McHenry County Chicago-Gary-Lake County, IL-IN Whole 308,760 17/111
ILLINOIS Will County Chicago-Gary-Lake County, IL-IN Whole 677,560 17/197
INDIANA Lake County Chicago-Gary-Lake County, IL-IN Whole 496,005 18/089
INDIANA Porter County Chicago-Gary-Lake County, IL-IN Whole 164,343 18/127
LOUISIANA Ascension Parish Baton Rouge, LA Whole 107,215 22/005
LOUISIANA East Baton Rouge Parish Baton Rouge, LA Whole 440,171 22/033
LOUISIANA Iberville Parish Baton Rouge, LA Whole 33,387 22/047
LOUISIANA Livingston Parish Baton Rouge, LA Whole 128,026 22/063
LOUISIANA West Baton Rouge Parish Baton Rouge, LA Whole 23,788 22/121
MAINE Androscoggin County Lewiston-Auburn, ME Whole 107,702 23/001
MAINE Cumberland County Portland, ME Whole 281,674 23/005
MAINE Kennebec County Lewiston-Auburn, ME Whole 122,151 23/011
MAINE Knox County Knox & Lincoln Co.s, ME Whole 39,736 23/013
MAINE Lincoln County Knox & Lincoln Co.s, ME Whole 34,457 23/015
MAINE Sagadahoc County Portland, ME Whole 35,293 23/023
MAINE York County Portland, ME Whole 197,131 23/031
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-Trenton, PA-NJ-DE-MD 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
MASSACHUSETTS Barnstable County Boston-Lawrence-Worcester (E. Mass), MA-NH Whole 215,888 25/001
MASSACHUSETTS Berkshire County Springfield (Western MA), MA Whole 131,219 25/003
MASSACHUSETTS Bristol County Boston-Lawrence-Worcester (E. Mass), MA-NH Whole 548,285 25/005
MASSACHUSETTS Dukes County Boston-Lawrence-Worcester (E. Mass), MA-NH Whole 16,535 25/007
MASSACHUSETTS Essex County Boston-Lawrence-Worcester (E. Mass), MA-NH Whole 743,159 25/009
MASSACHUSETTS Franklin County Springfield (Western MA), MA Whole 71,372 25/011
MASSACHUSETTS Hampden County Springfield (Western MA), MA Whole 463,490 25/013
MASSACHUSETTS Hampshire County Springfield (Western MA), MA Whole 158,080 25/015
MASSACHUSETTS Middlesex County Boston-Lawrence-Worcester (E. Mass), MA-NH Whole 1,503,085 25/017
MASSACHUSETTS Nantucket County Boston-Lawrence-Worcester (E. Mass), MA-NH Whole 10,172 25/019
MASSACHUSETTS Norfolk County Boston-Lawrence-Worcester (E. Mass), MA-NH Whole 670,850 25/021
MASSACHUSETTS Plymouth County Boston-Lawrence-Worcester (E. Mass), MA-NH Whole 494,919 25/023
MASSACHUSETTS Suffolk County Boston-Lawrence-Worcester (E. Mass), MA-NH Whole 722,023 25/025
MASSACHUSETTS Worcester County Boston-Lawrence-Worcester (E. Mass), MA-NH Whole 798,552 25/027
NEVADA Washoe County Reno, NV Whole 421,407 32/031
NEW HAMPSHIRE Cheshire County Cheshire Co, NH Whole 77,117 33/005
NEW HAMPSHIRE Hillsborough County Boston-Lawrence-Worcester (E. Mass), MA-NH Part 202,700 33/011
NEW HAMPSHIRE Hillsborough County Manchester, NH Part 198,021 33/011
NEW HAMPSHIRE Merrimack County Manchester, NH Whole 146,445 33/013
NEW HAMPSHIRE Rockingham County Boston-Lawrence-Worcester (E. Mass), MA-NH Part 164,200 33/015
NEW HAMPSHIRE Rockingham County Manchester, NH Part 47,768 33/015
NEW HAMPSHIRE Rockingham County Portsmouth-Dover-Rochester, NH Part 83,255 33/015
NEW HAMPSHIRE Strafford County Portsmouth-Dover-Rochester, NH Whole 123,143 33/017
NEW JERSEY Atlantic County Atlantic City, NJ Whole 274,549 34/001
NEW JERSEY Bergen County New York-N. New Jersey-Long Island, NY-NJ-CT Whole 905,116 34/003
NEW JERSEY Burlington County Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD Whole 448,734 34/005
NEW JERSEY Camden County Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD Whole 513,657 34/007
NEW JERSEY Cape May County Atlantic City, NJ Whole 97,265 34/009
NEW JERSEY Cumberland County Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD Whole 156,898 34/011
NEW JERSEY Essex County New York-N. New Jersey-Long Island, NY-NJ-CT Whole 783,969 34/013
NEW JERSEY Gloucester County Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD Whole 288,288 34/015
NEW JERSEY Hudson County New York-N. New Jersey-Long Island, NY-NJ-CT Whole 634,266 34/017
NEW JERSEY Hunterdon County New York-N. New Jersey-Long Island, NY-NJ-CT Whole 128,349 34/019
NEW JERSEY Mercer County Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD Whole 366,513 34/021
NEW JERSEY Middlesex County New York-N. New Jersey-Long Island, NY-NJ-CT Whole 809,858 34/023
NEW JERSEY Monmouth County New York-N. New Jersey-Long Island, NY-NJ-CT Whole 630,380 34/025
NEW JERSEY Morris County New York-N. New Jersey-Long Island, NY-NJ-CT Whole 492,276 34/027
NEW JERSEY Ocean County New York-N. New Jersey-Long Island, NY-NJ-CT Whole 576,567 34/029
NEW JERSEY Passaic County New York-N. New Jersey-Long Island, NY-NJ-CT Whole 501,226 34/031
NEW JERSEY Salem County Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD Whole 66,083 34/033
NEW JERSEY Somerset County New York-N. New Jersey-Long Island, NY-NJ-CT Whole 323,444 34/035
NEW JERSEY Sussex County New York-N. New Jersey-Long Island, NY-NJ-CT Whole 149,265 34/037
NEW JERSEY Union County New York-N. New Jersey-Long Island, NY-NJ-CT Whole 536,499 34/039
NEW JERSEY Warren County Allentown-Bethlehem-Easton, PA-NJ Whole 108,692 34/041
NEW MEXICO Dona Ana County Sunland Park, NM (New Area 1995) Part 12,345 35/013
NEW YORK Albany County Albany-Schenectady-Troy, NY Whole 304,204 36/001
NEW YORK Bronx County New York-N. New Jersey-Long Island, NY-NJ-CT Whole 1,385,108 36/005
NEW YORK Dutchess County Poughkeepsie, NY Whole 297,488 36/027
NEW YORK Erie County Buffalo-Niagara Falls, NY Whole 919,040 36/029
NEW YORK Essex County Essex Co, NY Part 0 36/031
NEW YORK Greene County Albany-Schenectady-Troy, NY Whole 49,221 36/039
NEW YORK Jefferson County Jefferson Co, NY Whole 116,229 36/045
NEW YORK Kings County New York-N. New Jersey-Long Island, NY-NJ-CT Whole 2,504,700 36/047
NEW YORK Montgomery County Albany-Schenectady-Troy, NY Whole 50,219 36/057
NEW YORK Nassau County New York-N. New Jersey-Long Island, NY-NJ-CT Whole 1,339,532 36/059
NEW YORK New York County New York-N. New Jersey-Long Island, NY-NJ-CT Whole 1,585,873 36/061
NEW YORK Niagara County Buffalo-Niagara Falls, NY Whole 216,469 36/063
NEW YORK Orange County New York-N. New Jersey-Long Island, NY-NJ-CT Part 129,455 36/071
NEW YORK Orange County Poughkeepsie, NY Part 243,358 36/071
NEW YORK Putnam County Poughkeepsie, NY Whole 99,710 36/079
NEW YORK Queens County New York-N. New Jersey-Long Island, NY-NJ-CT Whole 2,230,722 36/081
NEW YORK Rensselaer County Albany-Schenectady-Troy, NY Whole 159,429 36/083
NEW YORK Richmond County New York-N. New Jersey-Long Island, NY-NJ-CT Whole 468,730 36/085
NEW YORK Rockland County New York-N. New Jersey-Long Island, NY-NJ-CT Whole 311,687 36/087
NEW YORK Saratoga County Albany-Schenectady-Troy, NY Whole 219,607 36/091
NEW YORK Schenectady County Albany-Schenectady-Troy, NY Whole 154,727 36/093
NEW YORK Suffolk County New York-N. New Jersey-Long Island, NY-NJ-CT Whole 1,493,350 36/103
NEW YORK Westchester County New York-N. New Jersey-Long Island, NY-NJ-CT Whole 949,113 36/119
OREGON Marion County Salem, OR Part 313,385 41/047
OREGON Polk County Salem, OR Part 75,179 41/053
PENNSYLVANIA Adams County York, PA Whole 101,407 42/001
PENNSYLVANIA Blair County Altoona, PA Whole 127,089 42/013
PENNSYLVANIA Bucks County Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD Whole 625,249 42/017
PENNSYLVANIA Cambria County Johnstown, PA Whole 143,679 42/021
PENNSYLVANIA Carbon County Allentown-Bethlehem-Easton, PA-NJ Whole 65,249 42/025
PENNSYLVANIA Chester County Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD Whole 498,886 42/029
PENNSYLVANIA Columbia County Scranton-Wilkes-Barre, PA Whole 67,295 42/037
PENNSYLVANIA Crawford County Crawford Co, PA Whole 88,765 42/039
PENNSYLVANIA Cumberland County Harrisburg-Lebanon-Carlisle, PA Whole 235,406 42/041
PENNSYLVANIA Dauphin County Harrisburg-Lebanon-Carlisle, PA Whole 268,100 42/043
PENNSYLVANIA Delaware County Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD Whole 558,979 42/045
PENNSYLVANIA Erie County Erie, PA Whole 280,566 42/049
PENNSYLVANIA Franklin County Franklin Co, PA Whole 149,618 42/055
PENNSYLVANIA Greene County Greene Co, PA Whole 38,686 42/059
PENNSYLVANIA Juniata County Juniata Co, PA Whole 24,636 42/067
PENNSYLVANIA Lackawanna County Scranton-Wilkes-Barre, PA Whole 214,437 42/069
PENNSYLVANIA Lancaster County Lancaster, PA Whole 519,445 42/071
PENNSYLVANIA Lawrence County Lawrence Co, PA Whole 91,108 42/073
PENNSYLVANIA Lebanon County Harrisburg-Lebanon-Carlisle, PA Whole 133,568 42/075
PENNSYLVANIA Lehigh County Allentown-Bethlehem-Easton, PA-NJ Whole 349,497 42/077
PENNSYLVANIA Luzerne County Scranton-Wilkes-Barre, PA Whole 320,918 42/079
PENNSYLVANIA Mercer County Youngstown-Warren-Sharon, OH-PA (PA portion) Whole 116,638 42/085
PENNSYLVANIA Monroe County Scranton-Wilkes-Barre, PA Whole 169,842 42/089
PENNSYLVANIA Montgomery County Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD Whole 799,874 42/091
PENNSYLVANIA Northampton County Allentown-Bethlehem-Easton, PA-NJ Whole 297,735 42/095
PENNSYLVANIA Northumberland County Northumberland Co, PA Whole 94,528 42/097
PENNSYLVANIA Perry County Harrisburg-Lebanon-Carlisle, PA Whole 45,969 42/099
PENNSYLVANIA Philadelphia County Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD Whole 1,526,006 42/101
PENNSYLVANIA Pike County Pike Co, PA Whole 57,369 42/103
PENNSYLVANIA Schuylkill County Schuylkill Co, PA Whole 148,289 42/107
PENNSYLVANIA Snyder County Snyder Co, PA Whole 39,702 42/109
PENNSYLVANIA Somerset County Johnstown, PA Whole 77,742 42/111
PENNSYLVANIA Susquehanna County Susquehanna Co, PA Whole 43,356 42/115
PENNSYLVANIA Warren County Warren Co, PA Whole 41,815 42/123
PENNSYLVANIA Wayne County Wayne Co, PA Whole 52,822 42/127
PENNSYLVANIA Wyoming County Scranton-Wilkes-Barre, PA Whole 28,276 42/131
PENNSYLVANIA York County York, PA Whole 434,972 42/133
RHODE ISLAND Bristol County Providence (all of RI), RI Whole 49,875 44/001
RHODE ISLAND Kent County Providence (all of RI), RI Whole 166,158 44/003
RHODE ISLAND Newport County Providence (all of RI), RI Whole 82,888 44/005
RHODE ISLAND Providence County Providence (all of RI), RI Whole 626,667 44/007
RHODE ISLAND Washington County Providence (all of RI), RI Whole 126,979 44/009
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 El Paso County El Paso, TX Whole 800,647 48/141
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 Hardin County Beaumont-Port Arthur, TX Whole 54,635 48/199
TEXAS Harris County Houston-Galveston-Brazoria, TX Whole 4,092,459 48/201
TEXAS Jefferson County Beaumont-Port Arthur, TX Whole 252,273 48/245
TEXAS Liberty County Houston-Galveston-Brazoria, TX Whole 75,643 48/291
TEXAS Montgomery County Houston-Galveston-Brazoria, TX Whole 455,746 48/339
TEXAS Orange County Beaumont-Port Arthur, TX Whole 81,837 48/361
TEXAS Tarrant County Dallas-Fort Worth, TX Whole 1,809,034 48/439
TEXAS Waller County Houston-Galveston-Brazoria, TX Whole 43,205 48/473
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
VIRGINIA Smyth County Smyth Co, VA (White Top Mtn) Part 0 51/173
VIRGINIA Stafford County Washington, DC-MD-VA Whole 128,961 51/179
WISCONSIN Kenosha County Milwaukee-Racine, WI Whole 166,426 55/059
WISCONSIN Milwaukee County Milwaukee-Racine, WI Whole 947,735 55/079
WISCONSIN Ozaukee County Milwaukee-Racine, WI Whole 86,395 55/089
WISCONSIN Racine County Milwaukee-Racine, WI Whole 195,408 55/101
WISCONSIN Washington County Milwaukee-Racine, WI Whole 131,887 55/131
WISCONSIN Waukesha County Milwaukee-Racine, WI Whole 389,891 55/133


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