Carbon Monoxide (1971)
ALASKA
AK
02
020
Anchorage Municipality
P
PM-10 (1987)
090
Fairbanks North Star Borough
PM-2.5 (2006)
110
Juneau City and Borough
Sulfur Dioxide (1971)
ALABAMA
AL
01
033
Colbert Co
PM-2.5 (1997)
071
Jackson Co
1-Hour Ozone (1979)
Revoked
073
Jefferson Co
W
8-Hour Ozone (1997)
Lead (1978)
077
Lauderdale Co
Lead (2008)
109
Pike Co
117
Shelby Co
127
Walker Co
ARKANSAS
AR
05
035
Crittenden Co
8-Hour Ozone (2008)
ARIZONA
AZ
04
003
Cochise Co
8-Hour Ozone (2015)
007
Gila Co
Sulfur Dioxide (2010)
011
Greenlee Co
013
Maricopa Co
015
Mohave Co
019
Pima Co
021
Pinal Co
023
Santa Cruz Co
027
Yuma Co
CALIFORNIA
CA
06
001
Alameda Co
005
Amador Co
Butte Co
009
Calaveras Co
Contra Costa Co
017
El Dorado Co
Fresno Co
PM-2.5 (2012)
025
Imperial Co
Inyo Co
029
Kern Co
031
Kings Co
037
Los Angeles Co
Nitrogen Dioxide (1971)
039
Madera Co
041
Marin Co
043
Mariposa Co
047
Merced Co
051
Mono Co
053
Monterey Co
055
Napa Co
057
Nevada Co
059
Orange Co
061
Placer Co
063
Plumas Co
065
Riverside Co
067
Sacramento Co
069
San Benito Co
San Bernardino Co
San Diego Co
075
San Francisco Co
San Joaquin Co
079
San Luis Obispo Co
081
San Mateo Co
083
Santa Barbara Co
085
Santa Clara Co
087
095
Solano Co
097
Sonoma Co
099
Stanislaus Co
101
Sutter Co
103
Tehama Co
107
Tulare Co
Tuolumne Co
111
Ventura Co
113
Yolo Co
115
Yuba Co
COLORADO
CO
08
Adams Co
Arapahoe Co
Archuleta Co
Boulder Co
014
Broomfield Co
Denver Co
Douglas Co
El Paso Co
Fremont Co
Larimer Co
Pitkin Co
Prowers Co
Routt Co
San Miguel Co
119
Teller Co
123
Weld Co
CONNECTICUT
CT
09
Fairfield Co
Hartford Co
Litchfield Co
Middlesex Co
New Haven Co
New London Co
Tolland Co
Windham Co
DISTRICT OF COLUMBIA
DC
11
District of Columbia
Entire District
DELAWARE
DE
10
Kent Co
New Castle Co
Sussex Co
FLORIDA
FL
12
Broward Co
Duval Co
Hillsborough Co
086
Miami-Dade Co
089
Nassau Co
Palm Beach Co
Pinellas Co
105
Polk Co
GEORGIA
GA
13
Barrow Co
Bartow Co
Bibb Co
045
Carroll Co
Catoosa Co
Cherokee Co
Clayton Co
Cobb Co
Coweta Co
De Kalb Co
DeKalb Co
Fayette Co
Floyd Co
Forsyth Co
121
Fulton Co
135
Gwinnett Co
139
Hall Co
149
Heard Co
151
Henry Co
207
Monroe Co
213
Murray Co
215
Muscogee Co
217
Newton Co
223
Paulding Co
237
Putnam Co
247
Rockdale Co
255
Spalding Co
295
297
Walton Co
GUAM
GU
66
010
Guam
Piti-Cabras
IOWA
IA
19
Muscatine Co
155
Pottawattamie Co
IDAHO
ID
16
Ada Co
Bannock Co
Bonner Co
Franklin Co
Power Co
Shoshone Co
ILLINOIS
IL
17
Cook Co
Du Page Co
DuPage Co
Grundy Co
Jersey Co
Kane Co
093
Kendall Co
La Salle Co
Lake Co
Madison Co
Mc Henry Co
McHenry County
133
Monroe County
143
Peoria Co
157
Randolph Co
163
St Clair Co
St. Clair Co
179
Tazewell Co
197
Will Co
INDIANA
IN
18
Allen Co
Boone Co
Clark Co
Daviess Co
Dearborn Co
Delaware Co
Dubois Co
Elkhart Co
Gibson Co
Greene Co
Hamilton Co
Hancock Co
Hendricks Co
Huntington Co
Johnson Co
091
La Porte Co
Marion Co
Morgan Co
125
Porter Co
Porter County
145
147
Spencer Co
141
St Joseph Co
Vanderburgh Co
165
Vermillion Co
167
Vigo Co
173
Warrick Co
177
Wayne Co
KANSAS
KS
20
169
Saline Co
KENTUCKY
KY
21
Boyd Co
Bullitt Co
Campbell Co
Christian Co
Edmonson Co
Greenup Co
Henderson Co
Kenton Co
Lawrence Co
Livingston Co
Marshall Co
Muhlenberg Co
185
Oldham Co
209
Scott Co
233
Webster Co
LOUISIANA
LA
22
Ascension Par
Beauregard Par
Calcasieu Par
East Baton Rouge Par
Evangeline Par
Grant Par
Iberville Par
Jefferson Par
Lafayette Par
Lafourche Par
Livingston Par
Orleans Par
Pointe Coupee Par
St Bernard Par
St Charles Par
St James Par
St Mary Par
West Baton Rouge Par
MASSACHUSETTS
MA
25
Barnstable Co
Berkshire Co
Bristol Co
Dukes Co
Essex Co
Hampden Co
Hampshire Co
Nantucket Co
Norfolk Co
Plymouth Co
Suffolk Co
Worcester Co
MARYLAND
MD
24
Anne Arundel Co
510
Baltimore (City)
Baltimore Co
Baltimore city
Calvert Co
Cecil Co
Charles Co
Frederick Co
Harford Co
Howard Co
Montgomery Co
Prince George's Co
Queen Annes Co
Washington Co
MAINE
ME
23
Androscoggin Co
Aroostook Co
Cumberland Co
Kennebec Co
Knox Co
Lincoln Co
Penobscot Co
Sagadahoc Co
Waldo Co
York Co
MICHIGAN
MI
26
Allegan Co
Bay Co
Benzie Co
Berrien Co
Calhoun Co
Cass Co
Clinton Co
Eaton Co
049
Genesee Co
Huron Co
Ingham Co
Ionia Co
Kalamazoo Co
Lapeer Co
Lenawee Co
Macomb Co
Mason Co
Midland Co
Muskegon Co
Oakland Co
Ottawa Co
Saginaw Co
159
Van Buren Co
161
Washtenaw Co
MINNESOTA
MN
27
Anoka Co
Carver Co
Dakota Co
Hennepin Co
Olmsted Co
Ramsey Co
137
St Louis Co
171
Wright Co
MISSOURI
MO
29
Dent Co
Iron Co
Jefferson County
New Madrid Co
Reynolds Co
183
St Charles Co
St Louis
189
St. Charles Co
St. Louis Co
St. Louis city
MISSISSIPPI
MS
28
De Soto Co
MONTANA
MT
30
Cascade Co
Flathead Co
Lewis And Clark Co
Missoula Co
Rosebud Co
Sanders Co
Silver Bow Co
Yellowstone Co
NORTH CAROLINA
NC
37
Cabarrus Co
Catawba Co
Chatham Co
Davidson Co
Davie Co
Durham Co
Edgecombe Co
Gaston Co
Granville Co
Guilford Co
Haywood Co
Iredell Co
Johnston Co
Mecklenburg Co
Nash Co
Person Co
Rowan Co
Swain Co
Union Co
Wake Co
NEBRASKA
NE
31
NEW HAMPSHIRE
NH
33
Cheshire Co
Merrimack Co
Rockingham Co
Strafford Co
NEW JERSEY
NJ
34
Atlantic Co
Bergen Co
Burlington Co
Camden Co
Cape May Co
Gloucester Co
Hudson Co
Hunterdon Co
Mercer Co
Monmouth Co
Morris Co
Ocean Co
Passaic Co
Salem Co
Somerset Co
Warren Co
NEW MEXICO
NM
35
Bernalillo Co
Dona Ana Co
Grant Co
NEVADA
NV
32
Carson City
Washoe Co
White Pine Co
NEW YORK
NY
36
Albany Co
Bronx Co
Chautauqua Co
Dutchess Co
Erie Co
New York Co
Niagara Co
Onondaga Co
Ontario Co
Orleans Co
Queens Co
Rensselaer Co
Richmond Co
Rockland Co
Saratoga Co
Schenectady Co
Schoharie Co
St. Lawrence Co
Westchester Co
OHIO
OH
39
Ashtabula Co
Belmont Co
Butler Co
Clermont Co
Columbiana Co
Coshocton Co
Cuyahoga Co
Gallia Co
Geauga Co
Licking Co
Logan Co
Lorain Co
Lucas Co
Mahoning Co
Medina Co
Miami Co
Portage Co
Preble Co
Scioto Co
Stark Co
Stark County
153
Summit Co
Trumbull Co
Wood Co
OREGON
OR
41
Clackamas Co
Josephine Co
Klamath Co
Lane Co
Multnomah Co
PENNSYLVANIA
PA
42
Allegheny Co
Armstrong Co
Beaver Co
Berks Co
Blair Co
Bucks Co
Cambria Co
Carbon Co
Centre Co
Chester Co
Clearfield Co
Columbia Co
Crawford Co
Dauphin Co
Indiana Co
Juniata Co
Lackawanna Co
Lancaster Co
Lebanon Co
Lehigh Co
Luzerne Co
Northampton Co
Northumberland Co
Perry Co
Philadelphia Co
Schuylkill Co
Snyder Co
Susquehanna Co
Tioga Co
129
Westmoreland Co
131
Wyoming Co
PUERTO RICO
PR
72
Arecibo Municipio
Bayamon Co
Catano Co
Guaynabo Co
Salinas Municipio
San Juan Municipio
Toa Baja Co
RHODE ISLAND
RI
44
Newport Co
Providence Co
SOUTH CAROLINA
SC
45
TENNESSEE
TN
47
Anderson Co
Benton Co
Blount Co
Cocke Co
Humphreys Co
Loudon Co
Roane Co
Rutherford Co
Sevier Co
Sullivan Co
Sumner Co
187
Williamson Co
Wilson Co
TEXAS
TX
48
Bexar Co
Brazoria Co
Chambers Co
Collin Co
Dallas Co
Denton Co
El Paso County
Ellis Co
Fort Bend Co
Freestone Co
Galveston Co
199
Hardin Co
201
Harris Co
227
Hutchinson Co
245
251
257
Kaufman Co
291
Liberty Co
339
349
Navarro Co
361
365
Panola Co
367
Parker Co
397
Rockwall Co
401
Rusk Co
439
Tarrant Co
449
Titus Co
469
Victoria Co
473
Waller Co
497
Wise Co
UTAH
UT
49
Box Elder Co
Cache Co
Davis Co
Duchesne Co
Salt Lake Co
Tooele Co
Uintah Co
Utah Co
Weber Co
VIRGINIA
VA
51
Alexandria
Alexandria city
Arlington Co
036
Charles City Co
550
Chesapeake
Chesterfield Co
570
Colonial Heights
600
Fairfax
Fairfax Co
Fairfax city
610
Falls Church
Falls Church city
630
Fredericksburg
Giles Co
650
Hampton
Hanover Co
Henrico Co
670
Hopewell
Isle Of Wight Co
James City Co
Loudoun Co
683
Manassas
685
Manassas Park
Manassas Park city
Manassas city
700
Newport News
710
Norfolk
Page Co
730
Petersburg
735
Poquoson
740
Portsmouth
Prince George Co
Prince William Co
760
Richmond
Smyth Co
Spotsylvania Co
Stafford Co
800
Suffolk
810
Virginia Beach
830
Williamsburg
WASHINGTON
WA
53
King Co
Pierce Co
Snohomish Co
Spokane Co
Thurston Co
Walla Walla Co
Whatcom Co
Yakima Co
WISCONSIN
WI
55
Dane Co
Door Co
Kenosha Co
Kewaunee Co
Manitowoc Co
Marathon Co
Milwaukee Co
Oneida Co
Ozaukee Co
Racine Co
Racine County
Sheboygan Co
Walworth Co
Washington County
Waukesha Co
Waukesha County
WEST VIRGINIA
WV
54
Berkeley Co
Brooke Co
Cabell Co
Greenbrier Co
Kanawha Co
Ohio Co
Pleasants Co
WYOMING
WY
56
Sheridan Co
Sublette Co
Sweetwater Co