ALABAMA
AL
Colbert County
Sulfur Dioxide (1971)
Colbert County (part); TVA Colbert Plant, AL
92
Secondary
P
01
033
C
SO2.1978.Colbert_Co
Jackson County
PM-2.5 (1997)
Chattanooga, TN-GA-AL
05
06
07
08
09
10
11
12
13
Moderate
071
e
PM-2.5.1997.Chattanooga
Jefferson County
1-Hour Ozone (1979)
Revoked
Birmingham, AL
93
94
95
96
97
98
99
00
02
03
Marginal
W
073
G
Ozone_1-hr.1990.Birmingham
8-Hour Ozone (1997)
04
Former Subpart 1
g
Ozone_8-hr.1997.Birmingham
Lead (1978)
Jefferson County, AL
A
Lead.1992.Birmingham
PM-2.5.1997.Birmingham
PM-2.5 (2006)
PM-2.5.2006.Birmingham
Lauderdale County
Lauderdale County (part); TVA Colbert Plant, AL
077
SO2.1978.Lauderdale_Co
Pike County
Lead (2008)
Troy, AL
14
15
16
17
109
Lead.2008.Troy
Shelby County
117
Walker County
127
ALASKA
AK
Anchorage Municipality
Carbon Monoxide (1971)
Anchorage, AK
Serious
020
CO.1990.Anchorage
PM-10 (1987)
Anchorage; Eagle River, AK
B
PM-10.1990.Anchorage
Fairbanks North Star Borough
Fairbanks, AK
090
CO.1990.Fairbanks
18
19
20
21
22
23
24
Yes
d
PM-2.5.2006.Fairbanks
Juneau City and Borough
Juneau; Mendenhall Valley area, AK
110
PM-10.1990.Juneau
ARIZONA
AZ
Cochise County
Cochise County; Paul Spur/Douglas planning area, AZ
003
PM-10.1990.Douglas
Douglas (Cochise County), AZ
Primary
SO2.1978.Douglas
Gila County
8-Hour Ozone (2015)
Phoenix-Mesa, AZ
007
Ozone_8-hr.2015.Phoenix
Hayden, AZ
Lead.2008.Hayden
Gila County (part): Payson, AZ
PM-10.1990.Payson
PM-10.1990.Hayden
Miami, AZ
PM-10.1990.Miami
Miami (Gila County), AZ
SO2.1978.Miami
Sulfur Dioxide (2010)
SO2.2010.Hayden
SO2.2010.Miami
Greenlee County
Morenci (Greenlee County), AZ
011
SO2.1978.Morenci
Maricopa County
Phoenix, AZ
013
D
Ozone_1-hr.1990.Phoenix
f
Ozone_8-hr.1997.Phoenix
8-Hour Ozone (2008)
Ozone_8-hr.2008.Phoenix
CO.1990.Phoenix
Maricopa and Pinal Counties; Phoenix planning area, AZ
PM-10.1990.Phoenix
Mohave County
Mohave County (part); Bullhead City, AZ
015
PM-10.1990.Bullhead_City
Pima County
Tucson, AZ
Not Classified
019
CO.1990.Tucson
Pima County; Ajo planning area, AZ
PM-10.1990.Ajo
Pima County; Rillito planning area, AZ
PM-10.1990.Rillito
Ajo (Pima County), AZ
SO2.1978.Ajo
Pinal County
021
Pinal County (part); West Pinal, AZ
PM-10.1990.Pinal_Co
West Central Pinal, AZ
PM-2.5.2006.Pinal_Co
Hayden (Pinal County), AZ
SO2.1978.Hayden
San Manual (Pinal County), AZ
SO2.1978.San_Manuel
Santa Cruz County
Santa Cruz County; Nogales planning area, AZ
023
PM-10.1990.Nogales
Nogales, AZ
PM-2.5.2006.Nogales
Yuma County
Yuma, AZ
027
Ozone_8-hr.2015.Yuma
PM-10.1990.Yuma
ARKANSAS
AR
Crittenden County
Memphis, TN-AR
035
Ozone_8-hr.1997.Memphis
Memphis, TN-MS-AR
Ozone_8-hr.2008.Memphis
CALIFORNIA
CA
Alameda County
San Francisco-Bay Area, CA
Other
001
I
Ozone_1-hr.1990.San_Francisco
San Francisco Bay Area, CA
Ozone_8-hr.1997.San_Francisco
Ozone_8-hr.2008.San_Francisco
Ozone_8-hr.2015.San_Francisco
San Francisco-Oakland-San Jose, CA
Moderate <= 12.7ppm
CO.1990.San_Francisco
PM-2.5.2006.San_Francisco
Amador County
Amador and Calaveras Cos. (Central Mountain Cos.), CA
005
Ozone_8-hr.1997.Amador_and_Calaveras_Cos
Amador County, CA
Ozone_8-hr.2015.Amador_Co
Butte County
Chico, CA
Section 185A
J
Ozone_1-hr.1990.Chico
Ozone_8-hr.1997.Chico
Chico (Butte County), CA
Ozone_8-hr.2008.Chico
Butte County, CA
Ozone_8-hr.2015.Chico
CO.1990.Chico
PM-2.5.2006.Chico
Calaveras County
009
Calaveras County, CA
Ozone_8-hr.2008.Calaveras_Co
Ozone_8-hr.2015.Calaveras_Co
Contra Costa County
El Dorado County
Sacramento Metro, CA
Severe-15
017
Ozone_1-hr.1990.Sacramento
Severe 15
c
Ozone_8-hr.1997.Sacramento
Ozone_8-hr.2008.Sacramento
Ozone_8-hr.2015.Sacramento
Lake Tahoe South Shore, CA
CO.1990.Lake_Tahoe_South
Sacramento, CA
PM-2.5.2006.Sacramento
Fresno County
San Joaquin Valley, CA
Extreme
Ozone_1-hr.1990.San_Joaquin_Valley
a
Ozone_8-hr.1997.San_Joaquin_Valley
Ozone_8-hr.2008.San_Joaquin_Valley
Ozone_8-hr.2015.San_Joaquin_Valley
Fresno, CA
Moderate > 12.7ppm
CO.1990.Fresno
San Joaquin Valley Air Basin, CA
PM-10.1990.San_Joaquin_Valley
PM-2.5.1997.San_Joaquin_Valley
PM-2.5.2006.San_Joaquin_Valley
PM-2.5 (2012)
PM-2.5.2012.San_Joaquin_Valley
Imperial County
Imperial County, CA
025
Ozone_1-hr.1990.Imperial_Co
Ozone_8-hr.1997.Imperial_Co
Ozone_8-hr.2008.Imperial_Co
Ozone_8-hr.2015.Imperial_Co
Imperial Valley, CA
PM-10.1990.Imperial_Co
PM-2.5.2006.Imperial_Co
PM-2.5.2012.Imperial_Co
Inyo County
Coso Junction, CA
PM-10.1990.Coso_Junction
Inyo County; Owens Valley planning area, CA
PM-10.1990.Owens_Valley
Kern County
East Kern County, CA
029
Ozone_1-hr.1990.East_Kern
Kern County (Eastern Kern), CA
Ozone_8-hr.1997.East_Kern
Ozone_8-hr.2008.East_Kern
Ozone_8-hr.2015.East_Kern
Bakersfield, CA
CO.1990.Bakersfield
PM-10.1990.East_Kern
Indian Wells, CA
PM-10.1990.Indian_Wells
Kings County
031
Los Angeles County
Los Angeles-South Coast Air Basin, CA
037
Ozone_1-hr.1990.LA-South_Coast
Southeast Desert Modified AQMA, CA
Severe-17
Ozone_1-hr.1990.LA-Desert
Los Angeles and San Bernardino Counties (Western Mojave Desert), CA
Ozone_8-hr.1997.LA-Desert
Ozone_8-hr.1997.LA-South_Coast
Los Angeles-San Bernardino Counties (West Mojave Desert), CA
Ozone_8-hr.2008.LA-Desert
Ozone_8-hr.2008.LA-South_Coast
Ozone_8-hr.2015.LA-Desert
Ozone_8-hr.2015.LA-South_Coast
CO.1990.LA-South_Coast
Los Angeles County-South Coast Air Basin, CA
Lead.2008.LA-South_Coast
Nitrogen Dioxide (1971)
NO2.1990.LA-South_Coast
Riverside, Los Angeles, Orange, & San Bernardino Counties; South Coast Air Basin, CA
PM-10.1990.LA-South_Coast
PM-2.5.1997.LA-South_Coast
PM-2.5.2006.LA-South_Coast
PM-2.5.2012.LA-South_Coast
Madera County
039
Marin County
041
Mariposa County
Mariposa and Tuolumne Cos. (Southern Mountain Counties), CA
043
Ozone_8-hr.1997.Mariposa_and_Tuolumne_Cos
Mariposa County, CA
Ozone_8-hr.2008.Mariposa_Co
Ozone_8-hr.2015.Mariposa_Co
Merced County
047
Mono County
Mono Basin, CA
051
PM-10.1990.Mono_Basin
Mono County; Mammoth Lake planning area, CA
PM-10.1990.Mammoth_Lake
Monterey County
Monterey Bay, CA
053
E
Ozone_1-hr.1990.Monterey
Napa County
055
Nevada County
Nevada County (Western part), CA
057
Ozone_8-hr.1997.Nevada_Co
Ozone_8-hr.2008.Nevada_Co
Ozone_8-hr.2015.Nevada_Co
Orange County
059
Placer County
061
Lake Tahoe North Shore, CA
CO.1990.Lake_Tahoe_North
CO.1990.Sacramento
Plumas County
Plumas County, CA
063
PM-2.5.2012.Plumas_Co
Riverside County
065
Morongo Band of Mission Indians, CA
Ozone_1-hr.1990.Morongo
Severe 17
b
Ozone_8-hr.1997.Morongo
Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation, CA
Ozone_8-hr.1997.Pechanga
Riverside County (Coachella Valley), CA
Ozone_8-hr.1997.Coachella_Valley
Ozone_8-hr.2008.Morongo
Ozone_8-hr.2008.Pechanga
Ozone_8-hr.2008.Coachella_Valley
Ozone_8-hr.2015.Morongo
Ozone_8-hr.2015.Pechanga
Ozone_8-hr.2015.Coachella_Valley
Riverside County; Coachella Valley planning area, CA
PM-10.1990.Coachella_Valley
Sacramento County
067
Sacramento County, CA
PM-10.1990.Sacramento
San Benito County
069
San Bernardino County
San Bernardino County, CA
PM-10.1990.San_Bernardino_Co
Trona, CA
PM-10.1990.Trona
San Diego County
San Diego, CA
Ozone_1-hr.1990.San_Diego
Ozone_8-hr.1997.San_Diego
San Diego County, CA
Ozone_8-hr.2008.San_Diego
Ozone_8-hr.2015.San_Diego
CO.1990.San_Diego
San Francisco County
075
San Joaquin County
Stockton, CA
CO.1990.Stockton
San Luis Obispo County
San Luis Obispo (Eastern San Luis Obispo), CA
079
Ozone_8-hr.2008.San_Luis_Obispo
San Luis Obispo (Eastern part), CA
Ozone_8-hr.2015.San_Luis_Obispo
San Mateo County
081
Santa Barbara County
Santa Barbara-Santa Maria-Lompoc, CA
083
Ozone_1-hr.1990.Santa_Barbara
Santa Clara County
085
087
Solano County
095
Sonoma County
097
Stanislaus County
099
Modesto, CA
CO.1990.Modesto
Sutter County
101
Yuba City, CA
Ozone_1-hr.1990.Yuba_City
Sutter County (part) (Sutter Buttes), CA
Ozone_8-hr.1997.Sutter_Buttes
Sutter Buttes, CA
Ozone_8-hr.2015.Sutter_Buttes
Yuba City-Marysville, CA
PM-2.5.2006.Yuba_City
Tehama County
Tuscan Buttes, CA
103
Ozone_8-hr.2008.Tuscan_Buttes
Marginal (Rural Transport)
Ozone_8-hr.2015.Tuscan_Buttes
Tulare County
107
Tuolumne County
Tuolumne County, CA
Ozone_8-hr.2015.Tuolumne_Co
Ventura County
Ventura County, CA
111
Ozone_1-hr.1990.Ventura_Co
Ventura County (part), CA
Ozone_8-hr.1997.Ventura_Co
Ozone_8-hr.2008.Ventura_Co
Ozone_8-hr.2015.Ventura_Co
Yolo County
113
Yuba County
115
COLORADO
CO
Adams County
Denver-Boulder, CO
Ozone_1-hr.1990.Denver
Denver-Boulder-Greeley-Ft. Collins-Loveland, CO
Ozone_8-hr.1997.Denver
Ozone_8-hr.2008.Denver
Denver Metro/North Front Range, CO
Ozone_8-hr.2015.Denver
CO.1990.Denver
Adams, Denver, and Boulder Counties; Denver Metropolitan area, CO
PM-10.1990.Denver
Arapahoe County
Archuleta County
Archuleta County; Pagosa Springs, CO
PM-10.1990.Pagosa_Springs
Boulder County
Longmont, CO
CO.1990.Longmont
Broomfield County
014
Denver County
Douglas County
El Paso County
Colorado Springs, CO
CO.1990.Colorado_Springs
Fremont County
Fremont County; Canon City Area, CO
PM-10.1990.Canon_City
Larimer County
Fort Collins, CO
CO.1990.Fort_Collins
Pitkin County
Pitkin County; Aspen, CO
PM-10.1990.Aspen
Prowers County
Prowers County; Lamar, CO
PM-10.1990.Lamar
Routt County
Routt County (part); Steamboat Springs, CO
PM-10.1990.Steamboat_Springs
San Miguel County
San Miguel County; Telluride, CO
PM-10.1990.Telluride
Teller County
119
Weld County
123
Greeley, CO
CO.1990.Greeley
CONNECTICUT
CT
Fairfield County
Greater Connecticut, CT
Ozone_1-hr.1990.Connecticut
New York-N. New Jersey-Long Island, NY-NJ-CT
Ozone_1-hr.1990.New_York
Ozone_8-hr.1997.New_York
Ozone_8-hr.2008.New_York
New York-Northern New Jersey-Long Island, NY-NJ-CT
Ozone_8-hr.2015.New_York
New Haven-Meriden-Waterbury, CT
CO.1990.New_Haven
CO.1990.New_York
PM-2.5.1997.New_York
PM-2.5.2006.New_York
Hartford County
Ozone_8-hr.1997.Connecticut
Ozone_8-hr.2008.Connecticut
Ozone_8-hr.2015.Connecticut
Hartford-New Britain-Middletown, CT
CO.1990.Hartford
Litchfield County
Middlesex County
New Haven County
New London County
Tolland County
Windham County
DELAWARE
DE
Kent County
Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD
Ozone_1-hr.1990.Philadelphia
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE
Ozone_8-hr.1997.Philadelphia
New Castle County
Ozone_8-hr.2008.Philadelphia
Ozone_8-hr.2015.Philadelphia
Philadelphia-Wilmington, PA-NJ-DE
PM-2.5.1997.Philadelphia
PM-2.5.2006.Philadelphia
Sussex County
Sussex County, DE
Ozone_1-hr.1990.Sussex_Co
Seaford, DE
Ozone_8-hr.2008.Sussex_Co
DISTRICT OF COLUMBIA
DC
District of Columbia
Washington, DC-MD-VA
Ozone_1-hr.1990.Washington
Ozone_8-hr.1997.Washington
Ozone_8-hr.2008.Washington
Ozone_8-hr.2015.Washington
CO.1990.Washington
PM-2.5.1997.Washington
FLORIDA
FL
Broward County
Miami-Fort Lauderdale-W. Palm Beach, FL
Ozone_1-hr.1990.Miami
Duval County
Jacksonville, FL
Ozone_1-hr.1990.Jacksonville
Hillsborough County
Tampa-St. Petersburg-Clearwater, FL
Ozone_1-hr.1990.Tampa
Tampa, FL
Lead.2008.Tampa
Hillsborough County, FL
SO2.2010.Tampa
Hillsborough-Polk County, FL
SO2.2010.Hillsborough_Polk_Cos
Miami-Dade County
086
Nassau County
Nassau County, FL
089
SO2.2010.Nassau_Co
Palm Beach County
Pinellas County
Polk County
105
GEORGIA
GA
Barrow County
Atlanta, GA
Ozone_8-hr.1997.Atlanta
PM-2.5.1997.Atlanta
Bartow County
Ozone_8-hr.2008.Atlanta
Ozone_8-hr.2015.Atlanta
Bibb County
Macon, GA
Ozone_8-hr.1997.Macon
PM-2.5.1997.Macon
Carroll County
045
Catoosa County
Cherokee County
Ozone_1-hr.1990.Atlanta
Clayton County
Cobb County
Coweta County
DeKalb County
Fayette County
Floyd County
Rome, GA
PM-2.5.1997.Rome
Forsyth County
Fulton County
121
Gwinnett County
135
Hall County
139
Heard County
149
Henry County
151
Monroe County
207
Murray County
Murray County (Chattahoochee Nat Forest), GA
213
Ozone_8-hr.1997.Murray_Co
Muscogee County
Muscogee County, GA
215
Lead.1992.Muscogee_Co
Newton County
217
Paulding County
223
Putnam County
237
Rockdale County
247
Spalding County
255
295
Walton County
297
GUAM
GU
Guam
Piti, GU
66
010
SO2.1978.Piti
Tanguisson, GU
SO2.1978.Tanguisson
Piti-Cabras, GU
SO2.2010.Piti-Cabras
IDAHO
ID
Ada County
Boise-Northern Ada County, ID
CO.1990.Boise
Ada County; Boise, ID
PM-10.1990.Boise
Bannock County
Power-Bannock Counties; Fort Hall Indian Reservation, ID
PM-10.1990.Fort_Hall
Power-Bannock Counties; Portneuf Valley Area, ID
PM-10.1990.Portneuf_Valley
Bonner County
Bonner County; The Sandpoint Area, ID
PM-10.1990.Sandpoint
Franklin County
Logan, UT-ID
PM-2.5.2006.Logan
Power County
Shoshone County
Shoshone County; City of Pinehurst, ID
PM-10.1990.Pinehurst
Shoshone County; Pinehurst Expansion Area, ID
PM-10.1990.Shoshone_Co_ex_Pinehurst
West Silver Valley, ID
PM-2.5.2012.West_Silver_Valley
ILLINOIS
IL
Cook County
Chicago-Gary-Lake County, IL-IN
Ozone_1-hr.1990.Chicago
Ozone_8-hr.1997.Chicago
Chicago-Naperville, IL-IN-WI
Ozone_8-hr.2008.Chicago
Chicago, IL-IN-WI
Ozone_8-hr.2015.Chicago
Chicago, IL
Lead.2008.Chicago
Cook County; Lyons Township, IL
PM-10.1990.Lyons
Cook County; Southeast Chicago, IL
PM-10.1990.Chicago
PM-2.5.1997.Chicago
Lemont, IL
SO2.2010.Lemont
DuPage County
Grundy County
Jersey County
Jersey County, IL
Ozone_1-hr.1990.Jersey_Co
St. Louis, MO-IL
Ozone_8-hr.1997.St_Louis
Kane County
Kendall County
093
LaSalle County
LaSalle County; Oglesby, IL
PM-10.1990.Oglesby
Lake County
Madison County
Ozone_1-hr.1990.St_Louis
St. Louis-St. Charles-Farmington, MO-IL
Ozone_8-hr.2008.St_Louis
Ozone_8-hr.2015.St_Louis
Granite City, IL
Lead.2008.Granite_City
Madison County; Granite City Township and Nameoki Township, IL
PM-10.1990.Granite_City
PM-2.5.1997.St_Louis
Alton Township, IL
SO2.2010.Alton
McHenry County
133
Peoria County
Peoria County: Hollis twp, IL
Primary, Secondary
143
SO2.1978.Hollis
Peoria, IL
SO2.1978.Peoria
Pekin, IL
SO2.2010.Pekin
Randolph County
157
St. Clair County
163
Tazewell County
Tazewell County: Groveland twp, IL
179
SO2.1978.Groveland
Will County
197
INDIANA
IN
Allen County
Fort Wayne, IN
Ozone_8-hr.1997.Fort_Wayne
Boone County
Indianapolis, IN
Ozone_8-hr.1997.Indianapolis
Clark County
Louisville, KY-IN
Ozone_1-hr.1990.Louisville
Ozone_8-hr.1997.Louisville
Ozone_8-hr.2015.Louisville
PM-2.5.1997.Louisville
Daviess County
Southwest Indiana, IN
SO2.2010.Daviess_Co
Dearborn County
Cincinnati-Hamilton, OH-KY-IN
Ozone_8-hr.1997.Cincinnati
Cincinnati, OH-KY-IN
Ozone_8-hr.2008.Cincinnati
PM-2.5.1997.Cincinnati
Delaware County
Muncie, IN
Ozone_8-hr.1997.Muncie
Lead.2008.Muncie
Dubois County
Evansville, IN
PM-2.5.1997.Evansville
Elkhart County
South Bend-Elkhart, IN
Ozone_1-hr.1990.South_Bend
Ozone_8-hr.1997.South_Bend
Gibson County
Greene County
Greene County, IN
Ozone_8-hr.1997.Greene_Co_IN
Hamilton County
PM-2.5.1997.Indianapolis
Hancock County
Hendricks County
Huntington County
Huntington, IN
SO2.2010.Huntington_IN
Jackson County, IN
Ozone_8-hr.1997.Jackson_Co
Johnson County
LaPorte County
La Porte County, IN
091
Ozone_8-hr.1997.La_Porte_Co
SO2.1978.La_Porte_Co
East Chicago, IN
CO.1990.East_Chicago
Lake County; Cities of East Chicago, Hammond, Whiting, and Gary, IN
PM-10.1990.East_Chicago
Lake County, IN
SO2.1978.Lake_Co_IN
Marion County
Ozone_1-hr.1990.Indianapolis
CO.1990.Indianapolis
Marion County; Franklin Township, IN
Lead.1992.Franklin
Marion County: Lawrence, Washington, and Warrant Townships, IN
SO2.1978.Indianapolis
SO2.2010.Indianapolis
Morgan County
Morgan County, IN
SO2.2010.Morgan_Co_IN
125
Porter County
145
Spencer County
147
St. Joseph County
141
Vanderburgh County
Ozone_1-hr.1990.Evansville
Ozone_8-hr.1997.Evansville
Vermillion County
Vermillion County; Part of Clinton Township, IN
165
PM-10.1990.Clinton
Vigo County
Terre Haute, IN
167
Ozone_8-hr.1997.Terre_Haute
Vigo County, IN
SO2.1978.Vigo_Co
SO2.2010.Vigo_Co
Warrick County
173
Wayne County
Wayne County: Boston, Center, Franklin, Wayne & Webster Townships, IN
177
SO2.1978.Wayne_Co
IOWA
IA
Muscatine County
Muscatine County, IA
SO2.1978.Muscatine_Co
Muscatine, IA
SO2.2010.Muscatine_Co
Pottawattamie County
Pottawattamie County, IA
155
Lead.2008.Council_Bluffs
KANSAS
KS
Kansas City, MO-KS
Ozone_1-hr.1990.Kansas_City
Saline County
Saline County, KS
169
Lead.2008.Salina
Wyandotte County
209
KENTUCKY
KY
Cincinnati-Hamilton, OH-KY
Ozone_1-hr.1990.Cincinnati
Cincinnati, OH-KY
Ozone_8-hr.2015.Cincinnati
Boyd County
Huntington-Ashland, WV-KY
Ozone_1-hr.1990.Huntington
Ozone_8-hr.1997.Huntington
Huntington-Ashland, WV-KY-OH
PM-2.5.1997.Huntington
Boyd County (part), KY
SO2.1978.Boyd_Co
Bullitt County
Campbell County
Campbell-Clermont Counties, KY-OH
SO2.2010.Cincinnati
Christian County
Clarksville-Hopkinsville, TN-KY
Ozone_8-hr.1997.Clarksville
Owensboro, KY
Ozone_1-hr.1990.Owensboro
Edmonson County
Edmonson County, KY
Rural Transport (Marginal)
H
Ozone_1-hr.1990.Edmonson_Co
Lexington-Fayette, KY
Ozone_1-hr.1990.Lexington
Greenup County
Henderson County
Henderson-Webster Counties, KY
SO2.2010.Henderson_Webster_Cos
Jefferson County, KY
SO2.2010.Louisville
Kenton County
Lawrence County
Livingston County
Paducah, KY
Ozone_1-hr.1990.Paducah
Marshall County
Muhlenberg County
Muhlenberg County, KY
SO2.1978.Muhlenberg_Co
Oldham County
185
Scott County
Webster County
233
LOUISIANA
LA
Ascension Parish
Baton Rouge, LA
Ozone_1-hr.1990.Baton_Rouge
Ozone_8-hr.1997.Baton_Rouge
Ozone_8-hr.2008.Baton_Rouge
Beauregard Parish
Beauregard Parish, LA
Incomplete Data
K
Ozone_1-hr.1990.Beauregard_Par
Calcasieu Parish
Lake Charles, LA
Ozone_1-hr.1990.Lake_Charles
East Baton Rouge Parish
Evangeline Parish
Evangeline Parish (Partial), LA
SO2.2010.Evangeline_Par
Grant Parish
Grant Parish, LA
Ozone_1-hr.1990.Grant_Par
Iberville Parish
Jefferson Parish
New Orleans, LA
Ozone_1-hr.1990.New_Orleans
Lafayette Parish
Lafayette, LA
Ozone_1-hr.1990.Lafayette
Lafourche Parish
Lafourche Parish, LA
Ozone_1-hr.1990.Lafourche_Par
Livingston Parish
Orleans Parish
Pointe Coupee Parish
Pointe Coupee Parish, LA
Ozone_1-hr.1990.Pointe_Coupee
St. Bernard Parish
St. Bernard Parish, LA
SO2.2010.St_Bernard_Par
St. Charles Parish
St. James Parish
St. James Parish, LA
Ozone_1-hr.1990.St_James_Par
St. Mary Parish
St. Mary Parish, LA
Ozone_1-hr.1990.St_Mary_Par
West Baton Rouge Parish
MAINE
ME
Androscoggin County
Lewiston-Auburn, ME
Ozone_1-hr.1990.Lewiston
Portland, ME
Ozone_8-hr.1997.Portland_ME
Aroostook County
Aroostock County; City of Presque Isle, ME
PM-10.1990.Presque_Isle
Cumberland County
Ozone_1-hr.1990.Portland_ME
Hancock County and Waldo County, ME
Ozone_1-hr.1990.Hancock_and_Waldo_Cos
Hancock, Knox, Lincoln and Waldo Counties (Central Maine Coast), ME
Ozone_8-hr.1997.Central_Maine_Coast
Kennebec County
Knox County
Knox County and Lincoln County, ME
Ozone_1-hr.1990.Knox_and_Lincoln_Cos
Lincoln County
Penobscot County
Millinocket AQCR 109, ME
SO2.1978.Millinocket
Sagadahoc County
Waldo County
York County
MARYLAND
MD
Anne Arundel County
Baltimore, MD
Ozone_1-hr.1990.Baltimore
Ozone_8-hr.1997.Baltimore
Ozone_8-hr.2008.Baltimore
Ozone_8-hr.2015.Baltimore
PM-2.5.1997.Baltimore
Anne Arundel County and Baltimore County, MD
SO2.2010.Baltimore
Baltimore County
Baltimore city
510
CO.1990.Baltimore
Calvert County
Cecil County
Charles County
Frederick County
Harford County
Howard County
Kent County and Queen Anne's County, MD
Ozone_1-hr.1990.Kent_and_Queen_Annes_Cos
Kent and Queen Anne's Counties, MD
Ozone_8-hr.1997.Kent_and_Queen_Annes_Cos
Montgomery County
Prince George's County
Queen Anne's County
Washington County
Martinsburg-Hagerstown, WV-MD
PM-2.5.1997.Hagerstown
MASSACHUSETTS
MA
Barnstable County
Boston-Lawrence-Worcester (E. Mass), MA-NH
25
Ozone_1-hr.1990.Boston
Boston-Lawrence-Worcester (E. Mass), MA
Ozone_8-hr.1997.Boston_MA
Berkshire County
Springfield (Western MA), MA
Ozone_1-hr.1990.Springfield
Springfield (W. Mass), MA
Ozone_8-hr.1997.Springfield
Bristol County
Dukes County
Dukes County, MA
Ozone_8-hr.2008.Dukes_Co
Essex County
Hampden County
Springfield, MA
CO.1990.Springfield
Hampshire County
Boston, MA
CO.1990.Boston
Lowell, MA
CO.1990.Lowell
Waltham, MA
CO.1990.Waltham
Nantucket County
Norfolk County
Plymouth County
Suffolk County
Worcester County
Worcester, MA
CO.1990.Worcester
MICHIGAN
MI
Allegan County
Allegan County, MI
26
Ozone_1-hr.1990.Allegan_Co
Ozone_8-hr.1997.Allegan_Co
Ozone_8-hr.2015.Allegan_Co
Bay County
Saginaw-Bay City-Midland, MI
Ozone_1-hr.1990.Saginaw
Benzie County
Benzie County, MI
Ozone_8-hr.1997.Benzie_Co
Berrien County
Benton Harbor, MI
Ozone_8-hr.1997.Benton_Harbor
Berrien County, MI
Ozone_8-hr.2015.Benton_Harbor
Calhoun County
Kalamazoo-Battle Creek, MI
Ozone_8-hr.1997.Kalamazoo
Cass County
Cass County, MI
Ozone_8-hr.1997.Cass_Co
Clinton County
Lansing-East Lansing, MI
Ozone_8-hr.1997.Lansing
Eaton County
Genesee County
Flint, MI
049
Ozone_1-hr.1990.Flint
Ozone_8-hr.1997.Flint
Huron County
Huron County, MI
Ozone_8-hr.1997.Huron_Co
Ingham County
Ionia County
Belding, MI
Lead.2008.Belding
Kalamazoo County
Grand Rapids, MI
Ozone_1-hr.1990.Grand_Rapids
Ozone_8-hr.1997.Grand_Rapids
Lapeer County
Lenawee County
Detroit-Ann Arbor, MI
Ozone_8-hr.1997.Detroit
Ozone_1-hr.1990.Detroit
Detroit, MI
Ozone_8-hr.2015.Detroit
PM-2.5.1997.Detroit
PM-2.5.2006.Detroit
Macomb County
CO.1990.Detroit
Mason County
Mason County, MI
Ozone_8-hr.1997.Mason_Co
Midland County
Muskegon County
Muskegon, MI
Ozone_1-hr.1990.Muskegon
Ozone_8-hr.1997.Muskegon
Muskegon County, MI
Ozone_8-hr.2015.Muskegon
Oakland County
Ottawa County
Saginaw County
St. Clair, MI
SO2.2010.St_Clair
Van Buren County
159
Washtenaw County
161
Wayne County, MI
PM-10.1990.Detroit
SO2.2010.Detroit
MINNESOTA
MN
Anoka County
Minneapolis-St. Paul, MN
27
CO.1990.Minneapolis
SO2.1978.Minneapolis
Carver County
Dakota County
Dakota County, MN
Lead.1992.Minneapolis
Eagan, MN
Lead.2008.Eagan
Hennepin County
Olmsted County
Olmsted County, MN
PM-10.1990.Rochester
Olmsted County; City of Rochester, MN
SO2.1978.Rochester
Ramsey County
Ramsey County, MN
PM-10.1990.Minneapolis
St. Louis County
Duluth, MN
137
CO.1990.Duluth
Wright County
171
MISSISSIPPI
MS
DeSoto County
28
MISSOURI
MO
Clay County
29
Dent County
Iron, Dent, and Reynolds Counties, MO
Lead.2008.Iron
Iron County
Iron County (part); Dent Township, MO
Lead.1992.Dent
Iron County (part); Liberty and Arcadia, MO
Lead.1992.Liberty
Jackson County, MO
SO2.2010.Kansas_City
Jefferson County (part); Herculaneum, MO
Lead.1992.Herculaneum
Jefferson County, MO
Lead.2008.Herculaneum
SO2.2010.Herculaneum
New Madrid County
New Madrid County, MO
SO2.2010.New_Madrid_Co
Platte County
Reynolds County
St. Charles County
183
189
St. Louis, MO
CO.1990.St_Louis
St. Louis city
MONTANA
MT
Cascade County
Great Falls, MT
30
CO.1990.Great_Falls
Flathead County
Flathead County; Columbia Falls and vicinity, MT
PM-10.1990.Columbia_Falls
Flathead County; Kalispell and vicinity, MT
PM-10.1990.Kalispell
Flathead County; Whitefish and vicinity, MT
PM-10.1990.Whitefish
Lake County; Polson, MT
PM-10.1990.Polson
Lake County; Ronan, MT
PM-10.1990.Ronan
Lewis and Clark County
Lewis & Clark County (part); City of East Helena and vicinity, MT
Lead.1992.East_Helena
East Helena Area, MT
SO2.1978.East_Helena
Lincoln County; Libby and vicinity, MT
PM-10.1990.Libby
Libby, MT
PM-2.5.1997.Libby
Missoula County
Missoula, MT
CO.1990.Missoula
PM-10.1990.Missoula
Rosebud County
Rosebud County; Lame Deer, MT
PM-10.1990.Lame_Deer
Sanders County
Sanders County (part); Thompson Falls and vicinity, MT
PM-10.1990.Thompson_Falls
Silver Bow County
Silver Bow County; Butte, MT
PM-10.1990.Butte
Yellowstone County
Billings, MT
CO.1990.Billings
Laurel Area (Yellowstone County), MT
SO2.1978.Laurel
SO2.2010.Billings
NEBRASKA
NE
Douglas County (part); Portion of city of Omaha, NE
31
Lead.1992.Omaha
NEVADA
NV
Carson City
Lake Tahoe, NV
32
CO.1990.Lake_Tahoe
Las Vegas, NV
Ozone_8-hr.1997.Las_Vegas
Ozone_8-hr.2015.Las_Vegas
CO.1990.Las_Vegas
Clark County; Las Vegas planning area, NV
PM-10.1990.Las_Vegas
Washoe County
Reno, NV
Ozone_1-hr.1990.Reno
CO.1990.Reno
Washoe County; Reno planning area, NV
PM-10.1990.Reno
White Pine County
Central Steptoe Valley, NV
SO2.1978.Central_Steptoe_Valley
NEW HAMPSHIRE
NH
Cheshire County
Cheshire County, NH
33
Ozone_1-hr.1990.Cheshire_Co
Manchester, NH
Ozone_1-hr.1990.Manchester
Boston-Manchester-Portsmouth (SE), NH
Ozone_8-hr.1997.Boston_NH
CO.1990.Manchester
Nashua, NH
CO.1990.Nashua
Central New Hampshire, NH
SO2.2010.Concord
Merrimack County
Rockingham County
Portsmouth-Dover-Rochester, NH
Ozone_1-hr.1990.Portsmouth
Strafford County
NEW JERSEY
NJ
Atlantic County
Atlantic City, NJ
34
Ozone_1-hr.1990.Atlantic_City
CO.1990.Atlantic_City
Bergen County
Burlington County
Burlington, NJ
CO.1990.Burlington
Camden County
Philadelphia-Camden County, PA-NJ
CO.1990.Philadelphia
Cape May County
Gloucester County
Hudson County
Hunterdon County
Mercer County
Trenton, NJ
CO.1990.Trenton
Perth Amboy, NJ
CO.1990.Perth_Amboy
Monmouth County
Freehold, NJ
CO.1990.Freehold
Morris County
Morristown, NJ
CO.1990.Morristown
Ocean County
Toms River, NJ
CO.1990.Toms_River
Passaic County
Salem County
Penns Grove, NJ
CO.1990.Penns_Grove
Somerset County
Somerville, NJ
CO.1990.Somerville
Union County
Warren County
Allentown-Bethlehem-Easton, PA-NJ
Ozone_1-hr.1990.Allentown
Warren County, NJ
SO2.1978.Warren_Co
NEW MEXICO
NM
Bernalillo County
Albuquerque, NM
35
CO.1990.Albuquerque
Dona Ana County
Dona Ana County (part); Sunland Park, NM
Ozone_1-hr.1990.Sunland_Park
El Paso-Las Cruces, TX-NM
Ozone_8-hr.2015.El_Paso
Dona Ana County; Anthony, NM
PM-10.1990.Anthony
Grant County
Grant County, NM
SO2.1978.Grant_Co
NEW YORK
NY
Albany County
Albany-Schenectady-Troy, NY
36
Ozone_1-hr.1990.Albany
Ozone_8-hr.1997.Albany
Bronx County
Chautauqua County
Jamestown, NY
Ozone_8-hr.1997.Jamestown
Ozone_8-hr.2008.Jamestown
Dutchess County
Poughkeepsie, NY
Ozone_1-hr.1990.Poughkeepsie
Ozone_8-hr.1997.Poughkeepsie
Erie County
Buffalo-Niagara Falls, NY
Ozone_1-hr.1990.Buffalo
Ozone_8-hr.1997.Buffalo
Essex County; Whiteface Mountain, NY
Ozone_1-hr.1990.Whiteface_Mountain
Essex County (Whiteface Mtn.), NY
Ozone_8-hr.1997.Whiteface_Mountain
Rochester, NY
Ozone_8-hr.1997.Rochester
Jefferson County, NY
Ozone_1-hr.1990.Jefferson_Co
Ozone_8-hr.1997.Jefferson_Co
New York County
New York County, NY
PM-10.1990.New_York
Niagara County
Onondaga County
Syracuse, NY
CO.1990.Syracuse
Ontario County
Orleans County
Queens County
Rensselaer County
Richmond County
Rockland County
Saratoga County
Schenectady County
Schoharie County
St. Lawrence County
St. Lawrence County, NY
SO2.2010.St_Lawrence_Co
Westchester County
NORTH CAROLINA
NC
Cabarrus County
Charlotte-Gastonia-Rock Hill, NC-SC
37
Ozone_8-hr.1997.Charlotte
Charlotte-Rock Hill, NC-SC
Ozone_8-hr.2008.Charlotte
Catawba County
Hickory-Morganton-Lenoir, NC
PM-2.5.1997.Hickory
Chatham County
Raleigh-Durham-Chapel Hill, NC
Ozone_8-hr.1997.Raleigh
Davidson County
Greensboro-Winston-Salem-High Point, NC
Ozone_1-hr.1990.Greensboro
Greensboro-Winston Salem-High Point, NC
PM-2.5.1997.Greensboro
Davie County
Durham County
Raleigh-Durham, NC
Ozone_1-hr.1990.Raleigh
CO.1990.Raleigh
Edgecombe County
Rocky Mount, NC
Ozone_8-hr.1997.Rocky_Mount
Winston-Salem, NC
CO.1990.Winston-Salem
Gaston County
Charlotte-Gastonia, NC
Ozone_1-hr.1990.Charlotte
Granville County
Guilford County
Haywood County
Haywood and Swain Counties (Great Smoky NP), NC
Ozone_8-hr.1997.Haywood_and_Swain_Cos
Iredell County
Johnston County
Mecklenburg County
Charlotte, NC
CO.1990.Charlotte
Nash County
Person County
Rowan County
Swain County
Wake County
OHIO
OH
39
Lima, OH
Ozone_8-hr.1997.Lima
Ashtabula County
Cleveland-Akron-Lorain, OH
Ozone_1-hr.1990.Cleveland
Ozone_8-hr.1997.Cleveland
Ozone_8-hr.2008.Cleveland
PM-2.5.1997.Cleveland
Belmont County
Wheeling, WV-OH
Ozone_8-hr.1997.Wheeling
PM-2.5.1997.Wheeling
Butler County
Dayton-Springfield, OH
Ozone_1-hr.1990.Dayton
Ozone_8-hr.1997.Dayton
PM-2.5.1997.Dayton
Clermont County
Clinton County, OH
Ozone_1-hr.1990.Clinton_Co
Columbiana County
Columbiana County, OH
Ozone_1-hr.1990.Columbiana_Co
Youngstown-Warren-Sharon, OH-PA
Ozone_8-hr.1997.Youngstown
Coshocton County
Columbus, OH
PM-2.5.1997.Columbus
Coshocton County; Franklin Township, OH
SO2.1978.Coshocton_Co
Cuyahoga County
Cleveland, OH
Ozone_8-hr.2015.Cleveland
CO.1990.Cleveland
Lead.2008.Cleveland
Cuyahoga County, OH
PM-10.1990.Cleveland
PM-2.5.2006.Cleveland
PM-2.5.2012.Cleveland
SO2.1978.Cleveland
Ozone_1-hr.1990.Columbus
Ozone_8-hr.1997.Columbus
Ozone_8-hr.2008.Columbus
Ozone_8-hr.2015.Columbus
Delta, OH
Lead.2008.Delta
Gallia County
Gallia County; Addison Township, OH
SO2.1978.Addison
Geauga County
Steubenville, OH
Ozone_1-hr.1990.Steubenville
Steubenville-Weirton, OH-WV
Ozone_8-hr.1997.Weirton
Jefferson County, OH
PM-10.1990.Jefferson_Co
PM-2.5.1997.Weirton
PM-2.5.2006.Weirton
Jefferson County; (part) Steubenville & Mingo Junction, OH
SO2.1978.Jefferson_Co
Steubenville, OH-WV
SO2.2010.Steubenville
Lake County; (part) Eastlake, Timberlake, Lakeline, Willoughby, Mentor, OH
SO2.1978.Lake_Co_OH
Lake County, OH
SO2.2010.Lake_Co_OH
Licking County
Logan County
Bellefontaine, OH
Lead.2008.Bellefontaine
Lorain County
Lorain County, OH
SO2.1978.Lorain_Co
Lucas County
Toledo, OH
Ozone_1-hr.1990.Toledo
Ozone_8-hr.1997.Toledo
Lucas County, OH
SO2.1978.Lucas_Co
Mahoning County
Youngstown-Warren-Sharon, OH-PA (OH portion)
Ozone_1-hr.1990.Youngstown
Medina County
Miami County
Morgan County: Center Township, OH
SO2.1978.Morgan_Co
Muskingum River, OH
SO2.2010.Muskingum_River
Portage County
Preble County
Preble County, OH
Ozone_1-hr.1990.Preble_Co
Scioto County
Stark County
Canton, OH
Ozone_1-hr.1990.Canton
Canton-Massillon, OH
Ozone_8-hr.1997.Canton
Canton-Stark County, OH
Lead.2008.Canton
PM-2.5.1997.Canton
PM-2.5.2006.Canton
Summit County
153
Trumbull County
Parkersburg-Marietta, WV-OH
Ozone_8-hr.1997.Parkersburg
PM-2.5.1997.Parkersburg
Washington County: Waterford Township, OH
SO2.1978.Waterford
Wood County
OREGON
OR
Clackamas County
Portland-Vancouver AQMA, OR-WA
41
Ozone_1-hr.1990.Portland_OR
Portland, OR
CO.1990.Portland_OR
Medford, OR
CO.1990.Medford
Jackson County; Medford-Ashland (including White City), OR
PM-10.1990.Medford
Josephine County
Grants Pass, OR
CO.1990.Grants_Pass
Josephine County; Grants Pass, OR
PM-10.1990.Grants_Pass
Klamath County
Klamath Falls, OR
CO.1990.Klamath_Falls
PM-10.1990.Klamath_Falls
PM-2.5.2006.Klamath_Falls
Lake County (part); Lakeview, OR
PM-10.1990.Lakeview
Lane County
Eugene-Springfield, OR
CO.1990.Eugene
Lane County (part); Oakridge, OR
PM-10.1990.Oakridge
Lane County; Eugene/Springfield, OR
PM-10.1990.Eugene
Oakridge, OR
PM-2.5.2006.Oakridge
Salem, OR
Ozone_1-hr.1990.Salem
CO.1990.Salem
Multnomah County
Union County; LaGrande, OR
PM-10.1990.LaGrande
PENNSYLVANIA
PA
York, PA
42
Ozone_1-hr.1990.York
Ozone_8-hr.1997.York
Allegheny County
Pittsburgh-Beaver Valley, PA
Ozone_1-hr.1990.Pittsburgh
Ozone_8-hr.1997.Pittsburgh
Ozone_8-hr.2008.Pittsburgh
Pittsburgh, PA
CO.1990.Pittsburgh
Allegheny County; Liberty, Lincoln, Port Vue, Glassport, Clairton, PA
PM-10.1990.Liberty-Clairton
Liberty-Clairton, PA
PM-2.5.1997.Liberty-Clairton
PM-2.5.1997.Pittsburgh
PM-2.5.2006.Liberty-Clairton
PM-2.5.2006.Pittsburgh
Allegheny County, PA
PM-2.5.2012.Allegheny_Co
Allegheny County Air Basin: Hazelwood monitor, PA
SO2.1978.Hazelwood
Allegheny, PA
SO2.2010.Liberty-Clairton
Armstrong County
Armstrong County: Madison, Mahoning, Boggs, Washington, Pine, PA
SO2.1978.Armstrong_Co
Indiana, PA
SO2.2010.Indiana_Co
Beaver County
Lower Beaver Valley, PA
Lead.2008.Lower_Beaver_Valley
Beaver, PA
SO2.2010.Lower_Beaver_Valley
Berks County
Reading, PA
Ozone_1-hr.1990.Reading
Ozone_8-hr.1997.Reading
Ozone_8-hr.2008.Reading
Lyons, PA
Lead.2008.Lyons
North Reading, PA
Lead.2008.Reading
PM-2.5.1997.Reading
Blair County
Altoona, PA
Ozone_1-hr.1990.Altoona
Ozone_8-hr.1997.Altoona
Bucks County
Cambria County
Johnstown, PA
Ozone_1-hr.1990.Johnstown
Ozone_8-hr.1997.Johnstown
PM-2.5.1997.Johnstown
PM-2.5.2006.Johnstown
Carbon County
Allentown-Bethlehem-Easton, PA
Ozone_8-hr.1997.Allentown
Ozone_8-hr.2008.Allentown
Centre County
State College, PA
Ozone_8-hr.1997.State_College
Chester County
Clearfield County
Clearfield and Indiana Counties, PA
Ozone_8-hr.1997.Clearfield_and_Indiana_Cos
Columbia County
Scranton-Wilkes-Barre, PA
Ozone_1-hr.1990.Scranton
Crawford County
Crawford County, PA
Ozone_1-hr.1990.Crawford_Co
Harrisburg-Lebanon-Carlisle, PA
Ozone_1-hr.1990.Harrisburg
Ozone_8-hr.1997.Harrisburg
PM-2.5.1997.Harrisburg
Harrisburg-Lebanon-Carlisle-York, PA
PM-2.5.2006.Harrisburg
Dauphin County
Delaware County, PA
PM-2.5.2012.Delaware_Co
Erie, PA
Ozone_1-hr.1990.Erie
Ozone_8-hr.1997.Erie
Franklin County, PA
Ozone_1-hr.1990.Franklin_Co
Ozone_8-hr.1997.Franklin_Co
Greene County, PA
Ozone_1-hr.1990.Greene_Co_PA
Ozone_8-hr.1997.Greene_Co_PA
Indiana County
Juniata County
Juniata County, PA
Ozone_1-hr.1990.Juniata_Co
Lackawanna County
Ozone_8-hr.1997.Scranton
Lancaster County
Lancaster, PA
Ozone_1-hr.1990.Lancaster
Ozone_8-hr.1997.Lancaster
Ozone_8-hr.2008.Lancaster
PM-2.5.1997.Lancaster
PM-2.5.2006.Lancaster
Lawrence County, PA
Ozone_1-hr.1990.Lawrence_Co
Lebanon County
Lebanon County, PA
PM-2.5.2012.Lebanon_Co
Lehigh County
Allentown, PA
PM-2.5.2006.Allentown
Luzerne County
Youngstown-Warren-Sharon, OH-PA (PA portion)
Northampton County
Northumberland County
Northumberland County, PA
Ozone_1-hr.1990.Northumberland_Co
Perry County
Philadelphia County
Pike County, PA
Ozone_1-hr.1990.Pike_Co
Schuylkill County
Schuylkill County, PA
Ozone_1-hr.1990.Schuylkill_Co
Snyder County
Snyder County, PA
Ozone_1-hr.1990.Snyder_Co
Susquehanna County
Susquehanna County, PA
Ozone_1-hr.1990.Susquehanna_Co
Tioga County
Tioga County, PA
Ozone_8-hr.1997.Tioga_Co
Warren County, PA
Ozone_1-hr.1990.Warren_Co
Warren County: Conewago Twp, PA
SO2.1978.Conewago
Warren County: Warren Boro, Pleasant Twp, Glade Twp, PA
SO2.1978.Warren_Boro
Warren, PA
SO2.2010.Warren_Co
Wayne County, PA
Ozone_1-hr.1990.Wayne_Co
Westmoreland County
129
Wyoming County
131
PM-2.5.1997.York
PUERTO RICO
PR
Arecibo Municipio
Arecibo, PR
72
Lead.2008.Arecibo
Bayamon Municipio
San Juan, PR
SO2.2010.San_Juan
Catano Municipio
Guaynabo Municipio
Mun. of Guaynabo, PR
PM-10.1990.Guaynabo_Co
Salinas Municipio
Guayama-Salinas, PR
SO2.2010.Guayama-Salinas
San Juan Municipio
Toa Baja Municipio
RHODE ISLAND
RI
Providence (all of RI), RI
44
Ozone_1-hr.1990.Providence
Ozone_8-hr.1997.Providence
Newport County
Providence County
SOUTH CAROLINA
SC
Cherokee County, SC
45
Ozone_1-hr.1990.Cherokee_Co
TENNESSEE
TN
Anderson County
Knoxville, TN
47
Ozone_8-hr.1997.Knoxville
Ozone_8-hr.2008.Knoxville
PM-2.5.1997.Knoxville
Knoxville-Sevierville-La Follette, TN
PM-2.5.2006.Knoxville
Benton County
Benton County; (part) TVA Johnsonville, TN
SO2.1978.Benton_Co
Blount County
Cocke County
Nashville, TN
Ozone_1-hr.1990.Nashville
Fayette County, TN
Lead.1992.Fayette_Co
Humphreys County
Humphreys County; (part) TVA Johnsonville, TN
SO2.1978.Humphreys_Co
Ozone_1-hr.1990.Knoxville
Loudon County
Polk County, TN
SO2.1978.Polk_Co
Roane County
Rutherford County
Sevier County
Memphis, TN
Ozone_1-hr.1990.Memphis
CO.1990.Memphis
Shelby County, TN
Lead.1992.Memphis
Sullivan County
Bristol, TN
Lead.2008.Bristol
Sullivan County, TN
SO2.2010.Kingsport
Sumner County
Williamson County
187
Williamson County, TN
Lead.1992.Nashville
Wilson County
TEXAS
TX
Freestone and Anderson Counties, TX
48
SO2.2010.Freestone_Anderson_Cos
Bexar County
San Antonio, TX
Ozone_8-hr.2015.San_Antonio
Brazoria County
Houston-Galveston-Brazoria, TX
Ozone_1-hr.1990.Houston
Ozone_8-hr.1997.Houston
Ozone_8-hr.2008.Houston
Ozone_8-hr.2015.Houston
Chambers County
Collin County
Dallas-Fort Worth, TX
Ozone_1-hr.1990.Dallas
Ozone_8-hr.1997.Dallas
Ozone_8-hr.2008.Dallas
Ozone_8-hr.2015.Dallas
Collin County, TX
Lead.1992.Collin_Co
Frisco, TX
Lead.2008.Collin_Co
Dallas County
Denton County
El Paso, TX
Ozone_1-hr.1990.El_Paso
CO.1990.El_Paso
El Paso County, TX
PM-10.1990.El_Paso
Ellis County
Fort Bend County
Freestone County
Galveston County
Hardin County
Beaumont-Port Arthur, TX
199
Ozone_1-hr.1990.Beaumont
Ozone_8-hr.1997.Beaumont
Harris County
201
Howard County, TX
227
SO2.2010.Howard_Co
Hutchinson County
Hutchinson County, TX
SO2.2010.Hutchinson_Co
245
251
Kaufman County
257
Liberty County
291
339
Navarro County
Navarro County, TX
349
SO2.2010.Navarro_Co
361
Panola County
Rusk and Panola Counties, TX
365
SO2.2010.Rusk_Panola_Cos
Parker County
367
Rockwall County
397
Rusk County
401
Tarrant County
439
Titus County
Titus County, TX
449
SO2.2010.Titus_Co
Victoria County
Victoria, TX
469
Ozone_1-hr.1990.Victoria
Waller County
473
Wise County
497
UTAH
UT
Box Elder County
Salt Lake City, UT
49
PM-2.5.2006.Salt_Lake
Cache County
Davis County
Ozone_1-hr.1990.Salt_Lake
Northern Wasatch Front, UT
Ozone_8-hr.2015.Salt_Lake
Duchesne County
Uinta Basin, UT
Ozone_8-hr.2015.Uinta_Basin
Salt Lake County
CO.1990.Salt_Lake
Salt Lake County, UT
PM-10.1990.Salt_Lake
SO2.1978.Salt_Lake
Tooele County
Tooele County, UT
SO2.1978.Tooele_Co
Uintah County
Utah County
Southern Wasatch Front, UT
Ozone_8-hr.2015.Provo
Provo, UT
CO.1990.Provo
Utah County, UT
PM-10.1990.Utah_Co
PM-2.5.2006.Provo
Weber County
Ogden, UT
CO.1990.Ogden
PM-10.1990.Ogden
VIRGINIA
VA
Alexandria city
51
Arlington County
Charles City County
Richmond, VA
036
Ozone_1-hr.1990.Richmond
Richmond-Petersburg, VA
Ozone_8-hr.1997.Richmond
Chesapeake city
Norfolk-Virginia Beach-Newport News (Hampton Roads), VA
550
Ozone_1-hr.1990.Norfolk
Ozone_8-hr.1997.Norfolk
Chesterfield County
Colonial Heights city
570
Fairfax County
Fairfax city
600
Falls Church city
610
Fredericksburg city
Fredericksburg, VA
630
Ozone_8-hr.1997.Fredericksburg
Giles County
Giles County, VA
SO2.2010.Giles_Co
Hampton city
650
Hanover County
Henrico County
Hopewell city
670
Isle of Wight County
James City County
Loudoun County
Madison and Page Counties (Shenandoah NP), VA
Ozone_8-hr.1997.Madison_and_Page_Cos
Manassas Park city
685
Manassas city
683
Newport News city
700
Norfolk city
710
Page County
Petersburg city
730
Poquoson city
735
Portsmouth city
740
Prince George County
Prince William County
Richmond city
760
Smyth County
Smyth County; White Top Mountain, VA
Ozone_1-hr.1990.White_Top_Mountain
Spotsylvania County
Stafford County
Suffolk city
800
Virginia Beach city
810
Williamsburg city
830
WASHINGTON
WA
53
Vancouver, WA
CO.1990.Vancouver
King County
Seattle-Tacoma, WA
Ozone_1-hr.1990.Seattle
CO.1990.Seattle
King County; Kent, WA
PM-10.1990.Kent
King County; Seattle, WA
PM-10.1990.Seattle
Pierce County
Pierce County; Tacoma, WA
PM-10.1990.Tacoma
Tacoma, WA
PM-2.5.2006.Tacoma
Snohomish County
Spokane County
Spokane, WA
CO.1990.Spokane
Spokane County, WA
PM-10.1990.Spokane
Thurston County
Thurston County; Cities of Olympia, Tumwater, and Lacey, WA
PM-10.1990.Olympia
Walla Walla County
Walla Walla County; Wallula, WA
PM-10.1990.Wallula
Whatcom County
Whatcom County, WA
SO2.2010.Whatcom_Co
Yakima County
Yakima, WA
CO.1990.Yakima
Yakima County, WA
PM-10.1990.Yakima
WEST VIRGINIA
WV
Berkeley County
54
Brooke County
Brooke; Follansbee area, WV
PM-10.1990.Follansbee
Hancock and Brooke Counties (Part); The city of Weirton, WV
PM-10.1990.Weirton
Cabell County
Greenbrier County
Greenbrier, WV
Ozone_1-hr.1990.Greenbrier
Hancock County (part): Weirton, WV
SO2.1978.Weirton
New Manchester-Grant magisterial district in Hancock County, WV
SO2.1978.New_Manchester
Kanawha County
Charleston, WV
Ozone_1-hr.1990.Charleston
Ozone_8-hr.1997.Charleston
PM-2.5.1997.Charleston
PM-2.5.2006.Charleston
Marshall, WV
SO2.2010.Marshall_Co
Ohio County
Pleasants County
Parkersburg-Marietta, WV
Ozone_1-hr.1990.Parkersburg
WISCONSIN
WI
Brown County
Brown County: Green Bay, WI
55
SO2.1978.Green_Bay
Dane County
Dane County: Madison sub-city area, WI
SO2.1978.Madison
Door County
Door County, WI
Ozone_1-hr.1990.Door_Co
Ozone_8-hr.1997.Door_Co
Ozone_8-hr.2015.Door_Co
Door County-Revised, WI
Ozone_8-hr.2015.Door_Co_Revised
Kenosha County
Milwaukee-Racine, WI
Ozone_1-hr.1990.Milwaukee
Ozone_8-hr.1997.Milwaukee
Kewaunee County
Kewaunee County, WI
Ozone_1-hr.1990.Kewaunee_Co
Ozone_8-hr.1997.Kewaunee_Co
Manitowoc County
Manitowoc County, WI
Ozone_1-hr.1990.Manitowoc_Co
Ozone_8-hr.1997.Manitowoc_Co
Ozone_8-hr.2015.Manitowoc_Co
Marathon County
Marathon County: Rothschild Sub-city area, Rib Mountain, Weston, WI
SO2.1978.Rothschild
Milwaukee County
Milwaukee, WI
Ozone_8-hr.2015.Milwaukee
PM-2.5.2006.Milwaukee
SO2.1978.Milwaukee
Oneida County
Oneida County: Rhinelander Sub-city area, WI
SO2.1978.Rhinelander
Rhinelander, WI
SO2.2010.Rhinelander
Ozaukee County
Racine County
Sheboygan County
Sheboygan, WI
Ozone_1-hr.1990.Sheboygan
Inland Sheboygan County, WI
Ozone_8-hr.1997.Sheboygan_Inland
Shoreline Sheboygan County, WI
Ozone_8-hr.1997.Sheboygan_Shoreline
Ozone_8-hr.2008.Sheboygan_Inland
Ozone_8-hr.2008.Sheboygan_Shoreline
Sheboygan County, WI
Ozone_8-hr.2015.Sheboygan
Walworth County
Walworth County, WI
Ozone_1-hr.1990.Walworth
Waukesha County
WYOMING
WY
Upper Green River Basin Area, WY
56
Ozone_8-hr.2008.Green_River
Sheridan County
Sheridan County; City of Sheridan, WY
PM-10.1990.Sheridan
Sublette County
Sweetwater County