Code of Federal Regulations Title 40. Protection of Environment 40 CFR Pt. 81, App. A—AIR QUALITY CONTROL REGIONS (AQCRs)

Alabama:

Alabama and Tombigbee Rivers

1

Columbus-Phenix City

2

East Alabama

3

Metropolitan Birmingham

4

Mobile-Pensacola-Panama City-Southern Mississippi (Fla., Miss.)

5

Southeast Alabama

6

Tennessee River Valley-Cumberland Mountains (Tenn.)

7

Alaska:

Cook Inlet

8

Northern Alaska

9

South Central Alaska

10

Southeastern Alaska

11

Arizona:

Arizona-New Mexico Southern Border (N. Mex.)

12

Clark-Mohave

13

Four Corners (Colo., N. Mex., Utah)

14

Phoenix-Tucson

15

Arkansas:

Central Arkansas

16

Metropolitan Fort Smith

17

Metropolitan Memphis

18

Monroe-El Dorado (La.)

19

Northeast Arkansas

20

Northwest Arkansas

21

Shreveport-Texarkana-Tyler (La., Okla., Texas)

22

California:

Great Basin Valley

23

Metropolitan Los Angeles

24

North Central Coast

25

North Coast

26

Northeast Plateau

27

Sacramento Valley

28

San Diego

29

San Francisco Bay Area

30

San Joaquin Valley

31

South Central Coast

32

Southeast Desert

33

Colorado:

Comanche

34

Four Corners (Ariz., N. Mex., Utah)

14

Grand Mesa

35

Metropolitan Denver

36

Pawnee

37

San Isabel

38

San Luis

39

Yampa

40

Connecticut:

Eastern Connecticut

41

Hartford-New Haven-Springfield (Mass.)

42

New Jersey-New York-Connecticut (N.J., N.Y.)

43

Northwestern Connecticut

44

Delaware:

Metropolitan Philadelphia (N.J., Pa.)

45

Southern Delaware

46

District of Columbia:

National Capital (Md.)

47

Florida:

Central Florida

48

Jacksonville-Brunswick (Ga.)

49

Mobile-Pensacola-Panama City-Southern Mississippi (Ala., Miss.)

5

Southeast Florida

50

Southwest Florida

51

West Central Florida

52

Georgia:

Augusta-Aiken (S.C.)

53

Central Georgia

54

Chattanooga (Tenn.)

55

Columbus-Phenix City (Ala.)

2

Jacksonville-Brunswick (Fla.)

49

Metropolitan Atlanta

56

Northeast Georgia

57

Savannah-Beaufort (S.C.)

58

Southwest Georgia

59

Hawaii:

Entire State

60

Idaho:

Eastern Idaho

61

Eastern Washington-Northern Idaho (Wash.)

62

Idaho

63

Metropolitan Boise

64

Illinois:

Burlington-Keokuk (Iowa)

65

East Central Illinois

66

Metropolitan Chicago (Ind.)

67

Metropolitan Dubuque (Iowa, Wis.)

68

Metropolitan Quad Cities (Iowa)

69

Metropolitan St. Louis (Mo.)

70

North Central Illinois

71

Paducah-Cairo (Ky.)

72

Rockford-Janesville-Beloit (Wis.)

73

Southeast Illinois

74

West Central Illinois

75

Indiana:

East Central Indiana

76

Evansville-Owensboro-Henderson (Ky.)

77

Louisville (Ky.)

78

Metropolitan Chicago (Ill.)

67

Metropolitan Cincinnati (Ky., Ohio)

79

Metropolitan Indianapolis

80

Northeast Indiana

81

South Bend-Elkhart-Benton Harbor (Mich.)

82

Southern Indiana

83

Wabash Valley

84

Iowa:

Burlington-Keokuk (Ill.)

65

Metropolitan Dubuque (Ill., Wis.)

68

Metropolitan Omaha-Council Bluffs (Nebr.)

85

Metropolitan Quad Cities (Ill.)

69

Metropolitan Sioux City (Nebr., S. Dak.)

86

Metropolitan Sioux Falls (S. Dak.)

87

Northeast Iowa

88

North Central Iowa

89

Northwest Iowa

90

Southeast Iowa

91

South Central Iowa

92

Southwest Iowa

93

Kansas:

Metropolitan Kansas City (Mo.)

94

Northeast Kansas

95

North Central Kansas

96

Northwest Kansas

97

Southeast Kansas

98

South Central Kansas

99

Southwest Kansas

100

Kentucky:

Appalachian

101

Bluegrass

102

Evansville-Owensboro-Henderson (Ind.)

77

Huntington-Ashland-Portsmouth-Ironton (Ohio, W. Va.)

103

Louisville (Ind.)

78

Metropolitan Cincinnati (Ind., Ohio)

79

North Central Kentucky

104

Paducah-Cairo (Ill.)

72

South Central Kentucky

105

Louisiana:

Monroe-El Dorado (Ark.)

19

Shreveport-Texarkana-Tyler (Ark., Okla., Tex.)

22

Southern Louisiana-Southeast Texas (Tex.)

106

Maine:

Androscoggin Valley (N.H.)

107

Aroostook

108

Down East

109

Metropolitan Portland

110

Northwest Maine

111

Maryland:

Central Maryland

112

Cumberland-Keyser (W. Va.)

113

Eastern Shore

114

Metropolitan Baltimore

115

National Capital (D.C.)

47

Southern Maryland

116

Massachusetts:

Berkshire

117

Central Massachusetts

118

Hartford-New Haven-Springfield (Conn.)

42

Metropolitan Boston

119

Metropolitan Providence (R.I.)

120

Merrimack Valley-Southern New Hampshire (N.H.)

121

Michigan:

Central Michigan

122

Metropolitan Detroit-Port Huron

123

Metropolitan Toledo (Ohio)

124

South Bend-Elkhart-Benton Harbor (Ind.)

82

South Central Michigan

125

Upper Michigan

126

Minnesota:

Central Minnesota

127

Southeast Minnesota-La Crosse (Wis.)

128

Duluth-Superior (Wis.)

129

Metropolitan Fargo-Moorhead (N. Dak.)

130

Minneapolis-St. Paul

131

Northwest Minnesota

132

Southwest Minnesota

133

Mississippi:

Metropolitan Memphis (Ark., Tenn.)

18

Mississippi Delta

134

Mobile-Pensacola-Panama City-Southern Mississippi (Ala., Fla.)

5

Northeast Mississippi

135

Missouri:

Metropolitan Kansas City (Kans.)

94

Metropolitan St. Louis (Ill.)

70

Northern Missouri

137

Southeast Missouri

138

Southwest Missouri

139

Montana:

Billings

140

Great Falls

141

Helena

142

Miles City

143

Missoula

144

Nebraska:

Lincoln-Beatrice-Fairbury

145

Metropolitan Omaha-Council Bluffs (Iowa)

85

Metropolitan Sioux City (Iowa, S. Dak.)

86

Nebraska

146

Nevada:

Clark-Mohave (Ariz.)

13

Nevada

147

Northwest Nevada

148

New Hampshire:

Androscoggin Valley (Maine)

107

Merrimack Valley-Southern New Hampshire (Mass.)

121

New Hampshire

149

New Jersey:

Metropolitan Philadelphia (Del., Pa.)

45

New Jersey

150

New Jersey-New York-Connecticut (N.Y., Conn.)

43

Northeast Pennsylvania-Upper Delaware Valley (Pa.)

151

New Mexico:

Albuquerque-Mid Rio Grande

152

Arizona-New Mexico Southern Border (Ariz.)

12

El Paso-Las Cruces-Alamogordo (Tex.)

153

Four Corners (Ariz., Colo., Utah)

14

Northeastern Plains

154

Pecos-Permian Basin

155

Southwestern Mountains-Augustine Plains

156

Upper Rio Grande Valley

157

New York:

Central New York

158

Champlain Valley (Vt.)

159

Genesee-Finger Lakes

160

Hudson Valley

161

New Jersey-New York-Connecticut (N.J., Conn.)

43

Niagara Frontier

162

Southern Tier East

163

Southern Tier West

164

North Carolina:

Eastern Mountain

165

Eastern Piedmont

166

Metropolitan Charlotte (S.C.)

167

Northern Coastal Plain

168

Northern Piedmont

136

Sandhills

169

Southern Coastal Plain

170

Western Mountain

171

North Dakota:

Metropolitan Fargo-Moorhead (Minn.)

130

North Dakota

172

Ohio:

Dayton

173

Greater Metropolitan Cleveland

174

Huntington-Ashland-Portsmouth-Ironton (Ky., W. Va.)

103

Mansfield-Marion

175

Metropolitan Cincinnati (Ind., Ky.)

79

Metropolitan Columbus

176

Metropolitan Toledo (Mich.)

124

Northwest Ohio

177

Northwest Pennsylvania-Youngstown (Pa.)

178

Parkersburg-Marietta (W. Va.)

179

Sandusky

180

Steubenville-Weirton-Wheeling (W. Va.)

181

Wilmington-Chillicothe-Logan

182

Zanesville-Cambridge

183

Oklahoma:

Central Oklahoma

184

Metropolitan Fort Smith (Ark.)

17

North Central Oklahoma

185

Northeastern Oklahoma

186

Northwestern Oklahoma

187

Shreveport-Texarkana-Tyler (Ark., La., Texas)

22

Southeastern Oklahoma

188

Southwestern Oklahoma

189

Oregon:

Central Oregon

190

Eastern Oregon

191

Northwest Oregon

192

Portland (Wash.)

193

Southwest Oregon

194

Pennsylvania:

Central Pennsylvania

195

Metropolitan Philadelphia (Del., N.J.)

45

Northeast Pennsylvania-Upper Delaware Valley (N.J.)

151

Northwest Pennsylvania-Youngstown (Ohio)

178

South Central Pennsylvania

196

Southwest Pennsylvania

197

Rhode Island:

Metropolitan Providence (Mass.)

120

South Carolina:

Augusta-Aiken (Ga.)

53

Camden-Sumter

198

Charleston

199

Columbia

200

Florence

201

Greenville-Spartanburg

202

Greenwood

203

Georgetown

204

Metropolitan Charlotte (N.C.)

167

Savannah-Beaufort (Ga.)

58

South Dakota:

Black Hills-Rapid City

205

Metropolitan Sioux City (Iowa, Neb.)

86

Metropolitan Sioux Falls (Iowa)

87

South Dakota

206

Tennessee:

Chattanooga (Ga.)

55

Eastern Tennessee-Southwestern Virginia (Va.)

207

Metropolitan Memphis (Ark., Miss.)

18

Middle Tennessee

208

Tennessee River Valley-Cumberland Mountains (Ala.)

7

Western Tennessee

209

Texas:

Abilene-Wichita Falls

210

Amarillo-Lubbock

211

Austin-Waco

212

Brownsville-Laredo

213

Corpus Christi-Victoria

214

El Paso-Las Cruces-Alamagordo (N. Mex.)

153

Metropolitan Dallas-Ft. Worth

215

Metropolitan Houston-Galveston

216

Metropolitan San Antonio

217

Midland-Odessa-San Angelo

218

Shreveport-Texarkana-Tyler (Ark., La., Okla.)

22

Southern Louisiana-Southeast Texas (La.)

106

Utah:

Four Corners (Ariz., Colo., N. Mex.)

14

Utah

219

Wasatch Front

220

Vermont:

Champlain Valley (N.Y.)

159

Vermont

221

Virginia:

Central Virginia

222

Eastern Tennessee-Southwestern Virginia (Tenn.)

207

Hampton Roads

223

National Capital (D.C., Md.)

47

Northeastern Virginia

224

State Capital

225

Valley of Virginia

226

Washington:

Eastern Washington-Northern Idaho (Idaho)

62

Northern Washington

227

Olympia-Northwest Washington

228

Portland (Ore.)

193

Puget Sound

229

South Central Washington

230

West Virginia:

Allegheny

231

Central West Virginia

232

Cumberland-Keyser (Md.)

113

Eastern Panhandle

233

Huntington-Ashland-Portsmouth-Ironton (Ky., Ohio)

103

Kanawha Valley

234

North Central West Virginia

235

Parkersburg-Marietta (Ohio)

179

Southern West Virginia

236

Steubenville-Wierton-Wheeling (Ohio)

181

Wisconsin:

Duluth-Superior (Minn.)

129

Lake Michigan

237

Metropolitan Dubuque (Ill., Iowa)

68

North Central Wisconsin

238

Rockford-Janesville-Beloit (Ill.)

73

Southeastern Wisconsin

239

Southeast Minnesota-La Crosse (Minn.)

128

Southern Wisconsin

240

Wyoming:

Casper

241

Metropolitan Cheyenne

242

Wyoming

243

Puerto Rico:

Puerto Rico

244

American Samoa:

American Samoa

245

Guam:

Guam

246

U.S. Virgin Islands:

U.S. Virgin Islands

247