Numbering System for Air Quality Control Regions in the United States


             NUMBERING SYSTEM
                   FOR
       AIR QUALITY CONTROL REGIONS
             IN THE UNITED STATES
Stationary Source Pollution Control  Programs
Research Triangle Park, North Carolina  27711
                January 1972

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17484
METhOD OF NUMBERING AIR QUALITY CDNTROL PEGIONS
1. States are arranged in alphabetical order, and state S.AROAD
number is assigned consecutively - Puerto Rico, American Samoa,
Guam, and Virgin Islands are at end of list, with District of
Columbia following Delaware and preceeding Florida.
2. A RS are arranged alphabetically (by name as specified in
Federal Register) within each state.
3. AQCRs are numbered consecutively within states beginning with
the lowest numbered state.
4. If an AQCR exists in more than one state, it receives its
number in the lowest numbered state.

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ArR QUALITY CONTROL REGIONS IN USA
AQCR
AQCR Name SAROAD No.
Alabama
Alabama and Iombigbee Rivers 1
Columbus-Phenix City 2
East Alabama 3
Metropolitan Birmingham 4
Mobile-Pensacola-Panama City- 5
Southern Mississippi (Fla;, Miss.)
Southeast Alabama 6
Tennessee River Valley-Cumberland 7
Mountains (Tenn.)
Alaska
Cook Inlet 8
Northern Alaska 9
South Central Alaska 10
Southeastern Alaska 11
Arizona
Arizona-New Mexico Southern Border (N. Max.) 12
Clark -Mohave 13
Four Corners (Cob., N. Max., 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., Okia., Texas) 22

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AQCR
AQCP. Name SAROAD NO.
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

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AQCR
AQ R Name SAROAD No.
Florida
Central Florida 48
Jacksonville-Brunswick (Ga.) 49
Mobile-Pensacola-Panama City- 5
Southern Mississippi (Ala., Miss.)
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
Savannab-Beaufort (S. C.) 58
Southwest Georgia 59
Hawaii
Entire SLate 60
Idaho
Eastern Idaho 61
Eastern Washington-Northern Idaho (Wash.) 62
Idaho 63
Metropolitan Boise 64
Illinois
Burlington-Keokuk (Iowa) 65
East Central tUinois 66
Metropolitan Chicago (md.) 67
Metropolitan Dubuque (Iowa, Wisc.) 68

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AQCR
AQ R Name SAROAD No.
Illinois cont’d
Metropolitan Quad Cities (Iowa) 69
Metropolitan St. Louis (Mo.) 70
North Central Illinois 71
Paducah-Cairo (Ky.) 72
Rockford-Janesville-Beloit (Wise.) 73
Southeast Illinois 74
West Central Illinois 75
Indiana
East Central Indiana 76
Evansville-Owensboro-Hender son (Ky.) 77
Louisville (Ky.) 78
Metropolitan Chicago (Ill.) 67
Metropolitan Cincinnati (Ky., Ohio) 79
Metropolitan Indianapolis 80
Northeast Indiana 81
South Eend-Elkhart-Benton Harbor (Mich.) 82
Southern Indiana 83
Wabash Valley 84
Iowa
Burlington-Keokuk (Ill.) 65
Metropolitan Dubuque (Ill., Wise.) 68
Metropolitan Omaha-Council Bluffs (Neb.) 85
Metropolitan Quad Cities (I i i.) 69
Metropolitan Sioux City (Neb., S. D.) 86
Metropolitan Sioux Falls (S. D.) 87
Northeast Iowa 88
North Central Iowa 89
Northwest Iowa 90
Southeast Iowa 91
South Central Iowa 92
Southwest Iowa 93

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AQCR
AQCR Name SAROAD No.
Kansas
Metropolitan Kansas City (No.) 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 ( md .) 77
Huntington-Ashlancl-Portsmouth-Ironton (Ohio, W. Va.) 103
Louisville ( md.) 78
Metropolitan Cincinnati ( md., Ohio) 79
North Central Kentucky 104
Paducah -Cairo (Ill.) 72
South Central Kentucky 105
Louisiana
Monroe-El Dorado (Ark.) 19
Shreveport-Texarkana-Tyler (Ark., Okia., Texas) 22
Southern Louisiana-Southeast Texas (Texas) 106
Maine
Androscoggin Valley (N. H.) 107
Aroos took 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

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AQCR
AQGR Name SAROAD No.
Maryland cont’d
National Capital (D. C.) 47
Southern Maryland 116
Massachusetts
Berkshire 117
Central Massachusetts 118
Hartford-New Raven-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 ( md.) 82
South Central Michigan 125
Upper Michigan 126
Minnesota
Central Minnesota 127
Southeast Minnesota-La Crosse (Wisc.) 128
Duluth-Superior (Wisc.) 129
Metropolitan Pargo-Moorhead (N. D.) 130
Minneapolis-St. Paul 131
Northwest Minnesota 132
Southwest Minnesota 133
Mississippi
Metropolitan Memphis (Ark., Tenn.) 18
Mississippi Delta 134
Mobile-Pensacola-Panama City- 5
Southern Mississippi (Ala., Fla.)
Northeast Mississippi 135

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AQCR
AQCR Name onx 0AD No.
Missouri
Metropolitan Kansas City (Kans.) 94
Metropolitan St. Louis (Ill.) 70
Northern Missouri 137
Southeast Missouri 138
Southuest Missouri 139
Montana
Billings 140
Great Falls 141
Helena 142
Miles City 143
Missoula 144
Nebraska
Lincoin-Beatrice-Fairbury 145
Metropolitan Omaha-Council Bluffs (Iowa) 85
Metropolitan Sioux City (Iowa, S. D.) 86
Nebraska 146
Ne vada
Clark-Mohave (Ariz.) 13
Nevada 147
Northwest Nevada 148
New l-lampshire
Androscoggin Valley (Maine) 107
Merrimack Valley-Southern New Hampshire (Mass.) 121
New Hampshire 149
New Jersex
Metropolitan Philadelphia (Dela., Pa.) 45
New Jersey 150
New Jersey-New York-Connecticut (N. Y., Conn.) 43
Northeast Pennsylvania-Upper Delaware Valley (Pa.) 151

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AQ CR
AQCR Name SAROAD No.
New Mexico
Albuquerque-Mid Rio Grande 152
Arizona-New Mexico Souther Border (Ariz.) 12
El Paso-Las Cruces-Alamogordo (Texas) 153
Four Corners (Ariz., Co b., 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
Cenesse-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

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AQ CR
AQCR Name SAROAD No.
Ohio cont’d
Mansfield-Marion 175
Metropolitan Cincinnati ( md . , Ky.) 79
Metropolitan Columbus 176
Metropolitan Toledo (Mich.) 124
Northwest Ohio 177
Northwest Pennsylvania-Youngstown (Pa.) 178
Parkersburg-Narietta (W. Va.) 179
Sandusky 180
Steubenville-Weirton-Wheeling (W. Va .) 181
Wilinington-Chillicothe-Logan 182
Zanesvil le-Cambridge 183
Oh lab ama
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 Phide lphia (Dela., N. J.) 45
Northeast Pennsylvania-Upper Delaware Valley (N. .7.) 151
Northwest Pennsylvania -Youngstown (Ohio) 178

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AQCR
AQCR Name SAROAD No.
Pennsylvania cont ‘ d
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-Spar tanburg 202
Greenwood 203
Georgetown 204
Metropolitan Charlotte (N. C.) 167
Savannab-Beaufort (Ga.) 58
South Dakota
Black Hills-Rapid City 205
Metropolitan Sioux City (Iowa, Neb.) 86
Metropolitan Sioux Falls (Iowa) 87
South Dakota 206
Tenne s s e
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 Tennesse 209
Texas
Abilene-Wichita Falls 210
Amarillo-Lubbock 211
Austin-Waco 212

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AQCR
AQCR Name SAROAD No.
Texas cont’d
Brownsvillc-Laredo 213
Corpus Christi-Victoria 214
El Paso-Las Cruces-Alamogordo (N. M.) 153
Metropolitan Dallas-Ft. Worth 215
Metropolitan Houston-Calves ton 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., Co b., N. N.) 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., Nd.) 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

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AQCR
AQCR Name SAROAD No.
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-Weirton-Wheeling (Ohio) 181
Wisconsin
Duluth-Superior (Minn.) 129
Lake Michigan 237
Metropolitan Dubuque (Ill., Iowa) 68
North Central Wisconsii 238
Rockford-Janesville-Beloit (Ill.) 73
Southeastern Wisconsin 239
Southeast Minnesota-La Crosse (Minn.) 128
Southern Wisconsin 240
Wyomi n g
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

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