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Nonattainment Populations By State, Nonattainment Area and County
FY 2003
STATE COUNTY 2001.7.1
POPULATION
1-Hr O3
Classification
O3
WT
CO
Classification
CO
WT
POPULATION
FINAL WTED
US States and Territories (Total)   171,927,016         205,020,910
               
CALIFORNIA   33,068,202         48,770,144
Chico-Paradise              
  Butte 205,973     Maintenance 0.8 164,778
Los Angeles
South Coast Air Basin
             
  Los Angeles 9,637,494 Extreme 1.4 Nonatta/S 1.2 16,190,990
  Orange 2,890,444 Extreme 1.4 Nonatta/S 1.2 4,855,946
  Riverside 1,635,888 Extreme 1.4 Nonatta/S 1.2 2,748,292
  San Bernardino 1,766,237 Extreme 1.4 Nonatta/S 1.2 2,967,278
Sacramento Metro              
  El Dorado 162,586 Severe 1.3 Maintenance 1.1 232,498
  Placer 268,512 Severe 1.3 Maintenance 1.1 383,972
  Solano 403,946 Severe 1.3 Maintenance 1.1 577,643
  Sutter 80,530 Severe 1.3 Maintenance 1.1 115,158
  Sacramento 1,268,770 Severe 1.3 Maintenance 1.1 1,814,341
  Yolo 174,815 Severe 1.3 Maintenance 1.1 249,985
San Diego              
  San Diego 2,862,819 Serious 1.2 Maintenance 1.1 3,778,921
San Joaquin Valley              
  Fresno 815,734 Severe 1.3 Maintenance 1.1 1,166,500
  Kern 676,367 Severe 1.3 Maintenance 1.1 967,205
  Kings 132,119 Severe 1.3 Maintenance 1.1 188,930
  Madera 126,415 Severe 1.3 Maintenance 1.1 180,773
  Merced 219,096 Severe 1.3 Maintenance 1.1 313,307
  San Joaquin 595,324 Severe 1.3 Maintenance 1.1 851,313
  Stanislaus 468,566 Severe 1.3 Maintenance 1.1 670,049
  Tulare 374,249 Severe 1.3 Maintenance 1.1 535,176
Santa Barbara-Santa Maria-Lompoc              
  Santa Barbara 399,543 Serious 1.2     479,452
Ventura Co              
  Ventura 770,630 Severe 1.3     1,001,819
Monterey Bay Monterey 407,629 Maintenance 0.8     326,103
  San Benito 55,098 Maintenance 0.8     44,078
  Santa Cruz 254,538 Maintenance 0.8     203,630
San Francisco Bay Area              
  Alameda 1,458,420 Moderate 1.1 Maintenance 1.1 1,764,688
  Contra Costa 975,532 Moderate 1.1 Maintenance 1.1 1,180,394
  Marin 247,707 Moderate 1.1 Maintenance 1.1 299,725
  Napa 128,145 Moderate 1.1 Maintenance 1.1 155,055
  San Francisco 770,723 Moderate 1.1 Maintenance 1.1 932,575
  San Mateo 702,020 Moderate 1.1 Maintenance 1.1 849,444
  Santa Clara 1,668,309 Moderate 1.1 Maintenance 1.1 2,018,654
  Sonoma 464,024 Moderate 1.1 Maintenance 1.1 561,469

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