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Nonattainment Populations By State, Nonattainment Area and County FY 2003

Illinois

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
        
ILLINOIS  8,819,644     11,345,548
Chicago-Gary-Lake County       
 Cook 5,350,269Severe 1.3   6,955,350
 DuPage 912,044Severe 1.3   1,185,657
 Grundy 38,331Severe 1.3   49,830
 Kane 425,545Severe 1.3   553,209
 Kendall 58,227Severe 1.3   75,695
 Lake 661,111Severe 1.3   859,444
 McHenry 270,504Severe 1.3   351,655
 Will 536,416Severe 1.3   697,341
St Louis, MO       
 Madison 260,259Moderate 1.1   286,285
 Monroe 28,507Moderate 1.1   31,358
 St. Clair 256,599Moderate 1.1   282,259
Jersey Co.       
 Jersey Co 21,832Maintenance 0.8   17,466
Updated: 07/06/2011
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