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Nonattainment Populations By State, Nonattainment Area and County FY 2004

Illinois

STATE Nonattainment or Maintence Area COUNTY 2002.7.1 POP. 1-Hr O3 Class O3 WT CO Class CO WT POPULATION FINAL WTED
ILLINOIS     8,927,848         11,321,088
Chicago-Gary-Lake County Cook 5,377,507 Sev 1.3     6,990,759
DuPage 924,589 Sev 1.3     1,201,966
Grundy 38,839 Sev 1.3     50,491
Kane 443,041 Sev 1.3     575,953
Kendall 61,222 Sev 1.3     79,589
Lake 674,850 Sev 1.3     877,305
McHenry 277,710 Sev 1.3     361,023
Will 559,861 Sev 1.3     727,819
St Louis, MO Madison 261,409 Mnt 0.8     209,127
Monroe 29,058 Mnt 0.8     23,246
St. Clair 257,904 Mnt 0.8     206,323
Jersey Co. Jersey Co 21,858 Mnt 0.8     17,486
Updated: 07/06/2011
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