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8-Hr Ozone (2008) Nonattainment Area Summary

As of October 01, 2015

  Number of 
Classification Areas  Counties 2010
Population

Extreme  2  12  19,561,850
Severe 15  3  9  3,535,243
Serious  2  2  824,175
Moderate  3  17  8,945,948
Marginal  35  189  89,563,127
 
   SUBTOTAL:   45   224  122,430,343
 

   GRAND TOTAL:   45  224  122,430,343

County subtotals and grand totals may not equal sum of parts. Part counties are only counted one time within groupings. Multi-state nonattainment areas are not considered maintenance areas until all states in the area have been redesignated


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