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PM-2.5 (2006) Nonattainment Area Summary

As of January 30, 2015

  Number of 
Classification Areas  Counties 2010
Population

Moderate  22  68  42,143,442
 
   SUBTOTAL:   22   68   42,143,442
 

   GRAND TOTAL:   22  68  42,143,442

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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