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PM-2.5 (2006) Maintenance Area Summary

As of January 30, 2015

  Number of 
Classification Areas  Counties 2010
Population

Moderate  2  6  1,237,001
 
   SUBTOTAL:   2   6   1,237,001
 
Former Subpart 1  8  47  30,935,578
 
   SUBTOTAL:   8   47   30,935,578
 

   GRAND TOTAL:   10  53  32,172,579

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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