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PM-2.5 (2006) Nonattainment Area Summary with History

As of January 30, 2015

Original PM-2.5 (2006) areas were designated effective December 14, 2009.

  NUMBER OF AREAS NUMBER OF COUNTIES 2010 POPULATION
Classification Original
2009
Baseline
Baseline
with
Adjustments*
Today Redesignated Original
2009
Baseline
Baseline
with
Adjustments*
Today Redesignated Original
2009
Baseline
Baseline
with
Adjustments*
Today Redesignated
Moderate 0 24 22 2 0 74 68 6 0 43,380,443 42,143,442 1,237,001
SUBTOTAL 0 24 22 2 0 74 68 6 0 43,380,443 42,143,442 1,237,001
   
Former Subpart 1 31 8 0 8 120 47 0 47 43,328,129 30,935,578 0 30,935,578
SUBTOTAL 31 8 0 8 120 47 0 47 43,328,129 30,935,578 0 30,935,578
   
GRAND 
TOTAL
31 32 22 10 120 121 68 53    43,328,129    74,316,021    42,143,442    32,172,579

* Please Note: Changes can occur that adjust the original baseline counts, e.g., classification changes, area boundary changes, new areas designated nonattainment.
See the report listing these adjustments to original 2009 nonattainment areas.

County subtotals and grand totals may not equal sum of parts. Part counties are only counted one time within groups.



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