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PM-2.5 (1997) Nonattainment Area Summary with History

As of July 02, 2014

Original PM-2.5 (1997) areas were designated effective April 5, 2005.

  NUMBER OF AREAS NUMBER OF COUNTIES 2010 POPULATION
Classification Original
2005
Baseline
Adjustments
To
Baseline
Today Redesignated Original
2005
Baseline
Adjustments
To
Baseline
Today Redesignated Original
2005
Baseline
Adjustments
To
Baseline
Today Redesignated
Moderate 0 19 19 0 0 105 105 0 0 47,660,829 47,660,829 0
SUBTOTAL 0 19 19 0 0 105 105 0 0 47,660,829 47,660,829 0
   
Former Subpart 1 39 20 0 20 208 103 0 103 94,116,077 46,455,248 0 46,455,248
SUBTOTAL 39 20 0 20 208 103 0 103 94,116,077 46,455,248 0 46,455,248
   
GRAND 
TOTAL
39 39 19 20 208 208 105 103    94,116,077    94,116,077    47,660,829    46,455,248

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 2005 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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