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Sulfur Dioxide (2010) Nonattainment Area Summary with History

Data is current as of May 31, 2022

Original SO2 (2010) areas were designated effective October 4, 2013.


  NUMBER OF AREAS NUMBER OF COUNTIES 2010 POPULATION
Classif. Original 2013 Baseline Adjusted
Baseline*
Today Redesig Original 2013 Baseline Adjusted
Baseline*
Today Redesig Original 2013 Baseline Adjusted
Baseline*
Today Redesig
Nonattainment 29 49 30 19 38 66 40 26 1,935,225 3,335,463 2,021,927 1,313,536
SUBTOTAL 29 49 30 19 38 66 40 26 1,935,225 3,335,463 2,021,927 1,313,536
   
GRAND
TOTAL
29 49 30 19 38 66 40 26 1,935,225 3,335,463 2,021,927 1,313,536

* 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 2013 nonattainment areas.

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