Sulfur Dioxide (2010) Nonattainment Area Summary with History

Data is current as of May 31, 2019

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

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	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	42	38	4	38	58	53	5	1,935,225	3,366,282	3,095,483	270,799
SUBTOTAL	29	42	38	4	38	58	53	5	1,935,225	3,366,282	3,095,483	270,799
GRAND TOTAL	29	42	38	4	38	58	53	5	1,935,225	3,366,282	3,095,483	270,799

* 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 within groups.
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