Bad Air Days Avoided - related image preview

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Bad Air Days Avoided - related image preview

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Bad Air Days Avoided

With new regulations of ozone-forming pollutants, bad air quality days in the eastern United States have dropped.


NASA Earth Observatory map by Joshua Stevens, using ozone exceedance data courtesy of Chris Loughner, University of Maryland. Caption by Adam Voiland.

Published May 26, 2016
Data acquired 2002 - 2011

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