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Contact: Kathryn Hansen
kathryn.h.hansen@nasa.gov
301-286-1046
NASA/Goddard Space Flight Center

Nitrogen Dioxide Pollution, Averaged Yearly From 2005-2011

Caption: Nitrogen dioxide pollution, averaged yearly from 2005-2011, has decreased across the United States.

Credit: NASA Goddard's Scientific Visualization Studio/T. Schindler

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Related news release: New NASA images highlight US air quality improvement


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