NASA On Air: U.S. Air Quality Improving (6/26/2014)
LEAD: The air we breathe is getting cleaner.
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That from nearly 10 years of observations from NASA’s Aura satellite.
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Nitrogen dioxide levels have decreased thanks to technological improvements in cars and power plants.
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Comparing 2005 to 2011, the biggest gains are in large eastern cities.
TAG: These are important developments for those with respiratory difficulties.
EXTRA: Nitrogen dioxide levels down by...(see percentages below for select cities).
NYC: 32%
Philadelphia: 26%
Chicago: 43%
Atlanta: 42%
Los Angeles: 40%
Houston: 24%
Credits
Please give credit for this item to:
NASA's Goddard Space Flight Center
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Video editor
- Joy Ng (KBR Wyle Services, LLC)
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Producer
- Howard Joe Witte (ADNET Systems, Inc.)
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Project support
- Aaron E. Lepsch (ADNET Systems, Inc.)
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