NASA On Air: U.S. Air Quality Improving (6/26/2014)
LEAD: The air we breathe is getting cleaner.
That from nearly 10 years of observations from NASA’s Aura satellite.
Nitrogen dioxide levels have decreased thanks to technological improvements in cars and power plants.
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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Producer
- Howard Joe Witte (ADNET Systems, Inc.)
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Video editor
- Joy Ng (USRA)
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Project support
- Aaron E. Lepsch (ADNET Systems, Inc.)
Related
- ID: 11579
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Release date
This page was originally published on Thursday, June 26, 2014.
This page was last updated on Thursday, October 10, 2024 at 12:16 AM EDT.