air pollution,pollution,science,air quality,NASA, images, nasa,US air

June 29, 2014 11:23 AM

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air pollution,pollution,science,air quality,NASA, images, nasa,US air

NASA's Aura satellite's new images have revealed that overall air quality in the United States and specifically over much of the eastern US, including Washington D. C, is improving if nitrogen dioxide levels across the country are taken into account.

Taking pollution levels between 2005 and 2007, the levels of nitrogen dioxide during that time to pollution levels in the air between 2009 and 2011 were compared by the researchers before coming to this conclusion.

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