International study finds air pollution leads to millions of hospital visits for asthma attacks worldwide

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Although the air in the United States is relatively clean compared to South and East Asian countries, ozone and particulate matter were estimated to contribute 8 to 21 percent and 3 to 11 percent of asthma ER visits in the United States, respectively.

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Satellite method provides insight into ozone-NOx-VOCs sensitivity for different locations

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Both are represented in the study by a major gas of each type, the VOC formaldehyde and NO 2 , that are measureable from space by the Dutch-Finnish Ozone Monitoring Instrument aboard NASA’s Aura satellite, launched in 2004.

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