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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. Anenberg, Daven K. Henze, Veronica Tinney, Patrick L.

Pollution 207
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TOAR shows present-day global ozone distribution and trends relevant to health; public database

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Even so, during 2010-2014, people in parts of California, Arizona, Colorado, Texas, the Midwest and the Middle Atlantic still experienced more than 15 days a year in which ozone levels exceeded the US health-based air quality standard of 70 parts per billion (ppb) averaged over eight hours. Owen Cooper. Malley, Owen R. Cooper, Joseph P.

Ozone 255