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The Nexus
HEALTHJul 17 · 16:59 UTCSCIENTIFIC AMERICAN

U.S. cities have the worst air quality in the world right now—here’s how to stay safe

U.S. cities currently have the worst air quality globally, with wildfire smoke being up to 10 times more dangerous than other air pollution forms, according to research.

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U.S. cities have the worst air quality in the world right now—here’s how to stay safe · The Nexus