Tag: Air Quality
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A Week of Smoky Skies Across North America
Brown carbon, emitted by wildland fires and tracked over the span of a week in July 2026, worsened air quality in parts of the U.S. and Canada.
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Ontario Wildfire Smoke Moves East
Canadian wildfires sent plumes of smoke streaming over Ontario, Quebec, and parts of the U.S. Midwest and Northeast.
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Air Pollution’s Daily Pulse Over the Northeast
The TEMPO mission helped scientists track morning nitrogen dioxide that contributed to afternoon ozone along the New York–Washington corridor in May 2026.
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NASA-Funded Study Shows Wildfire Smoke’s Hidden Ozone Toll
Over the last decade, wildfires have worsened ground-level ozone pollution across much of the contiguous United States, creating unhealthy air far from active flames.

