Air Quality
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Smoke filled river valleys in northeastern Washington and parts of British Columbia.
Lightning likely ignited several large fires that sent smoke pouring over the Canadian province in early September 2025.
Skies are full of smoke in parts of the Canadian province as thousands of people face evacuation orders.
Chiang Mai, a city in northern Thailand popular with tourists, faces seasonal spikes in air pollution. Â
Many cities have shortages of air quality monitors. NASA scientists have developed a tool called GEOS-CF that can help.
Even with fewer fires than normal in fall 2023, poor air quality plagued the region.
Flanked by mountain ranges on three sides, the basin in northwestern China sees frequent dust storms.
Satellite observations show that students of color in the U.S. attend public schools with higher concentrations of air pollution than…
Fierce fires in Canada are the source of smoke that has swirled across much of the continent.
