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Air quality in Ouest

Air quality index (AQI⁺) and PM2.5 air pollution in Ouest • 09:54, Sep 01

Wildfires in Ouest

Real-time information

Active fires

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Dense forest burning.
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Wildfire Map Spotlight: Austin Fire, Oregon

Evening view of Portland.
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September 1, 2026: Portland among top 10 most polluted cities in the world

Fire burning dry long grass.
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Wildfire Map Spotlight: Cottonwood Fire, Utah

Which is the most polluted city in Ouest?