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Air quality in San Jose

Air quality index (AQI⁺) and PM2.5 air pollution in San Jose • 02:38, Aug 12

Wildfires in San Jose

Real-time information

Active fires

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Chile Air Quality Alert

Polluted skies.
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Transboundary Air Quality Alert: Kuching, Malaysia most polluted major city

Close-up of an intense, blazing wildfire.
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Wildfire Map Spotlight: Big Grass Fire, Oregon and Idaho

Which is the most polluted city in San Jose?