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Air quality in San Jose

Air quality index (AQI⁺) and PM2.5 air pollution in San Jose • 13:39, Aug 28

Wildfires in San Jose

Real-time information

Active fires

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Transboundary Air Quality Alert: Southeast Asia

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August 28, 2026: Delhi among top 10 most polluted cities in the world

Wildfire at night.
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Wildfire Map Spotlight: Bug and Stallion Fires, Nevada

Which is the most polluted city in San Jose?