San Francisco, CA or Santa Clara, CA Air Quality Index
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| Air Quality Forecast | |
| Forecast Location: San Francisco, CA Forecast Agency: Bay Area Air District |
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| Two Day Forecast | |
| Day One Forecast | Day Two Forecast |
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Date: 04/20/2025 Type: Particle Pollution (2.5 microns) Index: Good AQI Value: 50  |
Date: 04/21/2025 Type: Particle Pollution (2.5 microns) Index: Good AQI Value: 44 |
| Last Update:Sun, 20 Apr 2025 09:15:04 PST | |
Current Hourly Air Quality Index Map
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Today's Air Quality Forecast
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Today's Air Quality Timed Animation
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| Script courtesy of Michael Holden of Relay Weather. Data courtesy of Airnow.gov |