San Francisco, CA or San Jose, 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: 07/18/2026 Type: Particle Pollution (2.5 microns) Index: Good AQI Value: 50  |
Date: 07/19/2026 Type: Particle Pollution (2.5 microns) Index: Moderate AQI Value: 53  |
| Last Update:Sat, 18 Jul 2026 07:45:04 PST | |
Interactive Air Quality Index Map
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| Script courtesy of Michael Holden of Relay Weather. Data courtesy of Airnow.gov |