UCSF Mount Zion Air Quality

Monitoring Station · San Francisco, United States
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
23 4pm
23
23
23 7pm
23
23
23 10pm
16
16
23 1am
23
23
23 4am
23
23
7am
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CAMS model adj -11
34
34
34
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34
34
34
27
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34
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34
34
PM2.55.4 µg/m³ ✓ WHO
Good
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-09-05T19:13 UTC.