UCSF Mount Zion Air Quality
Monitoring Station
· San Francisco, United States
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
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
—
—
—
10am
—
—
—
1pm
—
—
CAMS model
adj -11
34
34
34
34
34
34
34
27
27
34
34
34
34
34
34
Air Quality Forecast (24h)
PM2.55.4 µg/m³
✓ WHO
Good
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21
UCSF Parnassus
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San Francisco-Arkansas Street, San Francisco, California
25
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29
ATB Jerrold Ave. San Francisco, Ca 94124
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28
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25
UCSF Hunter’s Point
Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-09-05T19:13 UTC.