UCSF Mount Zion Air Quality

Monitoring Station · San Francisco, United States
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
20 2am
18
23
23 5am
23
23
23 8am
23
23
23 11am
23
16
16 2pm
16
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— 5pm
—
—
— 8pm
—
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— 11pm
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Station readings
20
18
CAMS model adj -11
34
34
34
34
34
34
34
34
34
34
34
27
27
27

Air Quality Forecast (24h)

PM2.54.3 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

154
Enviro Urban (outdoor-aq)
1.5 km PM2.5: 62.0 µg/m³
38
Eddy St. & Jones St. (BC)
2.5 km PM2.5: 9.2 µg/m³
47
Howard St. & 6th St. (BC)
2.8 km PM2.5: 11.3 µg/m³
22
Broadway St. & Stockton St. (BC)
3.0 km PM2.5: 5.2 µg/m³
18
UCSF Parnassus
3.1 km PM2.5: 4.2 µg/m³
25
San Francisco-Arkansas Street, San Francisco, California
4.1 km PM2.5: 6.0 µg/m³
18
UCSF Mission Bay
5.0 km PM2.5: 4.4 µg/m³
5
Emperor Norden
5.6 km PM2.5: 1.1 µg/m³

Nearby Cities

18 San Francisco 19 Mission District 19 Noe Valley 15 Parkside 20 Bayview-Hunters Point 20 Visitacion Valley 20 Daly City 28 South San Francisco 21 Oakland

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-22T05:13 UTC.