UCSF Mount Zion

Monitoring Station · San Francisco, United States

7

Good

Air quality is satisfactory. Enjoy outdoor activities.

Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous

AQI Forecast Calibrated

7 3pm

7

7

1 6pm

1

1

1 9pm

1

1

1 12am

1

1

1 3am

1

1

— 6am

—

—

— 9am

—

—

— 12pm

—

—

Station readings

7

7

7

CAMS model adj -24

25

37

37

25

25

25

25

25

25

25

25

25

25

25

25

Air Quality Trend (24h)

PM2.51.7 µg/m³ ✓ WHO

Good

Nearby Monitoring Stations

Eddy St. & Jones St. (BC)

2.5 km PM2.5: 3.0 µg/m³

Howard St. & 6th St. (BC)

2.8 km PM2.5: 2.6 µg/m³

Broadway St. & Stockton St. (BC)

3.0 km PM2.5: 3.0 µg/m³

3.1 km PM2.5: 2.7 µg/m³

9th St. and Brannan St. (BC)

3.3 km PM2.5: 2.9 µg/m³

San Francisco-Arkansas Street, San Francisco, California

UCSF Mission Bay

5.0 km PM2.5: 2.3 µg/m³

5.6 km PM2.5: 0.0 µg/m³

Nearby Cities

18 San Francisco 18 Mission District 18 Noe Valley 15 Parkside 18 Bayview-Hunters Point 18 Visitacion Valley 15 Daly City 17 South San Francisco 18 Oakland

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-09T18:51 UTC.