California and Hawthorn Pl Air Quality

Monitoring Station · South San Francisco, United States
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
26 7pm
25
25
25 10pm
32
32
32 1am
32
32
32 4am
32
32
32 7am
32
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Station readings
26
25
CAMS model adj -2
27
27
27
27
34
34
34
34
34
34
34
34
34
34

Air Quality Forecast (24h)

PM2.55.9 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

30
Cypress and Pine Playlot
0.3 km PM2.5: 7.3 µg/m³
26
California and Cypress Ave
0.3 km PM2.5: 6.3 µg/m³
44
Rise South City Office
0.4 km PM2.5: 10.6 µg/m³
25
Grand and Magnolia St
0.8 km PM2.5: 6.1 µg/m³
25
Gardiner Park
1.0 km PM2.5: 5.9 µg/m³
28
Orange Memorial Park
1.5 km PM2.5: 6.8 µg/m³
30
Pacific Ave Residence
2.2 km PM2.5: 7.1 µg/m³
26
Buri Buri Park
2.8 km PM2.5: 6.2 µg/m³

Nearby Cities

30 South San Francisco 27 San Bruno 29 Visitacion Valley 27 Daly City 27 Millbrae 28 Bayview-Hunters Point 25 Pacifica 27 Burlingame 28 Noe Valley

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T22:04 UTC.