California and Hawthorn Pl Air Quality

Monitoring Station · South 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 4am
21
21
21 7am
21
21
21 10am
21
21
21 1pm
1
1
1 4pm
1
—
— 7pm
—
—
— 10pm
—
—
— 1am
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CAMS model adj -33
54
54
54
54
54
54
54
54
54
54
34
34
34
34

Air Quality Forecast (24h)

PM2.55.5 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

36
Cypress and Pine Playlot
0.3 km PM2.5: 8.6 µg/m³
25
California and Cypress Ave
0.3 km PM2.5: 6.0 µg/m³
32
Rise South City Office
0.4 km PM2.5: 7.6 µg/m³
22
Grand and Magnolia St
0.8 km PM2.5: 5.3 µg/m³
23
Gardiner Park
1.0 km PM2.5: 5.5 µg/m³
22
Orange Memorial Park
1.5 km PM2.5: 5.3 µg/m³
23
Buri Buri Park
2.8 km PM2.5: 5.6 µg/m³
20
Brentwood Park
3.1 km PM2.5: 4.8 µg/m³

Nearby Cities

12 South San Francisco 12 San Bruno 12 Visitacion Valley 12 Daly City 12 Millbrae 12 Bayview-Hunters Point 12 Pacifica 12 Burlingame 12 Noe Valley

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T07:09 UTC.