California and Hawthorn Pl Air Quality

Monitoring Station · South San Francisco, United States
22
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
21 11am
22
0
0 2pm
0
0
0 5pm
0
0
0 8pm
0
0
0 11pm
0
6
— 2am
—
—
— 5am
—
—
— 8am
—
—
Station readings
21
22
CAMS model adj -28
34
34
27
27
27
27
27
27
27
27
27
27
27
27
34

Air Quality Forecast (24h)

PM2.55.2 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

33
Cypress and Pine Playlot
0.3 km PM2.5: 7.9 µg/m³
22
California and Cypress Ave
0.3 km PM2.5: 5.3 µg/m³
35
Rise South City Office
0.4 km PM2.5: 8.4 µg/m³
20
Grand and Magnolia St
0.8 km PM2.5: 4.9 µg/m³
20
Gardiner Park
1.0 km PM2.5: 4.9 µg/m³
22
Orange Memorial Park
1.5 km PM2.5: 5.3 µg/m³
22
Buri Buri Park
2.8 km PM2.5: 5.3 µg/m³
18
Brentwood Park
3.1 km PM2.5: 4.4 µg/m³

Nearby Cities

27 South San Francisco 23 San Bruno 25 Visitacion Valley 23 Daly City 23 Millbrae 26 Bayview-Hunters Point 23 Pacifica 23 Burlingame 24 Noe Valley

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-29T14:51 UTC.