California and Hawthorn Pl Air Quality

Monitoring Station · South San Francisco, United States
14
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
20 9pm
20
20
20 12am
40
40
40 3am
40
40
40 6am
40
40
40 9am
40
20
— 12pm
—
—
— 3pm
—
—
— 6pm
—
—
CAMS model adj -14
34
34
34
34
54
54
54
54
54
54
54
54
54
54
34

Air Quality Forecast (24h)

PM2.53.4 µg/m³ ✓ WHO
Good
View city history →

Nearby Monitoring Stations

19
Cypress and Pine Playlot
0.3 km PM2.5: 4.6 µg/m³
15
California and Cypress Ave
0.3 km PM2.5: 3.7 µg/m³
19
Rise South City Office
0.4 km PM2.5: 4.6 µg/m³
14
Grand and Magnolia St
0.8 km PM2.5: 3.4 µg/m³
14
Gardiner Park
1.0 km PM2.5: 3.3 µg/m³
13
Orange Memorial Park
1.5 km PM2.5: 3.2 µg/m³
15
Buri Buri Park
2.8 km PM2.5: 3.5 µg/m³
13
Brentwood Park
3.1 km PM2.5: 3.2 µg/m³

Nearby Cities

23 South San Francisco 24 San Bruno 19 Visitacion Valley 8 Daly City 20 Millbrae 25 Bayview-Hunters Point 3 Pacifica 22 Burlingame 10 Noe Valley

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-29T00:24 UTC.