Grand and Magnolia St

Monitoring Station · South San Francisco, United States
11
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
10 7pm
11
5
5 10pm
5
5
5 1am
5
5
5 4am
5
5
17 7am
17
—
— 10am
—
—
— 1pm
—
—
— 4pm
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Station readings
10
11
CAMS model adj -20
25
25
25
25
25
25
25
25
25
25
25
25
37
37

Air Quality Trend (24h)

PM2.52.7 µg/m³ ✓ WHO
Good

Nearby Monitoring Stations

17
Rise South City Office
0.6 km PM2.5: 4.1 µg/m³
10
Orange Memorial Park
0.7 km PM2.5: 2.3 µg/m³
12
California and Hawthorn Pl
0.8 km PM2.5: 3.0 µg/m³
12
California and Cypress Ave
1.1 km PM2.5: 2.9 µg/m³
16
Cypress and Pine Playlot
1.1 km PM2.5: 3.8 µg/m³
11
Gardiner Park
1.7 km PM2.5: 2.6 µg/m³
9
Buri Buri Park
2.0 km PM2.5: 2.2 µg/m³
11
Brentwood Park
2.5 km PM2.5: 2.7 µg/m³

Nearby Cities

15 South San Francisco 14 San Bruno 14 Daly City 15 Visitacion Valley 13 Millbrae 12 Pacifica 15 Bayview-Hunters Point 12 Burlingame 15 Noe Valley

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-09T22:20 UTC.