Air Quality in San Bruno, United States

Windy
14.6°C · 65.5% humidity
14.6°
Feels 14.6°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
62 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
11 4pm
11
11
20 7pm
17
16
14 10pm
13
13
12 1am
12
12
11 4am
11
11
0 7am
0
0
0 10am
11
11
11 1pm
0
0
Station readings
10
23
16
13
CAMS model adj -43
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
34
34
34
34
54
54
54
34
34
AD 728×90

Air Quality Index Trend

43h · 1 stn

San Bruno's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

65.5%
Humidity
126.4 km/h
Wind WNW
1016.5 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
20
4.83 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for San Bruno?

Temperature & Precipitation

PM2.5 Trend

43h · 1 station
PM2.54.83 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (62 stations within 25 km)
4.83
Median
4.81
Average
3.57
Low
9.06
High
PM2.5 µg/m³ · Model: 9.65 · Bias: +4.8

What is the 7-day forecast for San Bruno?

06-09
14.6° 12.3°
06-10
16.5° 13.0°
06-11
17.4° 13.2°
06-12
16.1° 12.3°
0.13 mm
06-13
15.2° 11.8°
06-14
18.3° 13.0°
06-15
16.3° 12.0°
Both models agree Avg diff: 1.4°C

Where are air quality stations near San Bruno?

18
Belle Air School
0.9 km PM2.5: 4.4 µg/m³
28
Parkside Intermediate School (redeployment)
1.7 km PM2.5: 6.6 µg/m³
20
Parkside Intermediate School
1.8 km PM2.5: 4.8 µg/m³
18
Brentwood Park
2.1 km PM2.5: 4.4 µg/m³
38
Rise South City Office
2.8 km PM2.5: 9.1 µg/m³
18
Rollingwood Elementary
2.9 km PM2.5: 4.4 µg/m³
22
Orange Memorial Park
3.0 km PM2.5: 5.2 µg/m³
20
Grand and Magnolia St
3.1 km PM2.5: 4.7 µg/m³
20
California and Cypress Ave
3.1 km PM2.5: 4.9 µg/m³
20
California and Hawthorn Pl
3.1 km PM2.5: 4.7 µg/m³

What cities are near San Bruno?

25 South San Francisco 21 Millbrae 21 Burlingame 20 Pacifica 21 Daly City 23 Visitacion Valley 20 San Mateo 23 Bayview-Hunters Point 21 Noe Valley 20 Parkside
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T02:24 UTC.