Air Quality in San Bruno, United States

Windy
17.8°C · 68.3% humidity
17.8°
Feels 17.8°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
59 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
10 11am
10
10
30 2pm
24
27
24 5pm
22
21
20 8pm
19
18
18 11pm
18
18
17 2am
17
17
17 5am
10
10
10 8am
10
10
Station readings
6
14
15
CAMS model adj -17
27
27
27
27
27
34
34
34
34
34
34
34
34
34
34
34
34
34
34
27
27
27
27
27
AD 728×90

Air Quality Index Trend

40h · 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.

68.3%
Humidity
69.2 km/h
Wind WSW
1007.6 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
30
7.07 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for San Bruno?

Temperature & Precipitation

PM2.5 Trend

40h · 1 station
PM2.57.07 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX19.9
Extreme
AD 300×250
Station readings (59 stations within 25 km)
7.07
Median
7.18
Average
2.75
Low
12.57
High
PM2.5 µg/m³ · Model: 6.5 · Bias: -0.6

What is the 7-day forecast for San Bruno?

07-21
17.6° 13.7°
07-22
17.8° 14.3°
07-23
17.5° 16.8°
0.06 mm
07-24
19.4° 13.8°
07-25
16.2° 14.6°
07-26
19.0° 13.5°
0.06 mm
07-27
18.5° 14.0°
Both models agree Avg diff: 2.4°C

Where are air quality stations near San Bruno?

29
Belle Air School
0.9 km PM2.5: 6.9 µg/m³
30
San Bruno School District Office
1.0 km PM2.5: 7.1 µg/m³
30
Pacific Ave Residence
1.0 km PM2.5: 7.1 µg/m³
31
Garden Ave Residence
1.1 km PM2.5: 7.5 µg/m³
28
Parkside Intermediate School (redeployment)
1.7 km PM2.5: 6.6 µg/m³
30
Parkside Intermediate School
1.8 km PM2.5: 7.3 µg/m³
24
Brentwood Park
2.1 km PM2.5: 5.7 µg/m³
52
Rise South City Office
2.8 km PM2.5: 12.6 µg/m³
21
Rollingwood Elementary
2.9 km PM2.5: 5.1 µg/m³
28
Orange Memorial Park
3.0 km PM2.5: 6.8 µg/m³

What cities are near San Bruno?

33 South San Francisco 29 Millbrae 29 Burlingame 27 Pacifica 28 Daly City 29 Visitacion Valley 29 San Mateo 29 Bayview-Hunters Point 28 Noe Valley 24 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 2026-07-21T21:38 UTC.