Air Quality in San Bruno, United States

Windy
14.9°C · 69.3% humidity
14.9°
Feels 14.9°
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
61 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
17 6pm
17
14
14 9pm
14
14
14 12am
14
14
14 3am
14
14
14 6am
26
26
26 9am
26
26
39 12pm
14
26
26 3pm
26
26
Station readings
17
17
CAMS model adj -11
25
25
25
25
25
25
25
25
25
25
25
25
25
37
37
37
37
37
50
25
37
37
37
37
AD 728×90

PM2.5 Trend (24h)

24h · 108 stations
69.3%
Humidity
71.1 km/h
Wind WSW
1010.4 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for San Bruno?

Temperature & Precipitation

PM2.53.56 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (61 stations within 25 km)
3.56
Median
3.68
Average
1.88
Low
13.97
High
PM2.5 µg/m³ · Model: 7.4 · Bias: +3.8

What is the 7-day forecast for San Bruno?

04-09
16.4° 13.9°
0.19 mm
04-10
14.9° 12.3°
0.06 mm
04-11
13.6° 10.5°
04-12
12.2° 10.5°
1.44 mm
04-13
12.4° 9.0°
04-14
13.9° 10.1°
04-15
15.6° 11.6°
Both models agree Avg diff: 1.3°C

Where are air quality stations near San Bruno?

70
Belle Air School
0.9 km PM2.5: 21.3 µg/m³
13
San Bruno School District Office
1.0 km PM2.5: 3.1 µg/m³
12
Parkside Intermediate School
1.8 km PM2.5: 3.0 µg/m³
11
Brentwood Park
2.1 km PM2.5: 2.7 µg/m³
17
Rise South City Office
2.8 km PM2.5: 4.1 µg/m³
10
Rollingwood Elementary
2.9 km PM2.5: 2.3 µg/m³
9
Orange Memorial Park
3.0 km PM2.5: 2.2 µg/m³
10
Grand and Magnolia St
3.1 km PM2.5: 2.5 µg/m³
12
California and Cypress Ave
3.1 km PM2.5: 2.9 µg/m³
12
California and Hawthorn Pl
3.1 km PM2.5: 2.9 µg/m³

What cities are near San Bruno?

16 South San Francisco 12 Millbrae 12 Burlingame 11 Pacifica 15 Daly City 16 Visitacion Valley 12 San Mateo 16 Bayview-Hunters Point 16 Noe Valley 14 Parkside

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T21:15 UTC.