Air Quality in San Bruno, United States

Windy
15.2°C · 71.7% humidity
15.2°
Feels 15.2°
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
60 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
19 3pm
18
17
12 6pm
12
12
12 9pm
12
12
12 12am
12
12
12 3am
12
12
12 6am
24
24
24 9am
24
24
37 12pm
12
24
Station readings
19
18
17
CAMS model adj -13
25
37
37
25
25
25
25
25
25
25
25
25
25
25
25
25
37
37
37
37
37
50
25
37
AD 728×90

PM2.5 Trend (24h)

25h · 106 stations
71.7%
Humidity
43.5 km/h
Wind WSW
1012.0 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for San Bruno?

Temperature & Precipitation

PM2.53.69 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (60 stations within 25 km)
3.69
Median
3.64
Average
1.62
Low
7.16
High
PM2.5 µg/m³ · Model: 7.4 · Bias: +3.7

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: 1.4°C

Where are air quality stations near San Bruno?

31
Belle Air School
0.9 km PM2.5: 7.4 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
9
Brentwood Park
2.1 km PM2.5: 2.2 µg/m³
16
Rise South City Office
2.8 km PM2.5: 3.9 µg/m³
8
Rollingwood Elementary
2.9 km PM2.5: 1.8 µg/m³
8
Orange Memorial Park
3.0 km PM2.5: 1.8 µg/m³
9
Grand and Magnolia St
3.1 km PM2.5: 2.1 µg/m³
10
California and Cypress Ave
3.1 km PM2.5: 2.4 µg/m³
10
California and Hawthorn Pl
3.1 km PM2.5: 2.4 µg/m³

What cities are near San Bruno?

17 South San Francisco 12 Millbrae 12 Burlingame 11 Pacifica 15 Daly City 18 Visitacion Valley 12 San Mateo 18 Bayview-Hunters Point 18 Noe Valley 15 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 2026-04-09T18:51 UTC.