Air Quality in San Bruno, United States

Windy
15.7°C · 76.4% humidity
15.7°
Feels 15.7°
4
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
16 4pm
16
16
4 7pm
13
20
24 10pm
28
30
12 1am
13
14
14 4am
8
15
15 7am
16
16
16 10am
16
16
16 1pm
16
16
Station readings
23
16
CAMS model adj -18
34
34
34
54
54
54
54
54
54
34
34
34
34
27
34
34
34
34
34
34
34
34
34
34
AD 728×90

Air Quality Index Trend

44h · 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.

76.4%
Humidity
47.4 km/h
Wind SW
1011.8 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
4
1.0 µg/m³
PM10▲
65
84.3 µg/m³
050100150200300500

What is the weather forecast for San Bruno?

Temperature & Precipitation

PM2.5 Trend

44h · 1 station
PM2.51.0 µg/m³ ✓ WHO
Good
PM1084.3 µg/m³
Moderate
UV INDEX12.9
Extreme
AD 300×250
Station readings (1 station within 25 km)
1.0
Median
1.0
Average
1.0
Low
1.0
High
PM2.5 µg/m³ · Model: 30.95 · Bias: +30.0

What is the 7-day forecast for San Bruno?

08-03
17.2° 14.4°
0.13 mm
08-04
15.9° 14.3°
0.06 mm
08-05
17.5° 13.7°
08-06
16.7° 14.6°
08-07
17.2° 14.5°
08-08
16.5° 14.4°
0.06 mm
08-09
20.1° 15.0°
Both models agree Avg diff: 1.5°C

Where are air quality stations near San Bruno?

25
Belle Air School
0.9 km PM2.5: 5.9 µg/m³
25
San Bruno School District Office
0.9 km PM2.5: 6.1 µg/m³
30
Pacific Ave Residence
1.0 km PM2.5: 7.2 µg/m³
27
Garden Ave Residence
1.1 km PM2.5: 6.5 µg/m³
32
Parkside Intermediate School
1.7 km PM2.5: 7.6 µg/m³
23
Brentwood Park
2.1 km PM2.5: 5.4 µg/m³
40
Rise South City Office
2.8 km PM2.5: 9.5 µg/m³
21
Rollingwood Elementary
2.9 km PM2.5: 5.0 µg/m³
25
Orange Memorial Park
3.0 km PM2.5: 5.9 µg/m³
29
California and Hawthorn Pl
3.1 km PM2.5: 6.9 µg/m³

What cities are near San Bruno?

4 South San Francisco 4 Millbrae 4 Burlingame 4 Pacifica 4 Daly City 4 Visitacion Valley 91 San Mateo 4 Bayview-Hunters Point 4 Noe Valley 4 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 2026-08-08T02:08 UTC.