Air Quality in San Bernardino, United States

Windy
31.1°C · 20.2% humidity
31.1°
Feels 31.1°
43
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast
54 7am
54
54
43 10am
46
48
50 1pm
51
52
53 4pm
53
53
53 7pm
54
54
54 10pm
54
54
54 1am
54
54
54 4am
54
66
AD 728×90

Air Quality Index Trend

46h · 5 stn

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

20.2%
Humidity
48.2 km/h
Wind SSW
1009.1 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
43
10.26 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for San Bernardino?

Temperature & Precipitation

PM2.5 Trend

46h · 5 stations
PM2.510.26 µg/m³ ✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX12.9
Extreme
AD 300×250
Station readings (5 stations within 25 km)
10.26
Median
9.1
Average
6.76
Low
10.75
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +3.2

What is the 7-day forecast for San Bernardino?

07-21
31.1° 22.5°
07-22
33.3° 20.7°
07-23
33.2° 20.4°
1.44 mm
07-24
34.1° 22.2°
0.19 mm
07-25
30.2° 21.8°
07-26
35.2° 19.1°
07-27
34.0° 21.1°
Both models agree Avg diff: 3.7°C

Where are air quality stations near San Bernardino?

44
San Bernardino
3.3 km PM2.5: 10.5 µg/m³
35
EHS Building
14.6 km PM2.5: 8.5 µg/m³
45
Emerbee's
15.1 km PM2.5: 10.8 µg/m³
174
Lake Gregory (Crestline), San Bernardino
15.1 km PM2.5: 100.0 µg/m³
36
Lake Gregory (Crestline), San Bernardino
15.1 km PM2.5: 8.6 µg/m³
28
C&C Center
15.6 km PM2.5: 6.8 µg/m³
38
4001 Iowa Ave Riverside CA
15.8 km PM2.5: 9.0 µg/m³
165
Rubidoux - Mission Blvd, Riverside
16.8 km PM2.5: 82.6 µg/m³
57
Rubidoux - Mission Blvd, Riverside
16.8 km PM2.5: 15.0 µg/m³

What cities are near San Bernardino?

42 Colton 38 Loma Linda 42 Rialto 40 Highland 38 Redlands 40 Fontana 38 Rubidoux 36 Moreno Valley 37 Riverside 38 Glen Avon
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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 2026-07-21T17:15 UTC.