Air Quality in Fontana, United States

Clear
16.9°C · 43.3% humidity
16.9°
Feels 16.9°
48
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations

Nearby Monitoring Stations

AQI Forecast
54 5pm
54
54
48 8pm
50
51
52 11pm
52
53
53 2am
53
54
54 5am
54
54
54 8am
54
54
54 11am
54
54
54 2pm
54
54
AD 728×90

Air Quality Index Trend

46h · 13 stn

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

43.3%
Humidity
8.8 km/h
Wind WNW
1011.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
48
11.5 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Fontana?

Temperature & Precipitation

PM2.5 Trend

46h · 13 stations
PM2.511.5 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (7 stations within 25 km)
11.5
Median
11.53
Average
7.29
Low
18.8
High
PM2.5 µg/m³ · Model: 10.85 · Bias: -0.6

What is the 7-day forecast for Fontana?

06-09
28.4° 12.7°
06-10
30.7° 14.7°
06-11
28.3° 15.1°
06-12
30.2° 17.1°
0.06 mm
06-13
33.6° 16.5°
06-14
28.1° 18.8°
06-15
26.7° 10.2°
0.13 mm
Both models agree Avg diff: 3.1°C

Where are air quality stations near Fontana?

55
San Bernardino
10.2 km PM2.5: 13.9 µg/m³
44
Rubidoux - Mission Blvd, Riverside
10.5 km PM2.5: 10.6 µg/m³
45
Rubidoux - Mission Blvd, Riverside
10.5 km PM2.5: 10.8 µg/m³
41
4001 Iowa Ave Riverside CA
15.8 km PM2.5: 9.9 µg/m³
46
Emerbee's
16.2 km PM2.5: 11.0 µg/m³
37
EHS Building
16.4 km PM2.5: 8.8 µg/m³
30
C&C Center
17.1 km PM2.5: 7.3 µg/m³
51
Lake Gregory (Crestline), San Bernardino
22.5 km PM2.5: 12.1 µg/m³
57
Lake Gregory (Crestline), San Bernardino
22.5 km PM2.5: 15.0 µg/m³

What cities are near Fontana?

53 Rialto 44 Glen Avon 45 Rubidoux 52 Colton 43 Jurupa Valley 54 San Bernardino 48 Rancho Cucamonga 41 Riverside 45 Loma Linda 41 Eastvale
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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 2026-06-09T03:40 UTC.