Air Quality in Fontana, United States

Clear
13.7°C · 38.5% humidity
13.7°
Feels 13.7°
24
Good
Air quality is satisfactory. Enjoy outdoor activities.
6 stations

Nearby Monitoring Stations

AQI Forecast
54 4am
54
54
24 7am
33
39
43 10am
46
48
50 1pm
51
52
53 4pm
53
53
53 7pm
54
54
54 10pm
54
54
54 1am
54
54
AD 728×90

Air Quality Index Trend

46h · 14 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. Current PM2.5 concentration in Fontana is 1.2× the WHO annual guideline of 5 µg/m³.

38.5%
Humidity
34.6 km/h
Wind N
1012.6 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
24
5.84 µg/m³
PM10▲
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Fontana?

Temperature & Precipitation

PM2.5 Trend

46h · 14 stations
PM2.55.84 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (6 stations within 25 km)
5.84
Median
5.54
Average
4.21
Low
7.71
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +4.2

What is the 7-day forecast for Fontana?

05-29
31.3° 13.7°
05-30
19.1° 9.9°
05-31
28.3° 16.5°
06-01
31.2° 11.7°
06-02
28.1° 9.2°
06-03
28.4° 6.7°
06-04
24.3° 12.0°
Both models agree Avg diff: 4.2°C

Where are air quality stations near Fontana?

32
San Bernardino
10.2 km PM2.5: 7.7 µg/m³
25
Rubidoux - Mission Blvd, Riverside
10.5 km PM2.5: 6.0 µg/m³
16
Rubidoux - Mission Blvd, Riverside
10.5 km PM2.5: 3.8 µg/m³
23
4001 Iowa Ave Riverside CA
15.8 km PM2.5: 5.4 µg/m³
26
Emerbee's
16.2 km PM2.5: 6.2 µg/m³
20
EHS Building
16.4 km PM2.5: 4.7 µg/m³
18
C&C Center
17.1 km PM2.5: 4.2 µg/m³
23
Lake Gregory (Crestline), San Bernardino
22.5 km PM2.5: 5.5 µg/m³
23
Lake Gregory (Crestline), San Bernardino
22.5 km PM2.5: 5.5 µg/m³

What cities are near Fontana?

29 Rialto 22 Glen Avon 21 Rubidoux 28 Colton 22 Jurupa Valley 30 San Bernardino 24 Rancho Cucamonga 22 Riverside 24 Loma Linda 21 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 2026-05-29T14:46 UTC.