Air Quality in Fontana, United States

Windy
28.4°C · 18.1% humidity
28.4°
Feels 28.4°
46
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations

Nearby Monitoring Stations

AQI Forecast
54 4pm
54
54
46 7pm
48
50
51 10pm
52
52
53 1am
53
53
54 4am
54
54
54 7am
54
54
54 10am
54
54
54 1pm
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.

18.1%
Humidity
67.6 km/h
Wind SSW
1009.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
46
11.09 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

46h · 13 stations
PM2.511.09 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
11.09
Median
11.61
Average
6.7
Low
20.7
High
PM2.5 µg/m³ · Model: 10.85 · Bias: -0.2
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
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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 2026-06-09T02:44 UTC.