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

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
11.5
Median
11.53
Average
7.29
Low
18.8
High
PM2.5 µg/m³ · Model: 10.85 · Bias: -0.6
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 2026-06-09T03:40 UTC.