Air Quality in Fontana, United States
Clear
27.1°C · 47.6% humidity
27.1°
Feels 28.8°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
8 stations
Nearby Monitoring Stations
AQI Forecast
66
5am
66
66
30
8am
37
42
25
11am
21
22
24
2pm
25
32
33
5pm
33
53
54
8pm
54
54
54
11pm
54
54
54
2am
54
54
Air Quality Index Trend
45h · 9 stnFontana's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
47.6%
Humidity
32.0 km/h
Wind S
1017.0 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
7.11 µg/m³
PM10▲
41.15 µg/m³
050100150200300500
What is the weather forecast for Fontana?
Temperature & Precipitation
PM2.5 Trend
45h · 9 stationsPM2.57.11 µg/m³
✓ WHO
Good
PM1041.15 µg/m³
Good
UV INDEX2.9
Moderate
Station readings (8 stations within 25 km)
7.11
Median
7.16
Average
4.1
Low
10.13
High
PM2.5 µg/m³ · Model: 16.35 · Bias: +9.2
What is the 7-day forecast for Fontana?
09-05
28.6° 19.0°
09-06
32.8° 17.7°
09-07
34.7° 17.3°
1.13 mm
09-08
34.6° 12.6°
0.44 mm
09-09
31.0° 15.6°
09-10
31.8° 11.3°
09-11
36.6° 16.4°
Both models agree
Avg diff: 5.2°C
Where are air quality stations near Fontana?
42
San Bernardino
17
Rubidoux - Mission Blvd, Riverside
32
4001 Iowa Ave Riverside CA
31
Emerbee's
25
EHS Building
24
C&C Center
35
Lake Gregory (Crestline), San Bernardino
33
Lake Gregory (Crestline), San Bernardino
What cities are near Fontana?
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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 2026-09-05T15:53 UTC.