What is the air quality in Fontana today?

The current Air Quality Index (AQI) in Fontana is 41 (Good). PM2.5 concentration is 9.76 µg/m³.

What is the temperature in Fontana right now?

The current temperature in Fontana is 28.9°C (feels like 28.9°C). Humidity is 8.2% and wind speed is 30.3 km/h.

Is it safe to go outside in Fontana?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Fontana, United States

Clear

28.9°C · 8.2% humidity

28.9°

Feels 28.9°

Good

Air quality is satisfactory. Enjoy outdoor activities.

9 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 9 stn

View full history →

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.

8.2%

Humidity

30.3 km/h

Wind SSE

1018.1 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

9.76 µg/m³

PM10▲

54.9 µg/m³

050100150200300500

What is the weather forecast for Fontana?

Temperature & Precipitation

PM2.5 Trend

45h · 9 stations

PM2.59.76 µg/m³ ✓ WHO

Good

PM1054.9 µg/m³

Moderate

UV INDEX0.0

Low

Station readings (9 stations within 25 km)

9.76

Median

8.98

Average

5.67

Low

13.1

High

PM2.5 µg/m³ · Model: 13.5 · Bias: +3.7

What is the 7-day forecast for Fontana?

10-20

28.9° 15.9°

10-21

23.7° 13.0°

10-22

26.6° 15.5°

10-23

22.6° 14.3°

10-24

23.7° 13.0°

0.13 mm

10-25

21.7° 6.3°

10-26

23.2° 12.8°

4.25 mm

Both models agree Avg diff: 4.3°C

Where are air quality stations near Fontana?

San Bernardino

10.2 km PM2.5: 9.2 µg/m³

Rubidoux - Mission Blvd, Riverside

10.5 km PM2.5: 13.1 µg/m³

Rubidoux - Mission Blvd, Riverside

10.5 km PM2.5: 11.3 µg/m³

Rubidoux - Mission Blvd, Riverside

10.5 km PM2.5: 26.8 µg/m³

4001 Iowa Ave Riverside CA

15.8 km PM2.5: 6.9 µg/m³

Emerbee's

16.2 km PM2.5: 7.3 µg/m³

EHS Building

16.4 km PM2.5: 6.3 µg/m³

C&C Center

17.1 km PM2.5: 5.5 µg/m³

Lake Gregory (Crestline), San Bernardino

22.5 km PM2.5: 9.1 µg/m³

Lake Gregory (Crestline), San Bernardino

22.5 km PM2.5: 12.0 µg/m³

What cities are near Fontana?

39 Rialto 45 Glen Avon 50 Rubidoux 38 Colton 43 Jurupa Valley 38 San Bernardino 48 Rancho Cucamonga 39 Riverside 35 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 2026-10-20T20:06 UTC.