Air Quality in Fairfield, United States
Windy
17.2°C · 63.8% humidity
17.2°
Feels 17.2°
13
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations
Nearby Monitoring Stations
AQI Forecast
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Air Quality Index Trend
47h · 4 stnFairfield's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
63.8%
Humidity
57.5 km/h
Wind NNW
1009.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
3.24 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Fairfield?
Temperature & Precipitation
PM2.5 Trend
47h · 4 stationsPM2.53.24 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (4 stations within 25 km)
3.24
Median
3.35
Average
1.9
Low
4.6
High
PM2.5 µg/m³ · Model: 7.1 · Bias: +3.9
What is the 7-day forecast for Fairfield?
06-09
26.7° 11.1°
1.88 mm
06-10
25.1° 20.7°
3.94 mm
06-11
24.9° 13.5°
6.88 mm
06-12
29.5° 18.3°
2.94 mm
06-13
28.8° 20.4°
1.69 mm
06-14
26.6° 15.8°
0.75 mm
06-15
32.1° 21.0°
1.25 mm
Both models agree
Avg diff: 3.8°C
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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 2026-06-09T02:13 UTC.