Air Quality in Fairfax, United States

Overcast
19.8°C · 94.4% humidity
19.8°
Feels 19.8°
13
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast
25 2am
25
25
13 5am
16
21
23 8am
24
25
25 11am
33
26
26 2pm
27
27
27 5pm
27
27
27 8pm
34
54
54 11pm
54
54
AD 728×90

Air Quality Index Trend

47h · 3 stn

Fairfax's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

94.4%
Humidity
18.0 km/h
Wind SSW
1015.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
13
3.23 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

47h · 3 stations
PM2.53.23 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
3.23
Median
3.25
Average
3.1
Low
3.4
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +2.8
06-09
31.5° 13.6°
0.19 mm
06-10
30.7° 23.3°
5.38 mm
06-11
25.3° 12.5°
06-12
29.2° 17.4°
0.25 mm
06-13
30.3° 21.4°
0.31 mm
06-14
26.3° 19.7°
3.38 mm
06-15
24.6° 13.9°
0.44 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 2026-06-09T09:29 UTC.