Air Quality in Fairfax, United States

Overcast
19.8°C · 94.4% humidity
19.8°
Feels 19.8°
11
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast
25 6am
27
27
11 9am
16
19
28 12pm
23
24
25 3pm
25
26
26 6pm
26
27
34 9pm
54
54
54 12am
54
54
54 3am
54
54
AD 728×90

Air Quality Index Trend

47h · 2 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
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
11
2.6 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.52.6 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX6.9
High
AD 300×250
2.6
Median
2.6
Average
2.6
Low
2.6
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +3.7
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 2026-06-09T13:29 UTC.