Air Quality in Fairfax, United States

Windy
10.9°C · 38.7% humidity
10.9°
Feels 10.9°
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast Calibrated
26 8pm
26
26
26 11pm
26
26
26 2am
39
39
39 5am
39
39
39 8am
39
64
64 11am
64
64
64 2pm
64
39
39 5pm
39
39
Station readings
26
26
CAMS model adj -11
37
37
37
37
37
37
37
50
50
50
50
50
50
50
75
75
75
75
75
75
50
50
50
50
AD 728×90

PM2.5 Trend (24h)

22h · 1 station
38.7%
Humidity
43.2 km/h
Wind SSE
1030.7 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Fairfax?

Temperature & Precipitation

PM2.56.67 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
AD 300×250

What is the 7-day forecast for Fairfax?

04-09
14.4° 2.8°
04-10
19.2° 6.6°
04-11
22.2° 10.7°
04-12
22.6° 13.0°
04-13
27.6° 14.1°
04-14
29.3° 17.7°
04-15
25.0° 19.8°
Both models agree Avg diff: 3.5°C

Where are air quality stations near Fairfax?

22
Lee District Park - Fairfax County, Northern Virginia, USA
19.3 km
23
Lee District Park - Fairfax County, Northern Virginia, USA
19.3 km
23
Lee District Park - Fairfax County, Northern Virginia, USA
19.3 km
23
Aurora Hills Visitor Center, Northern Virginia, USA
21.4 km
21
Ashburn - Broad Run High School, Northern Virginia, USA
25.4 km
21
Ashburn - Broad Run High School, Northern Virginia, USA
25.4 km

What cities are near Fairfax?

28 Oakton 28 Burke 28 Vienna 28 Merrifield 28 Annandale 28 Idylwood 28 Tysons 28 West Falls Church 28 Wolf Trap 22 Centreville

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T23:08 UTC.