Air Quality in Chantilly, United States
Clear
27.4°C · 46.0% humidity
27.4°
Feels 29.0°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Chantilly's air quality — share it
AQI Forecast
25
8pm
25
25
25
11pm
25
25
25
2am
25
25
25
5am
25
25
25
8am
25
25
25
11am
25
25
25
2pm
25
25
25
5pm
25
27
Air Quality Index Trend
46h · 29 stnChantilly's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
46.0%
Humidity
15.2 km/h
Wind WNW
1012.3 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.0 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Chantilly?
Temperature & Precipitation
PM2.5 Trend
46h · 29 stationsPM2.56.0 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
What is the 7-day forecast for Chantilly?
08-03
27.4° 20.3°
6.56 mm
08-04
37.6° 20.9°
08-05
34.7° 19.2°
1.06 mm
08-06
29.6° 21.1°
08-07
34.0° 20.2°
1.12 mm
08-08
36.6° 21.2°
1.75 mm
08-09
35.4° 21.3°
0.75 mm
Both models agree
Avg diff: 3.4°C
Where are air quality stations near Chantilly?
15
Ashburn - Broad Run High School, Northern Virginia, USA
15
Long Park - Haymarket, Northern Virginia, USA
What cities are near Chantilly?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T03:45 UTC.