Air Quality in Chantilly, United States

Rain
18.6°C · 63.7% humidity
18.6°
Feels 18.6°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
25 5pm
25
25
25 8pm
25
25
25 11pm
25
25
25 2am
25
24
24 5am
24
24
24 8am
24
24
24 11am
24
24
24 2pm
24
24
AD 728×90

Air Quality Index Trend

47h · 2 stn

Chantilly's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Chantilly is 1.2× the WHO annual guideline of 5 µg/m³.

63.7%
Humidity
31.0 km/h
Wind NW
1020.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
25
6.0 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Chantilly?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.56.0 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250

What is the 7-day forecast for Chantilly?

05-29
26.0° 9.1°
7.5 mm
05-30
24.1° 17.2°
2.25 mm
05-31
29.0° 9.2°
06-01
30.1° 12.8°
2.44 mm
06-02
25.1° 12.4°
06-03
25.4° 20.6°
5.94 mm
06-04
23.0° 19.9°
2.12 mm
Both models agree Avg diff: 4.0°C

Where are air quality stations near Chantilly?

13
Ashburn - Broad Run High School, Northern Virginia, USA
15.4 km PM2.5: 3.1 µg/m³
49
Long Park - Haymarket, Northern Virginia, USA
18.2 km PM2.5: 11.8 µg/m³

What cities are near Chantilly?

25 Oak Hill 25 Centreville 25 South Riding 30 Herndon 30 Reston 15 Oakton 15 Fairfax 25 Sterling 25 Sudley 25 Manassas Park
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T00:11 UTC.