Air Quality in Ashburn, United States

Drizzle
31.6°C · 54.9% humidity
31.6°
Feels 36.0°
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast
25 10am
25
25
28 1pm
24
25
24 4pm
24
25
25 7pm
25
27
27 10pm
27
25
25 1am
25
25
25 4am
24
24
24 7am
24
27
AD 728×90

Air Quality Index Trend

45h · 26 stn

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

54.9%
Humidity
22.2 km/h
Wind NNW
1016.5 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
28
6.7 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Ashburn?

Temperature & Precipitation

PM2.5 Trend

45h · 26 stations
PM2.56.7 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (2 stations within 25 km)
6.7
Median
6.7
Average
6.7
Low
6.7
High
PM2.5 µg/m³ · Model: 6.15 · Bias: -0.6

What is the 7-day forecast for Ashburn?

09-05
31.6° 16.2°
9.31 mm
09-06
24.8° 19.1°
4.06 mm
09-07
23.5° 16.9°
0.69 mm
09-08
30.0° 17.3°
0.69 mm
09-09
27.4° 16.1°
0.31 mm
09-10
28.3° 17.3°
3.13 mm
09-11
35.0° 14.2°
Both models agree Avg diff: 4.2°C

Where are air quality stations near Ashburn?

30
Ashburn - Broad Run High School, Northern Virginia, USA
2.1 km PM2.5: 7.2 µg/m³
28
Ashburn - Broad Run High School, Northern Virginia, USA
2.1 km PM2.5: 6.7 µg/m³
28
Long Park - Haymarket, Northern Virginia, USA
24.7 km PM2.5: 6.7 µg/m³

What cities are near Ashburn?

28 Sterling 28 Leesburg 28 Herndon 28 South Riding 28 Oak Hill 30 Reston 28 Chantilly 31 Great Falls 27 North Potomac 32 Wolf Trap
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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 2026-09-05T17:14 UTC.