Air Quality in Ashburn, United States

Windy
26.5°C · 33.9% humidity
26.5°
Feels 26.5°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
0 7pm
0
10
42 10pm
33
26
22 1am
18
16
14 4am
13
12
12 7am
1
1
1 10am
0
0
0 1pm
0
0
0 4pm
0
0
Station readings 7h ago
AQI 8
PM2.5 1.9 µg/m³ · 7h ago
CAMS model adj -44
27
34
54
54
54
54
54
54
54
54
54
54
54
25
25
25
25
27
27
27
27
27
27
27
AD 728×90

Air Quality Index Trend

19h · 1 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.

33.9%
Humidity
68.8 km/h
Wind NE
1018.3 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
42
10.09 µg/m³
PM10
38
41.15 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

19h · 1 station
PM2.510.09 µg/m³ ✓ WHO
Good
PM1041.15 µg/m³
Good
UV INDEX5.9
High
AD 300×250
10.09
Median
7.46
Average
2.42
Low
10.1
High
PM2.5 µg/m³ · Model: 17.65 · Bias: +7.6
08-03
27.1° 17.8°
4.63 mm
08-04
35.2° 17.8°
08-05
31.8° 16.9°
1.88 mm
08-06
36.6° 22.5°
08-07
31.7° 19.4°
08-08
34.3° 19.0°
2.19 mm
08-09
35.8° 24.3°
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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 2026-08-08T03:48 UTC.