Air Quality in Ashburn, United States

Windy
14.0°C · 71.7% humidity
14.0°
Feels 14.0°
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
240 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
37 12am
38
43
43 3am
43
43
43 6am
43
43
30 9am
18
18
18 12pm
18
18
18 3pm
18
18
30 6pm
30
43
43 9pm
43
68
Station readings
37
38
43
CAMS model adj -7
50
50
50
50
50
50
50
50
50
37
25
25
25
25
25
25
25
25
37
37
50
50
50
75
AD 728×90

PM2.5 Trend (24h)

24h · 272 stations
71.7%
Humidity
81.3 km/h
Wind SSW
1017.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Temperature & Precipitation

PM2.59.6 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
9.6
Median
9.86
Average
4.39
Low
25.18
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -3.7
04-10
18.1° 6.5°
10.75 mm
04-11
7.9° 4.3°
21.38 mm
04-12
19.2° 8.9°
1.56 mm
04-13
26.0° 17.1°
2.56 mm
04-14
25.6° 18.3°
7.63 mm
04-15
14.8° 5.9°
1.0 mm
04-16
13.6° 4.1°

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-10T03:39 UTC.