Ashburn 2 Air Quality
Monitoring Station
· Ashburn, United States
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
37
2am
40
52
52
5am
52
52
52
8am
52
52
52
11am
52
23
23
2pm
23
23
—
5pm
—
—
—
8pm
—
—
—
11pm
—
—
Station readings
37
40
CAMS model
adj -2
54
54
54
54
54
54
54
54
54
54
54
25
25
25
25
Air Quality Forecast (24h)
PM2.59.7 µg/m³
✓ WHO
Good
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38
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43
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35
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38
Chicago Lawn 4
44
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T05:46 UTC.