Underhill, Vermont, USA Air Quality

Monitoring Station · Colchester, United States
43
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
45 11pm
44
38
43 2am
35
34
34 5am
34
34
34 8am
34
34
34 11am
34
34
— 2pm
—
—
— 5pm
—
—
— 8pm
—
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Station readings
45
44
38
43
CAMS model adj +10
27
34
27
25
25
24
24
24
24
24
24
24
24
24
24

Air Quality Forecast (24h)

PM2.510.3 µg/m³ ✓ WHO
Good
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Nearby Cities

53 Colchester 54 South Burlington 39 Plattsburgh 59 Saint-Jean-sur-Richelieu 66 Granby 60 Magog 47 Rutland 51 Chambly 47 Candiac

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-22T02:58 UTC.