Windham County, Vermont
AQI 12 · Good12
Median AQI
33
90th Percentile
46
Max AQI
20
Days with Data
Ranked #1 of 4 counties in Vermont (by median AQI, lower is better)
Monthly Median AQI — 2025
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12
Median AQI
33
90th Percentile
46
Max AQI
20
Days with Data
Ranked #1 of 4 counties in Vermont (by median AQI, lower is better)
Click a bar to view that month's details