RANKABLE EPA COUNTY AQI
Windham Air Quality - Vermont
EPA county-level evidence, NDS comparative intelligence, and 25 connected ZIP profiles.
Median AQI
12.0
Maximum AQI
46.0
Good-air-quality days
100.00%
Average PM2.5
N/A
NDS Air Quality Score
89.26
U.S. County Rank
53 of 1,049
Percentile
95.04
Grade
A+
County status
Windham is part of the governed NDS rankable EPA county universe.
Connected ZIP codes
Methodology
EPA AQI evidence used here is county-derived. ZIP profiles connect to this evidence through the governed NDS geography relationship.