RANKABLE EPA COUNTY AQI
Berkshire Air Quality - Massachusetts
EPA county-level evidence, NDS comparative intelligence, and 41 connected ZIP profiles.
Median AQI
41.0
Maximum AQI
124.0
Good-air-quality days
71.60%
Average PM2.5
6.908 ug/m3
NDS Air Quality Score
38.48
U.S. County Rank
724 of 1,049
Percentile
30.82
Grade
D
County status
Berkshire 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.