RANKABLE EPA COUNTY AQI
York Air Quality - New Hampshire
EPA county-level evidence, NDS comparative intelligence, and 40 connected ZIP profiles.
Median AQI
36.0
Maximum AQI
169.0
Good-air-quality days
96.05%
Average PM2.5
N/A
NDS Air Quality Score
66.08
U.S. County Rank
308 of 1,049
Percentile
70.61
Grade
B
County status
York 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.