RANKABLE EPA COUNTY AQI
Erie Air Quality - Pennsylvania
EPA county-level evidence, NDS comparative intelligence, and 37 connected ZIP profiles.
Median AQI
31.0
Maximum AQI
99.0
Good-air-quality days
81.39%
Average PM2.5
7.060 ug/m3
NDS Air Quality Score
67.66
U.S. County Rank
280 of 1,049
Percentile
73.28
Grade
B
County status
Erie 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.