RANKABLE EPA COUNTY AQI
Franklin Air Quality - Pennsylvania
EPA county-level evidence, NDS comparative intelligence, and 32 connected ZIP profiles.
Median AQI
37.0
Maximum AQI
77.0
Good-air-quality days
92.99%
Average PM2.5
N/A
NDS Air Quality Score
66.89
U.S. County Rank
297 of 1,049
Percentile
71.66
Grade
B
County status
Franklin 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.