RANKABLE EPA COUNTY AQI
Franklin Air Quality - Ohio
EPA county-level evidence, NDS comparative intelligence, and 49 connected ZIP profiles.
Median AQI
54.0
Maximum AQI
156.0
Good-air-quality days
39.78%
Average PM2.5
9.277 ug/m3
NDS Air Quality Score
5.12
U.S. County Rank
1,039 of 1,049
Percentile
0.76
Grade
F
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.