RANKABLE EPA COUNTY AQI
Franklin Air Quality - Idaho
EPA county-level evidence, NDS comparative intelligence, and 6 connected ZIP profiles.
Median AQI
22.0
Maximum AQI
82.0
Good-air-quality days
95.81%
Average PM2.5
4.662 ug/m3
NDS Air Quality Score
87.85
U.S. County Rank
66 of 1,049
Percentile
93.80
Grade
A
County status
Franklin is part of the governed NDS rankable EPA county universe.
Methodology
EPA AQI evidence used here is county-derived. ZIP profiles connect to this evidence through the governed NDS geography relationship.