RANKABLE EPA COUNTY AQI
Butte Air Quality - Idaho
EPA county-level evidence, NDS comparative intelligence, and 3 connected ZIP profiles.
Median AQI
44.0
Maximum AQI
77.0
Good-air-quality days
87.39%
Average PM2.5
N/A
NDS Air Quality Score
47.87
U.S. County Rank
597 of 1,049
Percentile
42.94
Grade
C
County status
Butte 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.