RANKABLE EPA COUNTY AQI
Ada Air Quality - Idaho
EPA county-level evidence, NDS comparative intelligence, and 31 connected ZIP profiles.
Median AQI
39.0
Maximum AQI
97.0
Good-air-quality days
80.56%
Average PM2.5
4.472 ug/m3
NDS Air Quality Score
63.15
U.S. County Rank
351 of 1,049
Percentile
66.51
Grade
C
County status
Ada 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.