RANKABLE EPA COUNTY AQI
Shelby Air Quality - Alabama
EPA county-level evidence, NDS comparative intelligence, and 14 connected ZIP profiles.
Median AQI
33.0
Maximum AQI
80.0
Good-air-quality days
95.60%
Average PM2.5
N/A
NDS Air Quality Score
83.37
U.S. County Rank
96 of 1,049
Percentile
90.94
Grade
A
County status
Shelby 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.