RANKABLE EPA COUNTY AQI
Etowah Air Quality - Alabama
EPA county-level evidence, NDS comparative intelligence, and 6 connected ZIP profiles.
Median AQI
45.0
Maximum AQI
87.0
Good-air-quality days
63.49%
Average PM2.5
8.209 ug/m3
NDS Air Quality Score
39.28
U.S. County Rank
719 of 1,049
Percentile
31.30
Grade
D
County status
Etowah 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.