RANKABLE EPA COUNTY AQI
Colbert Air Quality - Alabama
EPA county-level evidence, NDS comparative intelligence, and 10 connected ZIP profiles.
Median AQI
38.0
Maximum AQI
65.0
Good-air-quality days
90.49%
Average PM2.5
7.213 ug/m3
NDS Air Quality Score
69.86
U.S. County Rank
251 of 1,049
Percentile
76.05
Grade
B
County status
Colbert 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.