National Data System · Environmental Intelligence · EPA Air Quality
National Data System Air Quality Intelligence
RANKABLE EPA COUNTY AQI

Jefferson Air Quality - Alabama

EPA county-level evidence, NDS comparative intelligence, and 80 connected ZIP profiles.

Compare this County
Median AQI
53.0
Maximum AQI
112.0
Good-air-quality days
36.81%
Average PM2.5
8.750 ug/m3
NDS Air Quality Score
20.18
U.S. County Rank
951 of 1,049
Percentile
9.16
Grade
F

County status

Jefferson 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.