RANKABLE EPA COUNTY AQI
Jefferson Air Quality - Ohio
EPA county-level evidence, NDS comparative intelligence, and 14 connected ZIP profiles.
Median AQI
50.0
Maximum AQI
101.0
Good-air-quality days
50.55%
Average PM2.5
9.981 ug/m3
NDS Air Quality Score
24.31
U.S. County Rank
907 of 1,049
Percentile
13.36
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.