RANKABLE EPA COUNTY AQI
Jefferson Air Quality - Kentucky
EPA county-level evidence, NDS comparative intelligence, and 61 connected ZIP profiles.
Median AQI
48.0
Maximum AQI
129.0
Good-air-quality days
58.24%
Average PM2.5
7.723 ug/m3
NDS Air Quality Score
28.47
U.S. County Rank
846 of 1,049
Percentile
19.18
Grade
F
County status
Jefferson is part of the governed NDS rankable EPA county universe.
Connected ZIP codes
40014400184002340025400274004140059401184020140202402034020440205402064020840209402104021140212402134021440215402164021740218402194022040221402224022340225402284023140232402334024140242402434024540250402514025240253402554025640257402584025940261402664026840269402704028040281402824028340285402894029140292
Methodology
EPA AQI evidence used here is county-derived. ZIP profiles connect to this evidence through the governed NDS geography relationship.