RANKABLE EPA COUNTY AQI
Champaign Air Quality - Illinois
EPA county-level evidence, NDS comparative intelligence, and 43 connected ZIP profiles.
Median AQI
44.0
Maximum AQI
138.0
Good-air-quality days
63.74%
Average PM2.5
7.540 ug/m3
NDS Air Quality Score
27.69
U.S. County Rank
858 of 1,049
Percentile
18.03
Grade
F
County status
Champaign is part of the governed NDS rankable EPA county universe.
Connected ZIP codes
Methodology
EPA AQI evidence used here is county-derived. ZIP profiles connect to this evidence through the governed NDS geography relationship.