RANKABLE EPA COUNTY AQI
Peoria Air Quality - Illinois
EPA county-level evidence, NDS comparative intelligence, and 39 connected ZIP profiles.
Median AQI
47.0
Maximum AQI
154.0
Good-air-quality days
57.78%
Average PM2.5
9.538 ug/m3
NDS Air Quality Score
18.47
U.S. County Rank
969 of 1,049
Percentile
7.44
Grade
F
County status
Peoria 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.