RANKABLE EPA COUNTY AQI
Macon Air Quality - Illinois
EPA county-level evidence, NDS comparative intelligence, and 21 connected ZIP profiles.
Median AQI
44.0
Maximum AQI
141.0
Good-air-quality days
63.74%
Average PM2.5
8.633 ug/m3
NDS Air Quality Score
30.72
U.S. County Rank
823 of 1,049
Percentile
21.37
Grade
D
County status
Macon 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.