RANKABLE EPA COUNTY AQI
Macoupin Air Quality - Illinois
EPA county-level evidence, NDS comparative intelligence, and 24 connected ZIP profiles.
Median AQI
37.0
Maximum AQI
105.0
Good-air-quality days
90.81%
Average PM2.5
N/A
NDS Air Quality Score
65.74
U.S. County Rank
317 of 1,049
Percentile
69.75
Grade
C
County status
Macoupin 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.