RANKABLE EPA COUNTY AQI
Adams Air Quality - Illinois
EPA county-level evidence, NDS comparative intelligence, and 24 connected ZIP profiles.
Median AQI
38.0
Maximum AQI
71.0
Good-air-quality days
94.37%
Average PM2.5
N/A
NDS Air Quality Score
70.47
U.S. County Rank
237 of 1,049
Percentile
77.39
Grade
B
County status
Adams 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.