RANKABLE EPA COUNTY AQI
Sangamon Air Quality - Illinois
EPA county-level evidence, NDS comparative intelligence, and 42 connected ZIP profiles.
Median AQI
42.0
Maximum AQI
142.0
Good-air-quality days
70.70%
Average PM2.5
8.126 ug/m3
NDS Air Quality Score
27.77
U.S. County Rank
855 of 1,049
Percentile
18.32
Grade
F
County status
Sangamon 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.