RANKABLE EPA COUNTY AQI
Rock Island Air Quality - Illinois
EPA county-level evidence, NDS comparative intelligence, and 17 connected ZIP profiles.
Median AQI
41.0
Maximum AQI
167.0
Good-air-quality days
67.40%
Average PM2.5
8.581 ug/m3
NDS Air Quality Score
25.73
U.S. County Rank
884 of 1,049
Percentile
15.55
Grade
F
County status
Rock Island 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.