RANKABLE EPA COUNTY AQI
Allen Air Quality - Indiana
EPA county-level evidence, NDS comparative intelligence, and 54 connected ZIP profiles.
Median AQI
45.0
Maximum AQI
115.0
Good-air-quality days
58.24%
Average PM2.5
9.316 ug/m3
NDS Air Quality Score
26.32
U.S. County Rank
876 of 1,049
Percentile
16.32
Grade
F
County status
Allen 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.