RANKABLE EPA COUNTY AQI
Harrison Air Quality - Ohio
EPA county-level evidence, NDS comparative intelligence, and 8 connected ZIP profiles.
Median AQI
33.0
Maximum AQI
71.0
Good-air-quality days
80.95%
Average PM2.5
7.575 ug/m3
NDS Air Quality Score
56.98
U.S. County Rank
458 of 1,049
Percentile
56.20
Grade
C
County status
Harrison is part of the governed NDS rankable EPA county universe.
Methodology
EPA AQI evidence used here is county-derived. ZIP profiles connect to this evidence through the governed NDS geography relationship.