RANKABLE EPA COUNTY AQI
Ashtabula Air Quality - Ohio
EPA county-level evidence, NDS comparative intelligence, and 22 connected ZIP profiles.
Median AQI
43.0
Maximum AQI
122.0
Good-air-quality days
81.22%
Average PM2.5
N/A
NDS Air Quality Score
40.31
U.S. County Rank
699 of 1,049
Percentile
33.21
Grade
D
County status
Ashtabula 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.