Harrison County, West Virginia
AQI 32 · Good32
Median AQI
55
90th Percentile
68
Max AQI
60
Days with Data
Ranked #1 of 13 counties in West Virginia (by median AQI, lower is better)
Monthly Median AQI — 2025
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32
Median AQI
55
90th Percentile
68
Max AQI
60
Days with Data
Ranked #1 of 13 counties in West Virginia (by median AQI, lower is better)
Click a bar to view that month's details