Washington County, Maine
AQI 36 · Good36
Median AQI
51
90th Percentile
100
Max AQI
286
Days with Data
Ranked #7 of 11 counties in Maine (by median AQI, lower is better)
Monthly Median AQI — 2025
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36
Median AQI
51
90th Percentile
100
Max AQI
286
Days with Data
Ranked #7 of 11 counties in Maine (by median AQI, lower is better)
Click a bar to view that month's details