Washington County, Oklahoma
AQI 44 · Good44
Median AQI
62
90th Percentile
168
Max AQI
273
Days with Data
Ranked #11 of 20 counties in Oklahoma (by median AQI, lower is better)
Monthly Median AQI — 2025
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44
Median AQI
62
90th Percentile
168
Max AQI
273
Days with Data
Ranked #11 of 20 counties in Oklahoma (by median AQI, lower is better)
Click a bar to view that month's details