Clackamas County, Oregon
AQI 27 · Good27
Median AQI
46
90th Percentile
90
Max AQI
180
Days with Data
Ranked #12 of 21 counties in Oregon (by median AQI, lower is better)
Monthly Median AQI — 2025
Click a bar to view that month's details
27
Median AQI
46
90th Percentile
90
Max AQI
180
Days with Data
Ranked #12 of 21 counties in Oregon (by median AQI, lower is better)
Click a bar to view that month's details