Plumas County, California
AQI 46 · Good46
Median AQI
82
90th Percentile
111
Max AQI
195
Days with Data
Ranked #27 of 46 counties in California (by median AQI, lower is better)
Monthly Median AQI — 2025
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46
Median AQI
82
90th Percentile
111
Max AQI
195
Days with Data
Ranked #27 of 46 counties in California (by median AQI, lower is better)
Click a bar to view that month's details