Madera County, California
AQI 43 · Good43
Median AQI
66
90th Percentile
91
Max AQI
120
Days with Data
Ranked #20 of 46 counties in California (by median AQI, lower is better)
Monthly Median AQI — 2025
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43
Median AQI
66
90th Percentile
91
Max AQI
120
Days with Data
Ranked #20 of 46 counties in California (by median AQI, lower is better)
Click a bar to view that month's details