Solano County, California
AQI 34 · Good34
Median AQI
42
90th Percentile
61
Max AQI
268
Days with Data
Ranked #8 of 46 counties in California (by median AQI, lower is better)
Monthly Median AQI — 2025
Click a bar to view that month's details
34
Median AQI
42
90th Percentile
61
Max AQI
268
Days with Data
Ranked #8 of 46 counties in California (by median AQI, lower is better)
Click a bar to view that month's details