Washington County, Nebraska
AQI 29 · Good29
Median AQI
56
90th Percentile
132
Max AQI
248
Days with Data
Ranked #4 of 10 counties in Nebraska (by median AQI, lower is better)
Monthly Median AQI — 2025
Click a bar to view that month's details
29
Median AQI
56
90th Percentile
132
Max AQI
248
Days with Data
Ranked #4 of 10 counties in Nebraska (by median AQI, lower is better)
Click a bar to view that month's details