Ward County, North Dakota
AQI 38 · Good38
Median AQI
72
90th Percentile
283
Max AQI
243
Days with Data
Ranked #1 of 9 counties in North Dakota (by median AQI, lower is better)
Monthly Median AQI — 2025
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38
Median AQI
72
90th Percentile
283
Max AQI
243
Days with Data
Ranked #1 of 9 counties in North Dakota (by median AQI, lower is better)
Click a bar to view that month's details