RANKABLE EPA COUNTY AQI
Dunn Air Quality - North Dakota
EPA county-level evidence, NDS comparative intelligence, and 11 connected ZIP profiles.
Median AQI
40.0
Maximum AQI
217.0
Good-air-quality days
78.60%
Average PM2.5
8.636 ug/m3
NDS Air Quality Score
32.55
U.S. County Rank
801 of 1,049
Percentile
23.47
Grade
D
County status
Dunn is part of the governed NDS rankable EPA county universe.
Methodology
EPA AQI evidence used here is county-derived. ZIP profiles connect to this evidence through the governed NDS geography relationship.