RANKABLE EPA COUNTY AQI
Duchesne Air Quality - Utah
EPA county-level evidence, NDS comparative intelligence, and 12 connected ZIP profiles.
Median AQI
47.0
Maximum AQI
112.0
Good-air-quality days
59.41%
Average PM2.5
6.274 ug/m3
NDS Air Quality Score
27.65
U.S. County Rank
859 of 1,049
Percentile
17.94
Grade
F
County status
Duchesne 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.