RANKABLE EPA COUNTY AQI
Grand Air Quality - Utah
EPA county-level evidence, NDS comparative intelligence, and 3 connected ZIP profiles.
Median AQI
47.0
Maximum AQI
93.0
Good-air-quality days
61.72%
Average PM2.5
7.000 ug/m3
NDS Air Quality Score
35.67
U.S. County Rank
756 of 1,049
Percentile
27.77
Grade
D
County status
Grand 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.