RANKABLE EPA COUNTY AQI
Grant Air Quality - Oregon
EPA county-level evidence, NDS comparative intelligence, and 10 connected ZIP profiles.
Median AQI
34.0
Maximum AQI
86.0
Good-air-quality days
66.67%
Average PM2.5
N/A
NDS Air Quality Score
50.28
U.S. County Rank
566 of 1,049
Percentile
45.90
Grade
C
County status
Grant 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.