RANKABLE EPA COUNTY AQI
Dewey Air Quality - Oklahoma
EPA county-level evidence, NDS comparative intelligence, and 5 connected ZIP profiles.
Median AQI
49.0
Maximum AQI
164.0
Good-air-quality days
56.62%
Average PM2.5
7.790 ug/m3
NDS Air Quality Score
12.69
U.S. County Rank
1,008 of 1,049
Percentile
3.72
Grade
F
County status
Dewey 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.