RANKABLE EPA COUNTY AQI
Oklahoma Air Quality - Oklahoma
EPA county-level evidence, NDS comparative intelligence, and 55 connected ZIP profiles.
Median AQI
51.0
Maximum AQI
459.0
Good-air-quality days
48.18%
Average PM2.5
8.228 ug/m3
NDS Air Quality Score
8.92
U.S. County Rank
1,025 of 1,049
Percentile
2.10
Grade
F
County status
Oklahoma is part of the governed NDS rankable EPA county universe.
Connected ZIP codes
Methodology
EPA AQI evidence used here is county-derived. ZIP profiles connect to this evidence through the governed NDS geography relationship.