RANKABLE EPA COUNTY AQI
Codington Air Quality - South Dakota
EPA county-level evidence, NDS comparative intelligence, and 10 connected ZIP profiles.
Median AQI
33.0
Maximum AQI
154.0
Good-air-quality days
82.12%
Average PM2.5
7.384 ug/m3
NDS Air Quality Score
50.79
U.S. County Rank
559 of 1,049
Percentile
46.56
Grade
C
County status
Codington 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.