RANKABLE EPA COUNTY AQI
Boyd Air Quality - Kentucky
EPA county-level evidence, NDS comparative intelligence, and 6 connected ZIP profiles.
Median AQI
39.0
Maximum AQI
88.0
Good-air-quality days
82.80%
Average PM2.5
6.533 ug/m3
NDS Air Quality Score
66.02
U.S. County Rank
313 of 1,049
Percentile
70.13
Grade
B
County status
Boyd 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.