RANKABLE EPA COUNTY AQI
York Air Quality - South Carolina
EPA county-level evidence, NDS comparative intelligence, and 12 connected ZIP profiles.
Median AQI
44.0
Maximum AQI
93.0
Good-air-quality days
76.58%
Average PM2.5
7.742 ug/m3
NDS Air Quality Score
35.19
U.S. County Rank
764 of 1,049
Percentile
27.00
Grade
D
County status
York 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.