RANKABLE EPA COUNTY AQI
Richland Air Quality - South Carolina
EPA county-level evidence, NDS comparative intelligence, and 36 connected ZIP profiles.
Median AQI
48.0
Maximum AQI
83.0
Good-air-quality days
57.30%
Average PM2.5
7.867 ug/m3
NDS Air Quality Score
29.06
U.S. County Rank
841 of 1,049
Percentile
19.66
Grade
F
County status
Richland 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.