RANKABLE EPA COUNTY AQI
Davidson Air Quality - North Carolina
EPA county-level evidence, NDS comparative intelligence, and 17 connected ZIP profiles.
Median AQI
50.0
Maximum AQI
90.0
Good-air-quality days
50.19%
Average PM2.5
9.465 ug/m3
NDS Air Quality Score
17.78
U.S. County Rank
973 of 1,049
Percentile
7.06
Grade
F
County status
Davidson 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.