RANKABLE EPA COUNTY AQI
Gwinnett Air Quality - Georgia
EPA county-level evidence, NDS comparative intelligence, and 22 connected ZIP profiles.
Median AQI
45.0
Maximum AQI
84.0
Good-air-quality days
64.47%
Average PM2.5
8.165 ug/m3
NDS Air Quality Score
35.00
U.S. County Rank
771 of 1,049
Percentile
26.34
Grade
D
County status
Gwinnett 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.