RANKABLE EPA COUNTY AQI
Cobb Air Quality - Georgia
EPA county-level evidence, NDS comparative intelligence, and 30 connected ZIP profiles.
Median AQI
36.0
Maximum AQI
74.0
Good-air-quality days
92.52%
Average PM2.5
8.516 ug/m3
NDS Air Quality Score
71.99
U.S. County Rank
209 of 1,049
Percentile
80.06
Grade
B
County status
Cobb 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.