GIS Map
RankingsGeorgiaWorst air quality

Counties with the Worst Air Quality in Georgia

The top 25 of 29 Georgia counties on GIS Map, ranked by median Air Quality Index, counting only counties that host an EPA air monitor.

#CountyMedian AQI
1Gwinnett County
53
2Hall County
52
3Walker County
52
4Bibb County
51
5DeKalb County
51
6Richmond County
51
7Fulton County
50
8Muscogee County
49
9Cobb County
48
10Clarke County
46
11Clayton County
45
12Dougherty County
45
13Chatham County
44
14Lowndes County
44
15Washington County
44
16Coffee County
43
17Houston County
43
18Douglas County
41
19Murray County
41
20Henry County
40
21Chattooga County
39
22Dawson County
39
23Glynn County
39
24Pike County
39
25Rockdale County
39

Source: EPA Air Quality Index annual summary (2024). All counties with data are ranked. Estimates carry margins of error.

Citing this page: GIS Map, “Counties with the Worst Air Quality in Georgia”, https://gismap.land/rankings/georgia/worst-air-quality-counties. Figures from EPA Air Quality Index annual summary (2024).

More Georgia rankings

Richest citiesMost expensive homesMost affordable homesHighest rentMost educatedHighest poverty rateMost densely populatedLargest by populationYoungestOldest by median ageFastest-growingFastest-shrinkingFastest-growing since 2010WarmestColdestSnowiestWettestDriestHighest hazard risk countiesLowest hazard risk countiesHighest expected lossesHighest radon potentialCleanest airWorst drought