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RankingsFloridaWorst air quality

Counties with the Worst Air Quality in Florida

The top 25 of 38 Florida counties on GIS Map, ranked by median Air Quality Index, counting only counties that host an EPA air monitor.

#CountyMedian AQI
1Duval County
50
2Hillsborough County
50
3Marion County
49
4Miami-Dade County
48
5Pinellas County
48
6Bay County
47
7Broward County
47
8Holmes County
47
9Santa Rosa County
46
10Columbia County
44
11Hamilton County
44
12Leon County
44
13Sarasota County
44
14Citrus County
43
15Escambia County
43
16Palm Beach County
43
17Seminole County
43
18Baker County
42
19Collier County
42
20Orange County
41
21Wakulla County
41
22Brevard County
40
23Martin County
39
24Pasco County
39
25Polk 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 Florida”, https://gismap.land/rankings/florida/worst-air-quality-counties. Figures from EPA Air Quality Index annual summary (2024).

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