Air Quality Rankings for Florida 2026

Florida has 39 cities with EPA air quality data. Putnam, Florida has the cleanest air with a 5-year average AQI of 16. Duval, Florida has the highest AQI at 52.

#	City	5yr Avg AQI	Current AQI	Worst Pollutant	Trend	Grade
1	Putnam, Florida	16	17	PM10	Worsening	B
2	Liberty, Florida	32	33	Ozone	Stable	B
3	Flagler, Florida	33	35	Ozone	Stable	B
4	Highlands, Florida	34	35	Ozone	Stable	B
5	St. Lucie, Florida	34	35	Ozone	Stable	B
6	Manatee, Florida	34	35	Ozone	Stable	B
7	Osceola, Florida	34	36	Ozone	Stable	B
8	Lake, Florida	35	37	Ozone	Stable	B
9	Indian River, Florida	35	34	Ozone	Improving	B
10	Okaloosa, Florida	36	37	Ozone	Stable	B
11	Pasco, Florida	36	39	Ozone	Stable	B
12	Orange, Florida	38	43	Ozone	Improving	B
13	Lee, Florida	39	35	PM2.5	Improving	B
14	Alachua, Florida	40	40	PM2.5	Stable	B
15	Baker, Florida	40	43	Ozone	Worsening	C
16	Wakulla, Florida	40	39	PM2.5	Stable	C
17	Seminole, Florida	41	40	Ozone	Worsening	C
18	Collier, Florida	41	43	PM2.5	Stable	C
19	Nassau, Florida	42	42	PM2.5	Improving	B
20	Palm Beach, Florida	42	43	PM2.5	Stable	B
21	Martin, Florida	42	41	PM2.5	Stable	C
22	Brevard, Florida	43	43	PM2.5	Worsening	C
23	Polk, Florida	43	42	PM2.5	Improving	B
24	Citrus, Florida	43	45	PM2.5	Worsening	C
25	Marion, Florida	44	45	PM2.5	Stable	C
26	Volusia, Florida	44	44	PM2.5	Worsening	C
27	Sarasota, Florida	45	47	PM2.5	Stable	B
28	Columbia, Florida	45	47	PM2.5	Worsening	C
29	Santa Rosa, Florida	45	47	PM2.5	Stable	C
30	Miami-Dade, Florida	45	48	PM2.5	Improving	B
31	Hamilton, Florida	46	46	PM2.5	Stable	C
32	Pinellas, Florida	47	47	PM2.5	Stable	C
33	Bay, Florida	47	51	PM2.5	Worsening	C
34	Leon, Florida	47	47	PM2.5	Improving	B
35	Holmes, Florida	48	49	PM2.5	Worsening	C
36	Escambia, Florida	49	51	PM2.5	Worsening	C
37	Broward, Florida	49	52	PM2.5	Worsening	C
38	Hillsborough, Florida	51	51	PM2.5	Stable	C
39	Duval, Florida	52	52	PM2.5	Worsening	C

Air quality data for Florida is sourced from the EPA Air Quality System (AQS), which monitors outdoor air quality at thousands of stations nationwide.
— EPA Air Quality System

Frequently Asked Questions

Putnam, Florida has the best air quality in Florida with a 5-year average AQI of 16 and a grade of B.

Florida has 39 cities with EPA air quality monitoring data in our database, covering multiple years of AQI measurements.

The Air Quality Index (AQI) measures five major pollutants: ground-level ozone, particulate matter (PM2.5 and PM10), carbon monoxide, sulfur dioxide, and nitrogen dioxide. Lower AQI values indicate cleaner air — 0-50 is "Good," while 150+ is "Unhealthy."

Sources: EPA Air Quality System (AQS)

Cities ranked by 5-year average AQI (lower is better). Grades factor in average AQI, trend direction, unhealthy days, and dominant pollutant.

Cleanest Cities Nationwide →All Air Quality in Florida →