Air Quality Rankings for Alabama 2026

Alabama has 17 cities with EPA air quality data. Lawrence, Alabama has the cleanest air with a 5-year average AQI of 29. Jefferson, Alabama has the highest AQI at 57.

#	City	5yr Avg AQI	Current AQI	Worst Pollutant	Trend	Grade
1	Lawrence, Alabama	29	34	PM2.5	Improving	B
2	Elmore, Alabama	35	38	Ozone	Stable	B
3	Sumter, Alabama	36	35	PM2.5	Improving	B
4	Clay, Alabama	37	41	PM2.5	Improving	B
5	Tuscaloosa, Alabama	37	42	Ozone	Improving	A
6	Shelby, Alabama	38	40	Ozone	Improving	B
7	Colbert, Alabama	38	38	Ozone	Improving	B
8	Houston, Alabama	38	38	Ozone	Improving	B
9	Baldwin, Alabama	39	43	Ozone	Stable	B
10	DeKalb, Alabama	40	48	Ozone	Stable	C
11	Etowah, Alabama	43	51	PM2.5	Improving	B
12	Morgan, Alabama	45	43	PM2.5	Stable	C
13	Russell, Alabama	46	43	PM2.5	Improving	B
14	Madison, Alabama	48	49	PM2.5	Worsening	C
15	Mobile, Alabama	49	46	PM2.5	Stable	C
16	Montgomery, Alabama	50	52	PM2.5	Stable	C
17	Jefferson, Alabama	57	61	PM2.5	Stable	C

Air quality data for Alabama 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

Lawrence, Alabama has the best air quality in Alabama with a 5-year average AQI of 29 and a grade of B.

Alabama has 17 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 Alabama →