Air Quality in Georgia

Georgia has 32 counties with EPA air quality monitoring. Air quality is generally improving across the state, with an average of 198 "Good" days per county per year. The best air quality is in Charlton (median AQI 27) and the most polluted is Gwinnett (median AQI 53).

County	Median AQI	Max AQI	Good Days	Unhealthy Days	Trend	Top Pollutant
Bibb	51	123	179	2	→ stable	PM2.5
Charlton	27	81	109	0	→ stable	PM2.5
Chatham	44	130	232	1	→ stable	PM2.5
Chattooga	39	77	231	0	→ stable	Ozone
Clarke	46	126	222	2	→ stable	PM2.5
Clayton	45	128	124	2	→ stable	PM2.5
Cobb	48	86	202	0	→ stable	PM2.5
Coffee	43	137	240	1	→ stable	PM2.5
Columbia	36	90	162	0	↓ improving	Ozone
Coweta	43	74	213	0	↓ improving	PM2.5
Dawson	39	154	225	1	→ stable	Ozone
DeKalb	51	133	178	6	→ stable	PM2.5
Dougherty	45	121	227	4	→ stable	PM2.5
Douglas	41	133	208	2	→ stable	Ozone
Floyd	38	89	256	0	↓ improving	PM2.5
Fulton	50	129	186	4	→ stable	PM2.5
Glynn	39	84	286	0	→ stable	PM2.5
Gwinnett	53	161	159	1	→ stable	PM2.5
Hall	52	100	176	0	→ stable	PM2.5
Henry	40	133	269	6	→ stable	PM2.5
Houston	43	105	247	1	→ stable	PM2.5
Lowndes	44	154	212	2	→ stable	PM2.5
Murray	41	77	234	0	→ stable	Ozone
Muscogee	49	127	193	7	→ stable	PM2.5
Paulding	28	58	10	0	↓ improving	PM2.5
Pike	39	126	301	4	→ stable	Ozone
Richmond	51	105	176	1	→ stable	PM2.5
Rockdale	39	115	218	2	→ stable	Ozone
Sumter	38	84	228	0	→ stable	Ozone
Walker	52	98	165	0	→ stable	PM2.5
Washington	44	101	221	1	↑ worsening	PM2.5
Wilkinson	44	151	69	2	↓ improving	PM2.5