Atlanta Air Quality in 2024
In 2024, Atlanta's air quality (Atlanta-Sandy Springs-Roswell, GA area) had a median daily AQI of 56 (Moderate) across 366 monitored days. 14 days (3.8%) reached Unhealthy for Sensitive Groups or worse, 110 were Good, and the year's peak AQI was 161 (Unhealthy). Fine particulate matter (PM2.5) set the daily AQI on 249 of those days. The cleanest month of 2024 was January (median AQI 49, 0 days above 100) and the worst was June (median 74, 5 days above 100, peak 161).
- Good: 30.1%
- Moderate: 66.1%
- Unhealthy for Sensitive Groups: 3.6%
- Unhealthy or worse: 0.3%
Extra Protection for Atlanta Homes
Air quality in Atlanta is moderate (AQI 59), with fine particles (PM2.5) the main concern. A True-HEPA purifier gives sensitive groups — kids, seniors and anyone with asthma or allergies — cleaner air indoors on days like today.
Recommended: Coway AP-1512HH Mighty — True HEPA + carbon · CADR ~246 CFM · rooms up to 361 sq ft
As an Amazon Associate, we earn from qualifying purchases.
How was Atlanta's air quality in 2024?
Moderate on a typical day: median AQI 56, with 14 days above AQI 100 out of 366 monitored — the 5th cleanest of 7 years on record for the area.
- ✓Peak AQI in 2024: 161 (Unhealthy).
- ✓Fine particulate matter (PM2.5) was the main pollutant on 249 days.
- ✓Cleanest month: January; worst: June.
Frequently asked questions
What was the average AQI in Atlanta in 2024?▾
EPA's Air Quality System puts Atlanta's (Atlanta-Sandy Springs-Roswell, GA) median daily AQI for 2024 at 56, which is Moderate. 14 days were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 161.
Which month had the worst air quality in Atlanta in 2024?▾
The cleanest month of 2024 was January (median AQI 49, 0 days above 100) and the worst was June (median 74, 5 days above 100, peak 161).
Was 2024 a good or bad year for Atlanta's air?▾
Among the 7 years EPA has published for the area (2019–2025), 2024 ranks 5th cleanest by days above AQI 100. 2024's median of 56 is in line with the area's typical annual median of 54.
Atlanta month by month in 2024
Atlanta air quality month by month, 2024 (Atlanta-Sandy Springs-Roswell, GA, EPA AQS daily AQI)
| Month | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| Januarycleanest | 31 | 49 | 0 | 85 | PM2.5 |
| February | 29 | 52 | 0 | 90 | PM2.5 |
| March | 31 | 47 | 1 | 104 | PM2.5 |
| April | 30 | 66 | 1 | 128 | PM2.5 |
| May | 31 | 58 | 0 | 90 | PM2.5 |
| Juneworst | 30 | 74 | 5 | 161 | PM2.5 |
| July | 31 | 54 | 4 | 133 | PM2.5 |
| August | 31 | 66 | 3 | 126 | O3 |
| September | 30 | 56 | 0 | 100 | PM2.5 |
| October | 31 | 57 | 0 | 77 | PM2.5 |
| November | 30 | 52 | 0 | 79 | PM2.5 |
| December | 31 | 52 | 0 | 89 | PM2.5 |
How 2024 compares
Among the 7 years EPA has published for the area (2019–2025), 2024 ranks 5th cleanest by days above AQI 100.
2024's median of 56 is in line with the area's typical annual median of 54.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Atlanta
The latest EPA AirNow observation puts Atlanta's AQI at 59 (PM2.5). The figures above are multi-year annual statistics, not today's reading.
View current Atlanta air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Atlanta-Sandy Springs-Roswell, GA), 2019–2025. Daily AQI per CBSA is the highest AQI reported by any monitor in the area that day; the defining parameter is the pollutant that set it. Month and season statistics pool every such day in the period across all years listed. Retrieved 2026-09-09.