Atlanta Air Quality in 2025
In 2025, Atlanta's air quality (Atlanta-Sandy Springs-Roswell, GA area) had a median daily AQI of 53 (Moderate) across 365 monitored days. 6 days (1.6%) reached Unhealthy for Sensitive Groups or worse, 150 were Good, and the year's peak AQI was 129 (Unhealthy for Sensitive Groups). Fine particulate matter (PM2.5) set the daily AQI on 219 of those days. The cleanest month of 2025 was October (median AQI 45, 0 days above 100) and the worst was September (median 58, 4 days above 100, peak 112).
- Good: 41.1%
- Moderate: 57.3%
- Unhealthy for Sensitive Groups: 1.6%
- Unhealthy or worse: 0.0%
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
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How was Atlanta's air quality in 2025?
Moderate on a typical day: median AQI 53, with 6 days above AQI 100 out of 365 monitored — the 2nd cleanest of 7 years on record for the area.
- ✓Peak AQI in 2025: 129 (Unhealthy for Sensitive Groups).
- ✓Fine particulate matter (PM2.5) was the main pollutant on 219 days.
- ✓Cleanest month: October; worst: September.
Frequently asked questions
What was the average AQI in Atlanta in 2025?▾
EPA's Air Quality System puts Atlanta's (Atlanta-Sandy Springs-Roswell, GA) median daily AQI for 2025 at 53, which is Moderate. 6 days were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 129.
Which month had the worst air quality in Atlanta in 2025?▾
The cleanest month of 2025 was October (median AQI 45, 0 days above 100) and the worst was September (median 58, 4 days above 100, peak 112).
Was 2025 a good or bad year for Atlanta's air?▾
Among the 7 years EPA has published for the area (2019–2025), 2025 ranks 2nd cleanest by days above AQI 100. 2025's median of 53 is in line with the area's typical annual median of 54.
Atlanta month by month in 2025
Atlanta air quality month by month, 2025 (Atlanta-Sandy Springs-Roswell, GA, EPA AQS daily AQI)
| Month | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| January | 31 | 52 | 0 | 71 | PM2.5 |
| February | 28 | 52 | 0 | 74 | PM2.5 |
| March | 31 | 53 | 0 | 90 | O3 |
| April | 30 | 56 | 0 | 97 | O3 |
| May | 31 | 49 | 0 | 74 | PM2.5 |
| June | 30 | 54 | 2 | 129 | O3 |
| July | 31 | 52 | 0 | 93 | O3 |
| August | 31 | 50 | 0 | 74 | O3 |
| Septemberworst | 30 | 58 | 4 | 112 | O3 |
| Octobercleanest | 31 | 45 | 0 | 71 | PM2.5 |
| November | 30 | 56 | 0 | 88 | PM2.5 |
| December | 31 | 56 | 0 | 92 | PM2.5 |
How 2025 compares
Among the 7 years EPA has published for the area (2019–2025), 2025 ranks 2nd cleanest by days above AQI 100.
2025's median of 53 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.