Atlanta Air Quality in 2023
In 2023, Atlanta's air quality (Atlanta-Sandy Springs-Roswell, GA area) had a median daily AQI of 57 (Moderate) across 365 monitored days. 21 days (5.8%) reached Unhealthy for Sensitive Groups or worse, 97 were Good, and the year's peak AQI was 172 (Unhealthy). Fine particulate matter (PM2.5) set the daily AQI on 247 of those days. The cleanest month of 2023 was January (median AQI 52, 0 days above 100) and the worst was June (median 69, 8 days above 100, peak 172).
- Good: 26.6%
- Moderate: 67.7%
- Unhealthy for Sensitive Groups: 4.9%
- Unhealthy or worse: 0.8%
Extra Protection for Atlanta Homes
Air quality in Atlanta is moderate (AQI 57), 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 2023?
Moderate on a typical day: median AQI 57, with 21 days above AQI 100 out of 365 monitored — the 7th cleanest of 7 years on record for the area.
- ✓Peak AQI in 2023: 172 (Unhealthy).
- ✓Fine particulate matter (PM2.5) was the main pollutant on 247 days.
- ✓Cleanest month: January; worst: June.
Frequently asked questions
What was the average AQI in Atlanta in 2023?▾
EPA's Air Quality System puts Atlanta's (Atlanta-Sandy Springs-Roswell, GA) median daily AQI for 2023 at 57, which is Moderate. 21 days were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 172.
Which month had the worst air quality in Atlanta in 2023?▾
The cleanest month of 2023 was January (median AQI 52, 0 days above 100) and the worst was June (median 69, 8 days above 100, peak 172).
Was 2023 a good or bad year for Atlanta's air?▾
Among the 7 years EPA has published for the area (2019–2025), 2023 ranks 7th cleanest by days above AQI 100 — the worst year on record here. 2023's median of 57 is above the area's typical annual median of 54.
Atlanta month by month in 2023
Atlanta air quality month by month, 2023 (Atlanta-Sandy Springs-Roswell, GA, EPA AQS daily AQI)
| Month | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| Januarycleanest | 31 | 52 | 0 | 64 | PM2.5 |
| February | 28 | 54 | 0 | 81 | PM2.5 |
| March | 31 | 58 | 0 | 94 | PM2.5 |
| April | 30 | 57 | 2 | 115 | PM2.5 |
| May | 31 | 56 | 0 | 90 | PM2.5 |
| Juneworst | 30 | 69 | 8 | 172 | O3 |
| July | 31 | 62 | 5 | 153 | PM2.5 |
| August | 31 | 68 | 4 | 156 | PM2.5 |
| September | 30 | 59 | 1 | 105 | PM2.5 |
| October | 31 | 52 | 0 | 74 | PM2.5 |
| November | 30 | 60 | 0 | 77 | PM2.5 |
| December | 31 | 53 | 1 | 103 | PM2.5 |
How 2023 compares
Among the 7 years EPA has published for the area (2019–2025), 2023 ranks 7th cleanest by days above AQI 100 — the worst year on record here.
2023's median of 57 is above 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 57 (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.