Atlanta Air Quality in April
Across 2019–2025, Atlanta's April air quality had a median AQI of 55 (Moderate) over 210 monitored days in the Atlanta-Sandy Springs-Roswell, GA area. 1.9% of April days (4 of 210) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 59.0% of days. The cleanest April on record here was 2020 (median AQI 52, 0 days above 100) and the worst was 2023 (median 57, 2 days above 100, peak AQI 115).
- Good: 28.1%
- Moderate: 70.0%
- Unhealthy for Sensitive Groups: 1.9%
- 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.
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How is the air in Atlanta in April?
Moderate on a typical day: median AQI 55 across 2019–2025, with 1.9% of April days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓28.1% of April days were Good (AQI 0–50), 70.0% Moderate (51–100).
- ✓4 days of 210 reached AQI 101+; the April peak was 128.
- ✓Best April: 2020; worst April: 2023.
Frequently asked questions
What is the air quality like in Atlanta in April?▾
Across 2019–2025, the median daily AQI in Atlanta in April was 55 (Moderate). 28.1% of days were Good, 70.0% Moderate, and 1.9% reached Unhealthy for Sensitive Groups or worse, based on 210 monitored days in EPA's Air Quality System.
Is April a good time for outdoor exercise in Atlanta?▾
A typical April day in Atlanta is Moderate (median AQI 55): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 53 of April days (1.9%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
Which pollutant causes Atlanta's April air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 59.0% of April days in Atlanta. The highest April AQI recorded in 2019–2025 was 128 (Unhealthy for Sensitive Groups), in 2023.
Atlanta April air quality, year by year
Atlanta April air quality by year (Atlanta-Sandy Springs-Roswell, GA, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 30 | 60 | 1 | 126 | PM2.5 |
| 2020cleanest | 30 | 52 | 0 | 79 | PM2.5 |
| 2021 | 30 | 55 | 0 | 90 | PM2.5 |
| 2022 | 30 | 55 | 0 | 87 | PM2.5 |
| 2023worst | 30 | 57 | 2 | 115 | PM2.5 |
| 2024 | 30 | 66 | 1 | 128 | PM2.5 |
| 2025 | 30 | 56 | 0 | 97 | O3 |
What April air means in Atlanta
A typical April day in Atlanta is Moderate (median AQI 55): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 53 of April days (1.9%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
April's median AQI of 55 is in line with Atlanta's whole-year median of 54, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median April AQI across every EPA metro area (100,677 metro-days, 2019–2025) is 44, so Atlanta runs above the national April norm; 1.9% of its April days topped AQI 100 versus 0.7% nationally (above average).
April is part of Atlanta's spring season (March, April, May); the spring page pools all three months.
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 month 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.