Atlanta Air Quality in February

Across 2019–2025, Atlanta's February air quality had a median AQI of 52 (Moderate) over 198 monitored days in the Atlanta-Sandy Springs-Roswell, GA area. 0.0% of February days (0 of 198) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 80.3% of days. The cleanest February on record here was 2020 (median AQI 42, 0 days above 100) and the worst was 2023 (median 54, 0 days above 100, peak AQI 81).

52
Median AQI
Moderate
0.0%
Days above AQI 100
0 of 198 days
69
90th percentile AQI
worst 1 day in 10
90
Peak AQI
Moderate
PM2.5
Main pollutant
80.3% of days
46.5%
Good days
92 of 198
  • Good: 46.5%
  • Moderate: 53.5%
  • Unhealthy for Sensitive Groups: 0.0%
  • Unhealthy or worse: 0.0%

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QUICK ANSWER

How is the air in Atlanta in February?

Moderate on a typical day: median AQI 52 across 2019–2025, with 0.0% of February days above AQI 100. Fine particulate matter (PM2.5) is the main driver.

  • ✓46.5% of February days were Good (AQI 0–50), 53.5% Moderate (51–100).
  • ✓0 days of 198 reached AQI 101+; the February peak was 90.
  • ✓Best February: 2020; worst February: 2023.

Frequently asked questions

What is the air quality like in Atlanta in February?▾

Across 2019–2025, the median daily AQI in Atlanta in February was 52 (Moderate). 46.5% of days were Good, 53.5% Moderate, and 0.0% reached Unhealthy for Sensitive Groups or worse, based on 198 monitored days in EPA's Air Quality System.

Is February a good time for outdoor exercise in Atlanta?▾

A typical February day in Atlanta is Moderate (median AQI 52): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and fewer than 1% of February days 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 February air quality problems?▾

Fine particulate matter (PM2.5) set the daily AQI on 80.3% of February days in Atlanta. The highest February AQI recorded in 2019–2025 was 90 (Moderate), in 2023.

Atlanta February air quality, year by year

Atlanta February air quality by year (Atlanta-Sandy Springs-Roswell, GA, EPA AQS daily AQI)

YearDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
20192854077PM2.5
2020cleanest2942059PM2.5
20212853074PM2.5
20222854075PM2.5
2023worst2854081PM2.5
20242952090PM2.5
20252852074PM2.5

What February air means in Atlanta

A typical February day in Atlanta is Moderate (median AQI 52): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and fewer than 1% of February days reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.

February's median AQI of 52 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 February AQI across every EPA metro area (87,428 metro-days, 2019–2025) is 41, so Atlanta runs above the national February norm; 0.0% of its February days topped AQI 100 versus 0.4% nationally (about the same).

February is part of Atlanta's winter season (December, January, February); the winter 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 56 (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.