Augusta Air Quality in Fall
Across 2019–2025, Augusta's fall (September–November) air quality had a median AQI of 52 (Moderate) over 636 monitored days in the Augusta-Richmond County, GA-SC area. 0.3% of fall days (2 of 636) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 84.3% of days. The cleanest fall on record here was 2020 (median AQI 51, 0 days above 100) and the worst was 2019 (median 55, 2 days above 100, peak AQI 101).
- Good: 43.2%
- Moderate: 56.4%
- Unhealthy for Sensitive Groups: 0.3%
- Unhealthy or worse: 0.0%
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How is the air in Augusta in fall?
Moderate on a typical day: median AQI 52 across 2019–2025, with 0.3% of fall days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓43.2% of fall days were Good (AQI 0–50), 56.4% Moderate (51–100).
- ✓2 days of 636 reached AQI 101+; the fall peak was 101.
- ✓Cleanest month: September; worst month: October.
Frequently asked questions
What is the air quality like in Augusta in fall?▾
Across 2019–2025, the median daily AQI in Augusta in fall was 52 (Moderate). 43.2% of days were Good, 56.4% Moderate, and 0.3% reached Unhealthy for Sensitive Groups or worse, based on 636 monitored days in EPA's Air Quality System.
Is fall a good time for outdoor exercise in Augusta?▾
A typical fall day in Augusta 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 fall 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 Augusta's fall air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 84.3% of fall days in Augusta. The highest fall AQI recorded in 2019–2025 was 101 (Unhealthy for Sensitive Groups), in 2019.
Augusta fall air quality, year by year
Augusta fall air quality by year (Augusta-Richmond County, GA-SC, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019worst | 91 | 55 | 2 | 101 | PM2.5 |
| 2020cleanest | 91 | 51 | 0 | 78 | PM2.5 |
| 2021 | 91 | 52 | 0 | 87 | PM2.5 |
| 2022 | 91 | 52 | 0 | 77 | PM2.5 |
| 2023 | 91 | 51 | 0 | 82 | PM2.5 |
| 2024 | 90 | 53 | 0 | 83 | PM2.5 |
| 2025 | 91 | 52 | 0 | 86 | PM2.5 |
What fall air means in Augusta
A typical fall day in Augusta 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 fall days reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
Fall's median AQI of 52 is in line with Augusta's whole-year median of 52, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median Fall AQI across every EPA metro area (296,275 metro-days, 2019–2025) is 40, so Augusta runs above the national Fall norm; 0.3% of its Fall days topped AQI 100 versus 1.5% nationally (below average).
Within the season, September is the cleanest month (median AQI 52, 0.0% of days above 100) and October the worst (median 52, 0.9% above 100).
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Augusta
The latest EPA AirNow observation puts Augusta's AQI at 49 (PM2.5). The figures above are multi-year season statistics, not today's reading.
View current Augusta air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Augusta-Richmond County, GA-SC), 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.