Augusta Air Quality in October
Across 2019–2025, Augusta's October air quality had a median AQI of 52 (Moderate) over 217 monitored days in the Augusta-Richmond County, GA-SC area. 0.9% of October days (2 of 217) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 78.3% of days. The cleanest October on record here was 2025 (median AQI 38, 0 days above 100) and the worst was 2019 (median 50, 2 days above 100, peak AQI 101).
- Good: 47.0%
- Moderate: 52.1%
- Unhealthy for Sensitive Groups: 0.9%
- Unhealthy or worse: 0.0%
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How is the air in Augusta in October?
Moderate on a typical day: median AQI 52 across 2019–2025, with 0.9% of October days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓47.0% of October days were Good (AQI 0–50), 52.1% Moderate (51–100).
- ✓2 days of 217 reached AQI 101+; the October peak was 101.
- ✓Best October: 2025; worst October: 2019.
Frequently asked questions
What is the air quality like in Augusta in October?▾
Across 2019–2025, the median daily AQI in Augusta in October was 52 (Moderate). 47.0% of days were Good, 52.1% Moderate, and 0.9% reached Unhealthy for Sensitive Groups or worse, based on 217 monitored days in EPA's Air Quality System.
Is October a good time for outdoor exercise in Augusta?▾
A typical October 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 October 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 October air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 78.3% of October days in Augusta. The highest October AQI recorded in 2019–2025 was 101 (Unhealthy for Sensitive Groups), in 2019.
Augusta October air quality, year by year
Augusta October 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 | 31 | 50 | 2 | 101 | PM2.5 |
| 2020 | 31 | 52 | 0 | 76 | PM2.5 |
| 2021 | 31 | 51 | 0 | 87 | PM2.5 |
| 2022 | 31 | 55 | 0 | 77 | PM2.5 |
| 2023 | 31 | 46 | 0 | 68 | PM2.5 |
| 2024 | 31 | 58 | 0 | 83 | PM2.5 |
| 2025cleanest | 31 | 38 | 0 | 62 | PM2.5 |
What October air means in Augusta
A typical October 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 October days reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
October'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 October AQI across every EPA metro area (102,872 metro-days, 2019–2025) is 38, so Augusta runs above the national October norm; 0.9% of its October days topped AQI 100 versus 1.3% nationally (about the same).
October is part of Augusta's fall season (September, October, November); the fall page pools all three months.
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 month 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.