Augusta Air Quality in 2021
In 2021, Augusta's air quality (Augusta-Richmond County, GA-SC area) had a median daily AQI of 52 (Moderate) across 365 monitored days. 7 days (1.9%) reached Unhealthy for Sensitive Groups or worse, 158 were Good, and the year's peak AQI was 145 (Unhealthy for Sensitive Groups). Fine particulate matter (PM2.5) set the daily AQI on 304 of those days. The cleanest month of 2021 was June (median AQI 39, 0 days above 100) and the worst was February (median 41, 2 days above 100, peak 145).
- Good: 43.3%
- Moderate: 54.8%
- Unhealthy for Sensitive Groups: 1.9%
- Unhealthy or worse: 0.0%
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How was Augusta's air quality in 2021?
Moderate on a typical day: median AQI 52, with 7 days above AQI 100 out of 365 monitored — the 7th cleanest of 7 years on record for the area.
- ✓Peak AQI in 2021: 145 (Unhealthy for Sensitive Groups).
- ✓Fine particulate matter (PM2.5) was the main pollutant on 304 days.
- ✓Cleanest month: June; worst: February.
Frequently asked questions
What was the average AQI in Augusta in 2021?▾
EPA's Air Quality System puts Augusta's (Augusta-Richmond County, GA-SC) median daily AQI for 2021 at 52, which is Moderate. 7 days were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 145.
Which month had the worst air quality in Augusta in 2021?▾
The cleanest month of 2021 was June (median AQI 39, 0 days above 100) and the worst was February (median 41, 2 days above 100, peak 145).
Was 2021 a good or bad year for Augusta's air?▾
Among the 7 years EPA has published for the area (2019–2025), 2021 ranks 7th cleanest by days above AQI 100 — the worst year on record here. 2021's median of 52 is in line with the area's typical annual median of 52.
Augusta month by month in 2021
Augusta air quality month by month, 2021 (Augusta-Richmond County, GA-SC, EPA AQS daily AQI)
| Month | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| January | 31 | 55 | 0 | 73 | PM2.5 |
| Februaryworst | 28 | 41 | 2 | 145 | PM2.5 |
| March | 31 | 54 | 1 | 115 | PM2.5 |
| April | 30 | 58 | 0 | 92 | PM2.5 |
| May | 31 | 53 | 0 | 87 | O3 |
| Junecleanest | 30 | 39 | 0 | 80 | PM2.5 |
| July | 31 | 48 | 2 | 121 | PM2.5 |
| August | 31 | 54 | 0 | 68 | PM2.5 |
| September | 30 | 53 | 0 | 74 | PM2.5 |
| October | 31 | 51 | 0 | 87 | PM2.5 |
| November | 30 | 49 | 0 | 76 | PM2.5 |
| December | 31 | 58 | 2 | 121 | PM2.5 |
How 2021 compares
Among the 7 years EPA has published for the area (2019–2025), 2021 ranks 7th cleanest by days above AQI 100 — the worst year on record here.
2021's median of 52 is in line with the area's typical annual median of 52.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Augusta
The latest EPA AirNow observation puts Augusta's AQI at 28 (PM2.5). The figures above are multi-year annual 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.