Tallahassee Air Quality in 2021
In 2021, Tallahassee's air quality (Tallahassee, FL area) had a median daily AQI of 49 (Good) across 365 monitored days. 0 days (0.0%) reached Unhealthy for Sensitive Groups or worse, 186 were Good, and the year's peak AQI was 81 (Moderate). Fine particulate matter (PM2.5) set the daily AQI on 317 of those days. The cleanest month of 2021 was February (median AQI 40, 0 days above 100) and the worst was August (median 54, 0 days above 100, peak 81).
- Good: 51.0%
- Moderate: 49.0%
- Unhealthy for Sensitive Groups: 0.0%
- Unhealthy or worse: 0.0%
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How was Tallahassee's air quality in 2021?
Good on a typical day: median AQI 49, with 0 days above AQI 100 out of 365 monitored — the 2nd cleanest of 7 years on record for the area.
- ✓Peak AQI in 2021: 81 (Moderate).
- ✓Fine particulate matter (PM2.5) was the main pollutant on 317 days.
- ✓Cleanest month: February; worst: August.
Frequently asked questions
What was the average AQI in Tallahassee in 2021?▾
EPA's Air Quality System puts Tallahassee's (Tallahassee, FL) median daily AQI for 2021 at 49, which is Good. 0 days were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 81.
Which month had the worst air quality in Tallahassee in 2021?▾
The cleanest month of 2021 was February (median AQI 40, 0 days above 100) and the worst was August (median 54, 0 days above 100, peak 81).
Was 2021 a good or bad year for Tallahassee's air?▾
Among the 7 years EPA has published for the area (2019–2025), 2021 ranks 2nd cleanest by days above AQI 100. 2021's median of 49 is in line with the area's typical annual median of 49.
Tallahassee month by month in 2021
Tallahassee air quality month by month, 2021 (Tallahassee, FL, EPA AQS daily AQI)
| Month | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| January | 31 | 52 | 0 | 70 | PM2.5 |
| Februarycleanest | 28 | 40 | 0 | 65 | PM2.5 |
| March | 31 | 53 | 0 | 77 | PM2.5 |
| April | 30 | 54 | 0 | 80 | PM2.5 |
| May | 31 | 49 | 0 | 64 | O3 |
| June | 30 | 40 | 0 | 75 | PM2.5 |
| July | 31 | 49 | 0 | 67 | PM2.5 |
| Augustworst | 31 | 54 | 0 | 81 | PM2.5 |
| September | 30 | 52 | 0 | 64 | PM2.5 |
| October | 31 | 51 | 0 | 62 | PM2.5 |
| November | 30 | 51 | 0 | 61 | PM2.5 |
| December | 31 | 45 | 0 | 68 | PM2.5 |
How 2021 compares
Among the 7 years EPA has published for the area (2019–2025), 2021 ranks 2nd cleanest by days above AQI 100.
2021's median of 49 is in line with the area's typical annual median of 49.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Tallahassee
The latest EPA AirNow observation puts Tallahassee's AQI at 15 (PM2.5). The figures above are multi-year annual statistics, not today's reading.
View current Tallahassee air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Tallahassee, FL), 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.