Tallahassee Air Quality in October
Across 2019–2025, Tallahassee's October air quality had a median AQI of 45 (Good) over 217 monitored days in the Tallahassee, FL area. 0.5% of October days (1 of 217) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 79.7% of days. The cleanest October on record here was 2025 (median AQI 37, 0 days above 100) and the worst was 2023 (median 41, 1 day above 100, peak AQI 124).
- Good: 59.4%
- Moderate: 40.1%
- Unhealthy for Sensitive Groups: 0.5%
- Unhealthy or worse: 0.0%
Extra Protection for Tallahassee Homes
Air quality in Tallahassee is moderate (AQI 53), with fine particles (PM2.5) the main concern. A True-HEPA purifier gives sensitive groups — kids, seniors and anyone with asthma or allergies — cleaner air indoors on days like today.
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How is the air in Tallahassee in October?
Good on a typical day: median AQI 45 across 2019–2025, with 0.5% of October days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓59.4% of October days were Good (AQI 0–50), 40.1% Moderate (51–100).
- ✓1 day of 217 reached AQI 101+; the October peak was 124.
- ✓Best October: 2025; worst October: 2023.
Frequently asked questions
What is the air quality like in Tallahassee in October?▾
Across 2019–2025, the median daily AQI in Tallahassee in October was 45 (Good). 59.4% of days were Good, 40.1% Moderate, and 0.5% 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 Tallahassee?▾
A typical October day in Tallahassee sits in the Good range (median AQI 45), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of October days reached AQI 101+ in 2019–2025.
Which pollutant causes Tallahassee's October air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 79.7% of October days in Tallahassee. The highest October AQI recorded in 2019–2025 was 124 (Unhealthy for Sensitive Groups), in 2023.
Tallahassee October air quality, year by year
Tallahassee October air quality by year (Tallahassee, FL, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 31 | 43 | 0 | 59 | PM2.5 |
| 2020 | 31 | 52 | 0 | 64 | PM2.5 |
| 2021 | 31 | 51 | 0 | 62 | PM2.5 |
| 2022 | 31 | 52 | 0 | 61 | PM2.5 |
| 2023worst | 31 | 41 | 1 | 124 | PM2.5 |
| 2024 | 31 | 52 | 0 | 87 | PM2.5 |
| 2025cleanest | 31 | 37 | 0 | 58 | O3 |
What October air means in Tallahassee
A typical October day in Tallahassee sits in the Good range (median AQI 45), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of October days reached AQI 101+ in 2019–2025.
October's median AQI of 45 is below Tallahassee's whole-year median of 49, making it one of the area's cleaner periods. Nationally, the median October AQI across every EPA metro area (102,872 metro-days, 2019–2025) is 38, so Tallahassee runs above the national October norm; 0.5% of its October days topped AQI 100 versus 1.3% nationally (about the same).
October is part of Tallahassee's fall season (September, October, November); the fall page pools all three months.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Tallahassee
The latest EPA AirNow observation puts Tallahassee's AQI at 53 (PM2.5). The figures above are multi-year month 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.