St. Petersburg Air Quality in November
Across 2019–2025, St. Petersburg's November air quality had a median AQI of 48 (Good) over 210 monitored days in the Tampa-St. Petersburg-Clearwater, FL area. 0.0% of November days (0 of 210) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 78.1% of days. The cleanest November on record here was 2020 (median AQI 44, 0 days above 100) and the worst was 2025 (median 53, 0 days above 100, peak AQI 87).
- Good: 56.7%
- Moderate: 43.3%
- Unhealthy for Sensitive Groups: 0.0%
- Unhealthy or worse: 0.0%
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How is the air in St. Petersburg in November?
Good on a typical day: median AQI 48 across 2019–2025, with 0.0% of November days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓56.7% of November days were Good (AQI 0–50), 43.3% Moderate (51–100).
- ✓0 days of 210 reached AQI 101+; the November peak was 87.
- ✓Best November: 2020; worst November: 2025.
Frequently asked questions
What is the air quality like in St. Petersburg in November?▾
Across 2019–2025, the median daily AQI in St. Petersburg in November was 48 (Good). 56.7% of days were Good, 43.3% Moderate, and 0.0% reached Unhealthy for Sensitive Groups or worse, based on 210 monitored days in EPA's Air Quality System.
Is November a good time for outdoor exercise in St. Petersburg?▾
A typical November day in St. Petersburg sits in the Good range (median AQI 48), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of November days reached AQI 101+ in 2019–2025.
Which pollutant causes St. Petersburg's November air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 78.1% of November days in St. Petersburg. The highest November AQI recorded in 2019–2025 was 87 (Moderate), in 2025.
St. Petersburg November air quality, year by year
St. Petersburg November air quality by year (Tampa-St. Petersburg-Clearwater, FL, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 30 | 50 | 0 | 70 | PM2.5 |
| 2020cleanest | 30 | 44 | 0 | 59 | PM2.5 |
| 2021 | 30 | 46 | 0 | 63 | PM2.5 |
| 2022 | 30 | 49 | 0 | 56 | PM2.5 |
| 2023 | 30 | 48 | 0 | 80 | PM2.5 |
| 2024 | 30 | 49 | 0 | 71 | PM2.5 |
| 2025worst | 30 | 53 | 0 | 87 | PM2.5 |
What November air means in St. Petersburg
A typical November day in St. Petersburg sits in the Good range (median AQI 48), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of November days reached AQI 101+ in 2019–2025.
November's median AQI of 48 is in line with St. Petersburg's whole-year median of 51, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median November AQI across every EPA metro area (92,704 metro-days, 2019–2025) is 39, so St. Petersburg runs above the national November norm; 0.0% of its November days topped AQI 100 versus 0.6% nationally (about the same).
November is part of St. Petersburg's fall season (September, October, November); the fall page pools all three months.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in St. Petersburg
The latest EPA AirNow observation puts St. Petersburg's AQI at 38 (PM2.5). The figures above are multi-year month statistics, not today's reading.
View current St. Petersburg air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Tampa-St. Petersburg-Clearwater, 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.