St. Petersburg Air Quality in February

Across 2019–2025, St. Petersburg's February air quality had a median AQI of 52 (Moderate) over 198 monitored days in the Tampa-St. Petersburg-Clearwater, FL area. 0.0% of February days (0 of 198) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 80.3% of days. The cleanest February on record here was 2019 (median AQI 50, 0 days above 100) and the worst was 2024 (median 55, 0 days above 100, peak AQI 83).

52
Median AQI
Moderate
0.0%
Days above AQI 100
0 of 198 days
61
90th percentile AQI
worst 1 day in 10
87
Peak AQI
Moderate
PM2.5
Main pollutant
80.3% of days
41.9%
Good days
83 of 198
  • Good: 41.9%
  • Moderate: 58.1%
  • Unhealthy for Sensitive Groups: 0.0%
  • Unhealthy or worse: 0.0%

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QUICK ANSWER

How is the air in St. Petersburg in February?

Moderate on a typical day: median AQI 52 across 2019–2025, with 0.0% of February days above AQI 100. Fine particulate matter (PM2.5) is the main driver.

  • 41.9% of February days were Good (AQI 0–50), 58.1% Moderate (51–100).
  • 0 days of 198 reached AQI 101+; the February peak was 87.
  • Best February: 2019; worst February: 2024.

Frequently asked questions

What is the air quality like in St. Petersburg in February?

Across 2019–2025, the median daily AQI in St. Petersburg in February was 52 (Moderate). 41.9% of days were Good, 58.1% Moderate, and 0.0% reached Unhealthy for Sensitive Groups or worse, based on 198 monitored days in EPA's Air Quality System.

Is February a good time for outdoor exercise in St. Petersburg?

A typical February day in St. Petersburg 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 February 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 St. Petersburg's February air quality problems?

Fine particulate matter (PM2.5) set the daily AQI on 80.3% of February days in St. Petersburg. The highest February AQI recorded in 2019–2025 was 87 (Moderate), in 2024.

St. Petersburg February air quality, year by year

St. Petersburg February air quality by year (Tampa-St. Petersburg-Clearwater, FL, EPA AQS daily AQI)

YearDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
2019cleanest2850062PM2.5
20202952060PM2.5
20212852087PM2.5
20222851061PM2.5
20232851075PM2.5
2024worst2955083PM2.5
20252852066PM2.5

What February air means in St. Petersburg

A typical February day in St. Petersburg 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 February days reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.

February's median AQI of 52 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 February AQI across every EPA metro area (87,428 metro-days, 2019–2025) is 41, so St. Petersburg runs above the national February norm; 0.0% of its February days topped AQI 100 versus 0.4% nationally (about the same).

February is part of St. Petersburg's winter season (December, January, February); the winter 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.