Tallahassee Air Quality in March

Across 2019–2025, Tallahassee's March air quality had a median AQI of 52 (Moderate) over 217 monitored days in the Tallahassee, FL area. 0.5% of March days (1 of 217) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 77.4% of days. The cleanest March on record here was 2022 (median AQI 46, 0 days above 100) and the worst was 2025 (median 52, 1 day above 100, peak AQI 140).

52
Median AQI
Moderate
0.5%
Days above AQI 100
1 of 217 days
67
90th percentile AQI
worst 1 day in 10
140
Peak AQI
Unhealthy for Sensitive Groups
PM2.5
Main pollutant
77.4% of days
43.3%
Good days
94 of 217
  • Good: 43.3%
  • Moderate: 56.2%
  • Unhealthy for Sensitive Groups: 0.5%
  • Unhealthy or worse: 0.0%

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QUICK ANSWER

How is the air in Tallahassee in March?

Moderate on a typical day: median AQI 52 across 2019–2025, with 0.5% of March days above AQI 100. Fine particulate matter (PM2.5) is the main driver.

  • 43.3% of March days were Good (AQI 0–50), 56.2% Moderate (51–100).
  • 1 day of 217 reached AQI 101+; the March peak was 140.
  • Best March: 2022; worst March: 2025.

Frequently asked questions

What is the air quality like in Tallahassee in March?

Across 2019–2025, the median daily AQI in Tallahassee in March was 52 (Moderate). 43.3% of days were Good, 56.2% Moderate, and 0.5% reached Unhealthy for Sensitive Groups or worse, based on 217 monitored days in EPA's Air Quality System.

Is March a good time for outdoor exercise in Tallahassee?

A typical March day in Tallahassee 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 March 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 Tallahassee's March air quality problems?

Fine particulate matter (PM2.5) set the daily AQI on 77.4% of March days in Tallahassee. The highest March AQI recorded in 2019–2025 was 140 (Unhealthy for Sensitive Groups), in 2025.

Tallahassee March air quality, year by year

Tallahassee March air quality by year (Tallahassee, FL, EPA AQS daily AQI)

YearDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
20193153084PM2.5
20203155066PM2.5
20213153077PM2.5
2022cleanest3146075PM2.5
20233158093PM2.5
20243148072PM2.5
2025worst31521140PM2.5

What March air means in Tallahassee

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

March's median AQI of 52 is in line with Tallahassee's whole-year median of 49, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median March AQI across every EPA metro area (102,455 metro-days, 2019–2025) is 42, so Tallahassee runs above the national March norm; 0.5% of its March days topped AQI 100 versus 0.4% nationally (about the same).

March is part of Tallahassee's spring season (March, April, May); the spring 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.