Miami Air Quality in February

Across 2019–2025, Miami's February air quality had a median AQI of 52 (Moderate) over 198 monitored days in the Miami-Fort Lauderdale-West Palm Beach, FL area. 1.0% of February days (2 of 198) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 81.8% of days. The cleanest February on record here was 2025 (median AQI 47, 0 days above 100) and the worst was 2024 (median 51, 2 days above 100, peak AQI 190).

52
Median AQI
Moderate
1.0%
Days above AQI 100
2 of 198 days
62
90th percentile AQI
worst 1 day in 10
190
Peak AQI
Unhealthy
PM2.5
Main pollutant
81.8% of days
39.4%
Good days
78 of 198
  • Good: 39.4%
  • Moderate: 59.6%
  • Unhealthy for Sensitive Groups: 0.0%
  • Unhealthy or worse: 1.0%

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QUICK ANSWER

How is the air in Miami in February?

Moderate on a typical day: median AQI 52 across 2019–2025, with 1.0% of February days above AQI 100. Fine particulate matter (PM2.5) is the main driver.

  • ✓39.4% of February days were Good (AQI 0–50), 59.6% Moderate (51–100).
  • ✓2 days of 198 reached AQI 101+; the February peak was 190.
  • ✓Best February: 2025; worst February: 2024.

Frequently asked questions

What is the air quality like in Miami in February?▾

Across 2019–2025, the median daily AQI in Miami in February was 52 (Moderate). 39.4% of days were Good, 59.6% Moderate, and 1.0% 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 Miami?▾

A typical February day in Miami is Moderate (median AQI 52): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 100 of February days (1.0%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.

Which pollutant causes Miami's February air quality problems?▾

Fine particulate matter (PM2.5) set the daily AQI on 81.8% of February days in Miami. The highest February AQI recorded in 2019–2025 was 190 (Unhealthy), in 2024.

Miami February air quality, year by year

Miami February air quality by year (Miami-Fort Lauderdale-West Palm Beach, FL, EPA AQS daily AQI)

YearDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
20192850061PM2.5
20202952065PM2.5
20212855067PM2.5
20222850064PM2.5
20232857075PM2.5
2024worst29512190PM2.5
2025cleanest2847080PM2.5

What February air means in Miami

A typical February day in Miami is Moderate (median AQI 52): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 100 of February days (1.0%) 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 Miami'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 Miami runs above the national February norm; 1.0% of its February days topped AQI 100 versus 0.4% nationally (about the same).

February is part of Miami's winter season (December, January, February); the winter page pools all three months.

Activity-specific thresholds: running, cycling, kids' sports.

Right now in Miami

The latest EPA AirNow observation puts Miami's AQI at 51 (PM2.5). The figures above are multi-year month statistics, not today's reading.

View current Miami air quality →

Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Miami-Fort Lauderdale-West Palm Beach, 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.