Fort Lauderdale Air Quality in December
Across 2019–2025, Fort Lauderdale's December air quality had a median AQI of 49 (Good) over 217 monitored days in the Miami-Fort Lauderdale-West Palm Beach, FL area. 1.0% of December days (2 of 217) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 77.0% of days. The cleanest December on record here was 2024 (median AQI 42, 0 days above 100) and the worst was 2021 (median 49, 1 day above 100, peak AQI 135).
- Good: 55.3%
- Moderate: 43.8%
- Unhealthy for Sensitive Groups: 0.5%
- Unhealthy or worse: 0.5%
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How is the air in Fort Lauderdale in December?
Good on a typical day: median AQI 49 across 2019–2025, with 1.0% of December days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓55.3% of December days were Good (AQI 0–50), 43.8% Moderate (51–100).
- ✓2 days of 217 reached AQI 101+; the December peak was 156.
- ✓Best December: 2024; worst December: 2021.
Frequently asked questions
What is the air quality like in Fort Lauderdale in December?▾
Across 2019–2025, the median daily AQI in Fort Lauderdale in December was 49 (Good). 55.3% of days were Good, 43.8% Moderate, and 1.0% reached Unhealthy for Sensitive Groups or worse, based on 217 monitored days in EPA's Air Quality System.
Is December a good time for outdoor exercise in Fort Lauderdale?▾
A typical December day in Fort Lauderdale sits in the Good range (median AQI 49), so running, cycling and children's outdoor play are fine for everyone on most days; about 1 day in 100 of December days (1.0%) reached AQI 101+ in 2019–2025.
Which pollutant causes Fort Lauderdale's December air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 77.0% of December days in Fort Lauderdale. The highest December AQI recorded in 2019–2025 was 156 (Unhealthy), in 2021.
Fort Lauderdale December air quality, year by year
Fort Lauderdale December air quality by year (Miami-Fort Lauderdale-West Palm Beach, FL, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 31 | 51 | 0 | 71 | PM2.5 |
| 2020 | 31 | 52 | 0 | 68 | PM2.5 |
| 2021worst | 31 | 49 | 1 | 135 | PM2.5 |
| 2022 | 31 | 54 | 0 | 91 | PM2.5 |
| 2023 | 31 | 42 | 1 | 156 | PM2.5 |
| 2024cleanest | 31 | 42 | 0 | 64 | PM2.5 |
| 2025 | 31 | 48 | 0 | 80 | PM2.5 |
What December air means in Fort Lauderdale
A typical December day in Fort Lauderdale sits in the Good range (median AQI 49), so running, cycling and children's outdoor play are fine for everyone on most days; about 1 day in 100 of December days (1.0%) reached AQI 101+ in 2019–2025.
December's median AQI of 49 is in line with Fort Lauderdale's whole-year median of 51, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median December AQI across every EPA metro area (95,590 metro-days, 2019–2025) is 39, so Fort Lauderdale runs above the national December norm; 1.0% of its December days topped AQI 100 versus 0.7% nationally (about the same).
December is part of Fort Lauderdale's winter season (December, January, February); the winter page pools all three months.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Fort Lauderdale
The latest EPA AirNow observation puts Fort Lauderdale's AQI at 42 (PM2.5). The figures above are multi-year month statistics, not today's reading.
View current Fort Lauderdale 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.