Macon Air Quality in December
Across 2019–2025, Macon's December air quality had a median AQI of 47 (Good) over 217 monitored days in the Macon, GA area. 0.0% of December days (0 of 217) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 100.0% of days. The cleanest December on record here was 2019 (median AQI 32, 0 days above 100) and the worst was 2025 (median 56, 0 days above 100, peak AQI 95).
- Good: 54.4%
- Moderate: 45.6%
- Unhealthy for Sensitive Groups: 0.0%
- Unhealthy or worse: 0.0%
Extra Protection for Macon Homes
Air quality in Macon is moderate (AQI 55), with fine particles (PM2.5) the main concern. A True-HEPA purifier gives sensitive groups — kids, seniors and anyone with asthma or allergies — cleaner air indoors on days like today.
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How is the air in Macon in December?
Good on a typical day: median AQI 47 across 2019–2025, with 0.0% of December days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓54.4% of December days were Good (AQI 0–50), 45.6% Moderate (51–100).
- ✓0 days of 217 reached AQI 101+; the December peak was 95.
- ✓Best December: 2019; worst December: 2025.
Frequently asked questions
What is the air quality like in Macon in December?▾
Across 2019–2025, the median daily AQI in Macon in December was 47 (Good). 54.4% of days were Good, 45.6% Moderate, and 0.0% 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 Macon?▾
A typical December day in Macon sits in the Good range (median AQI 47), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of December days reached AQI 101+ in 2019–2025.
Which pollutant causes Macon's December air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 100.0% of December days in Macon. The highest December AQI recorded in 2019–2025 was 95 (Moderate), in 2025.
Macon December air quality, year by year
Macon December air quality by year (Macon, GA, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019cleanest | 31 | 32 | 0 | 68 | PM2.5 |
| 2020 | 31 | 48 | 0 | 64 | PM2.5 |
| 2021 | 31 | 48 | 0 | 80 | PM2.5 |
| 2022 | 31 | 44 | 0 | 62 | PM2.5 |
| 2023 | 31 | 39 | 0 | 65 | PM2.5 |
| 2024 | 31 | 52 | 0 | 70 | PM2.5 |
| 2025worst | 31 | 56 | 0 | 95 | PM2.5 |
What December air means in Macon
A typical December day in Macon sits in the Good range (median AQI 47), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of December days reached AQI 101+ in 2019–2025.
December's median AQI of 47 is in line with Macon's whole-year median of 48, 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 Macon runs above the national December norm; 0.0% of its December days topped AQI 100 versus 0.7% nationally (about the same).
December is part of Macon's winter season (December, January, February); the winter page pools all three months.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Macon
The latest EPA AirNow observation puts Macon's AQI at 55 (PM2.5). The figures above are multi-year month statistics, not today's reading.
View current Macon air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Macon, GA), 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.