Jackson Air Quality in Winter
Across 2019–2025, Jackson's winter (December–February) air quality had a median AQI of 51 (Moderate) over 632 monitored days in the Jackson, MS area. 0.3% of winter days (2 of 632) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 84.0% of days. The cleanest winter on record here was 2024 (median AQI 46, 0 days above 100) and the worst was 2022 (median 53, 1 day above 100, peak AQI 101).
- Good: 49.2%
- Moderate: 50.5%
- Unhealthy for Sensitive Groups: 0.3%
- Unhealthy or worse: 0.0%
Extra Protection for Jackson Homes
Air quality in Jackson is moderate (AQI 75), 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.
Recommended: Coway AP-1512HH Mighty — True HEPA + carbon · CADR ~246 CFM · rooms up to 361 sq ft
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How is the air in Jackson in winter?
Moderate on a typical day: median AQI 51 across 2019–2025, with 0.3% of winter days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓49.2% of winter days were Good (AQI 0–50), 50.5% Moderate (51–100).
- ✓2 days of 632 reached AQI 101+; the winter peak was 106.
- ✓Cleanest month: January; worst month: February.
Frequently asked questions
What is the air quality like in Jackson in winter?▾
Across 2019–2025, the median daily AQI in Jackson in winter was 51 (Moderate). 49.2% of days were Good, 50.5% Moderate, and 0.3% reached Unhealthy for Sensitive Groups or worse, based on 632 monitored days in EPA's Air Quality System.
Is winter a good time for outdoor exercise in Jackson?▾
A typical winter day in Jackson is Moderate (median AQI 51): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and fewer than 1% of winter 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 Jackson's winter air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 84.0% of winter days in Jackson. The highest winter AQI recorded in 2019–2025 was 106 (Unhealthy for Sensitive Groups), in 2022.
Jackson winter air quality, year by year
Jackson winter air quality by year (Jackson, MS, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 90 | 48 | 0 | 87 | PM2.5 |
| 2020 | 91 | 50 | 0 | 87 | PM2.5 |
| 2021 | 90 | 54 | 0 | 73 | PM2.5 |
| 2022worst | 90 | 53 | 1 | 101 | PM2.5 |
| 2023 | 90 | 49 | 1 | 106 | PM2.5 |
| 2024cleanest | 91 | 46 | 0 | 85 | PM2.5 |
| 2025 | 90 | 49 | 0 | 66 | PM2.5 |
What winter air means in Jackson
A typical winter day in Jackson is Moderate (median AQI 51): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and fewer than 1% of winter days reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
Winter's median AQI of 51 is in line with Jackson's whole-year median of 52, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median Winter AQI across every EPA metro area (278,620 metro-days, 2019–2025) is 40, so Jackson runs above the national Winter norm; 0.3% of its Winter days topped AQI 100 versus 0.6% nationally (about the same).
Within the season, January is the cleanest month (median AQI 48, 0.0% of days above 100) and February the worst (median 52, 1.0% above 100).
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Jackson
The latest EPA AirNow observation puts Jackson's AQI at 75 (PM2.5). The figures above are multi-year season statistics, not today's reading.
View current Jackson air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Jackson, MS), 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.