Jackson Air Quality in September
Across 2019–2025, Jackson's September air quality had a median AQI of 52 (Moderate) over 210 monitored days in the Jackson, MS area. 0.0% of September days (0 of 210) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 81.4% of days. The cleanest September on record here was 2024 (median AQI 41, 0 days above 100) and the worst was 2025 (median 56, 0 days above 100, peak AQI 69).
- Good: 41.9%
- Moderate: 58.1%
- Unhealthy for Sensitive Groups: 0.0%
- 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 September?
Moderate on a typical day: median AQI 52 across 2019–2025, with 0.0% of September days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓41.9% of September days were Good (AQI 0–50), 58.1% Moderate (51–100).
- ✓0 days of 210 reached AQI 101+; the September peak was 90.
- ✓Best September: 2024; worst September: 2025.
Frequently asked questions
What is the air quality like in Jackson in September?▾
Across 2019–2025, the median daily AQI in Jackson in September was 52 (Moderate). 41.9% of days were Good, 58.1% Moderate, and 0.0% reached Unhealthy for Sensitive Groups or worse, based on 210 monitored days in EPA's Air Quality System.
Is September a good time for outdoor exercise in Jackson?▾
A typical September day in Jackson 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 September 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 September air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 81.4% of September days in Jackson. The highest September AQI recorded in 2019–2025 was 90 (Moderate), in 2025.
Jackson September air quality, year by year
Jackson September air quality by year (Jackson, MS, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 30 | 56 | 0 | 76 | PM2.5 |
| 2020 | 30 | 48 | 0 | 81 | PM2.5 |
| 2021 | 30 | 52 | 0 | 70 | PM2.5 |
| 2022 | 30 | 55 | 0 | 79 | PM2.5 |
| 2023 | 30 | 54 | 0 | 90 | PM2.5 |
| 2024cleanest | 30 | 41 | 0 | 56 | PM2.5 |
| 2025worst | 30 | 56 | 0 | 69 | PM2.5 |
What September air means in Jackson
A typical September day in Jackson 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 September days reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
September's median AQI of 52 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 September AQI across every EPA metro area (100,699 metro-days, 2019–2025) is 43, so Jackson runs above the national September norm; 0.0% of its September days topped AQI 100 versus 2.7% nationally (below average).
September is part of Jackson's fall season (September, October, November); the fall page pools all three months.
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 month 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.