Wichita Air Quality in September
Across 2019–2025, Wichita's September air quality had a median AQI of 53 (Moderate) over 210 monitored days in the Wichita, KS area. 1.0% of September days (2 of 210) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 54.8% of days. The cleanest September on record here was 2019 (median AQI 45, 0 days above 100) and the worst was 2023 (median 61, 2 days above 100, peak AQI 157).
- Good: 39.5%
- Moderate: 59.5%
- Unhealthy for Sensitive Groups: 0.5%
- Unhealthy or worse: 0.5%
Extra Protection for Wichita Homes
Air quality in Wichita is moderate (AQI 64), 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 Wichita in September?
Moderate on a typical day: median AQI 53 across 2019–2025, with 1.0% of September days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓39.5% of September days were Good (AQI 0–50), 59.5% Moderate (51–100).
- ✓2 days of 210 reached AQI 101+; the September peak was 157.
- ✓Best September: 2019; worst September: 2023.
Frequently asked questions
What is the air quality like in Wichita in September?▾
Across 2019–2025, the median daily AQI in Wichita in September was 53 (Moderate). 39.5% of days were Good, 59.5% Moderate, and 1.0% 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 Wichita?▾
A typical September day in Wichita is Moderate (median AQI 53): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 100 of September 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 Wichita's September air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 54.8% of September days in Wichita. The highest September AQI recorded in 2019–2025 was 157 (Unhealthy), in 2023.
Wichita September air quality, year by year
Wichita September air quality by year (Wichita, KS, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019cleanest | 30 | 45 | 0 | 74 | O3 |
| 2020 | 30 | 52 | 0 | 93 | PM2.5 |
| 2021 | 30 | 57 | 0 | 73 | PM2.5 |
| 2022 | 30 | 52 | 0 | 90 | O3 |
| 2023worst | 30 | 61 | 2 | 157 | PM2.5 |
| 2024 | 30 | 45 | 0 | 74 | O3 |
| 2025 | 30 | 55 | 0 | 77 | PM2.5 |
What September air means in Wichita
A typical September day in Wichita is Moderate (median AQI 53): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 100 of September days (1.0%) 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 53 is in line with Wichita's whole-year median of 50, 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 Wichita runs above the national September norm; 1.0% of its September days topped AQI 100 versus 2.7% nationally (below average).
September is part of Wichita's fall season (September, October, November); the fall page pools all three months.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Wichita
The latest EPA AirNow observation puts Wichita's AQI at 64 (PM2.5). The figures above are multi-year month statistics, not today's reading.
View current Wichita air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Wichita, KS), 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.