Wichita Air Quality in January

Across 2019–2025, Wichita's January air quality had a median AQI of 42 (Good) over 217 monitored days in the Wichita, KS area. 0.0% of January days (0 of 217) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 66.4% of days. The cleanest January on record here was 2019 (median AQI 31, 0 days above 100) and the worst was 2023 (median 54, 0 days above 100, peak AQI 71).

42
Median AQI
Good
0.0%
Days above AQI 100
0 of 217 days
61
90th percentile AQI
worst 1 day in 10
74
Peak AQI
Moderate
PM2.5
Main pollutant
66.4% of days
64.1%
Good days
139 of 217
  • Good: 64.1%
  • Moderate: 35.9%
  • Unhealthy for Sensitive Groups: 0.0%
  • Unhealthy or worse: 0.0%

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QUICK ANSWER

How is the air in Wichita in January?

Good on a typical day: median AQI 42 across 2019–2025, with 0.0% of January days above AQI 100. Fine particulate matter (PM2.5) is the main driver.

  • 64.1% of January days were Good (AQI 0–50), 35.9% Moderate (51–100).
  • 0 days of 217 reached AQI 101+; the January peak was 74.
  • Best January: 2019; worst January: 2023.

Frequently asked questions

What is the air quality like in Wichita in January?

Across 2019–2025, the median daily AQI in Wichita in January was 42 (Good). 64.1% of days were Good, 35.9% Moderate, and 0.0% reached Unhealthy for Sensitive Groups or worse, based on 217 monitored days in EPA's Air Quality System.

Is January a good time for outdoor exercise in Wichita?

A typical January day in Wichita sits in the Good range (median AQI 42), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of January days reached AQI 101+ in 2019–2025.

Which pollutant causes Wichita's January air quality problems?

Fine particulate matter (PM2.5) set the daily AQI on 66.4% of January days in Wichita. The highest January AQI recorded in 2019–2025 was 74 (Moderate), in 2023.

Wichita January air quality, year by year

Wichita January air quality by year (Wichita, KS, EPA AQS daily AQI)

YearDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
2019cleanest3131066O3
20203140064PM2.5
20213153074PM2.5
20223146063PM2.5
2023worst3154071PM2.5
20243133052O3
20253148063PM2.5

What January air means in Wichita

A typical January day in Wichita sits in the Good range (median AQI 42), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of January days reached AQI 101+ in 2019–2025.

January's median AQI of 42 is below Wichita's whole-year median of 50, making it one of the area's cleaner periods. Nationally, the median January AQI across every EPA metro area (95,602 metro-days, 2019–2025) is 39, so Wichita runs in line with the national January norm; 0.0% of its January days topped AQI 100 versus 0.7% nationally (about the same).

January is part of Wichita's winter season (December, January, February); the winter 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.