Kansas City Air Quality in July

Across 2019–2025, Kansas City's July air quality had a median AQI of 58 (Moderate) over 217 monitored days in the Kansas City, MO-KS area. 8.8% of July days (19 of 217) reached Unhealthy for Sensitive Groups or worse, and ground-level ozone set the daily AQI on 50.7% of days. The cleanest July on record here was 2019 (median AQI 58, 0 days above 100) and the worst was 2022 (median 61, 6 days above 100, peak AQI 115).

58
Median AQI
Moderate
8.8%
Days above AQI 100
19 of 217 days
97
90th percentile AQI
worst 1 day in 10
159
Peak AQI
Unhealthy
O3
Main pollutant
50.7% of days
24.4%
Good days
53 of 217
  • Good: 24.4%
  • Moderate: 66.8%
  • Unhealthy for Sensitive Groups: 7.4%
  • Unhealthy or worse: 1.4%

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QUICK ANSWER

How is the air in Kansas City in July?

Moderate on a typical day: median AQI 58 across 2019–2025, with 8.8% of July days above AQI 100. Ground-level ozone is the main driver.

  • 24.4% of July days were Good (AQI 0–50), 66.8% Moderate (51–100).
  • 19 days of 217 reached AQI 101+; the July peak was 159.
  • Best July: 2019; worst July: 2022.

Frequently asked questions

What is the air quality like in Kansas City in July?

Across 2019–2025, the median daily AQI in Kansas City in July was 58 (Moderate). 24.4% of days were Good, 66.8% Moderate, and 8.8% reached Unhealthy for Sensitive Groups or worse, based on 217 monitored days in EPA's Air Quality System.

Is July a good time for outdoor exercise in Kansas City?

A typical July day in Kansas City is Moderate (median AQI 58): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 11 of July days (8.8%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.

Which pollutant causes Kansas City's July air quality problems?

Ground-level ozone set the daily AQI on 50.7% of July days in Kansas City. The highest July AQI recorded in 2019–2025 was 159 (Unhealthy), in 2022.

Kansas City July air quality, year by year

Kansas City July air quality by year (Kansas City, MO-KS, EPA AQS daily AQI)

YearDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
2019cleanest3158097O3
202031513159O3
202131654147PM2.5
2022worst31616115O3
202331644151O3
202431571119O3
202531561156O3

What July air means in Kansas City

A typical July day in Kansas City is Moderate (median AQI 58): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 11 of July days (8.8%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.

July's median AQI of 58 is above Kansas City's whole-year median of 54, making it one of the area's dirtier periods. Nationally, the median July AQI across every EPA metro area (103,858 metro-days, 2019–2025) is 47, so Kansas City runs above the national July norm; 8.8% of its July days topped AQI 100 versus 3.6% nationally (above average).

July is part of Kansas City's summer season (June, July, August); the summer page pools all three months.

Activity-specific thresholds: running, cycling, kids' sports.

Right now in Kansas City

The latest EPA AirNow observation puts Kansas City's AQI at 64 (PM2.5). The figures above are multi-year month statistics, not today's reading.

View current Kansas City air quality →

Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Kansas City, MO-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.