Hourly Weather | Today Monday, September 21, 2026
Lenexa, Kansas
2 PM
Cloudy Weather
72°
Feels Like 73°
6
Humidity: 74%
UV Index: 2
Wind: 8 mph
3 PM
Cloudy Weather
73°
Feels Like 73°
6
Humidity: 72%
UV Index: 2
Wind: 8 mph
4 PM
Cloudy Weather
73°
Feels Like 73°
6
Humidity: 70%
UV Index: 1
Wind: 8 mph
5 PM
Cloudy Weather
73°
Feels Like 72°
6
Humidity: 72%
UV Index: 1
Wind: 8 mph
6 PM
Cloudy Weather
72°
Feels Like 70°
6
Humidity: 75%
UV Index: 1
Wind: 8 mph
7 PM
Cloudy Weather
70°
Feels Like 68°
4
Humidity: 78%
UV Index: 0
Wind: 8 mph
8 PM
Cloudy Weather
66°
Feels Like 64°
0
Humidity: 87%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Weather
64°
Feels Like 63°
0
Humidity: 90%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Weather
64°
Feels Like 63°
0
Humidity: 91%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Weather
63°
Feels Like 63°
0
Humidity: 92%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

2 PM
25 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.75 µg/m³
  • PM10: 2.84 µg/m³
  • O3: 0.027 ppm
  • NO2: 0.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

3 PM
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.76 µg/m³
  • PM10: 2.84 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

4 PM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.23 µg/m³
  • PM10: 3.31 µg/m³
  • O3: 0.030 ppm
  • NO2: 0.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

5 PM
29 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.08 µg/m³
  • PM10: 4.16 µg/m³
  • O3: 0.032 ppm
  • NO2: 0.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 PM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.87 µg/m³
  • PM10: 4.97 µg/m³
  • O3: 0.032 ppm
  • NO2: 0.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 PM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.25 µg/m³
  • PM10: 5.37 µg/m³
  • O3: 0.032 ppm
  • NO2: 1.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM
29 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.3 µg/m³
  • PM10: 5.45 µg/m³
  • O3: 0.032 ppm
  • NO2: 1.4 ppb
  • SO2: 0.5 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM
29 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.26 µg/m³
  • PM10: 5.45 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.5 ppb
  • SO2: 0.6 ppb
  • CO: 0.17 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.07 µg/m³
  • PM10: 5.3 µg/m³
  • O3: 0.030 ppm
  • NO2: 1.8 ppb
  • SO2: 0.6 ppb
  • CO: 0.17 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
26 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.66 µg/m³
  • PM10: 4.93 µg/m³
  • O3: 0.028 ppm
  • NO2: 2 ppb
  • SO2: 0.6 ppb
  • CO: 0.17 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.