Hourly Weather | Today Tuesday, July 21, 2026
Olathe, Kansas
4 AM
Cloudy Night
81°
Feels Like 88°
0
Humidity: 79%
UV Index: 0
Wind: 7 mph
5 AM
Cloudy Night
81°
Feels Like 86°
0
Humidity: 80%
UV Index: 0
Wind: 6 mph
6 AM
Cloudy Night
79°
Feels Like 84°
0
Humidity: 83%
UV Index: 0
Wind: 6 mph
7 AM
Cloudy Weather
79°
Feels Like 86°
0
Humidity: 80%
UV Index: 1
Wind: 6 mph
8 AM
Cloudy Weather
81°
Feels Like 86°
0
Humidity: 74%
UV Index: 2
Wind: 7 mph
9 AM
Cloudy Weather
82°
Feels Like 90°
0
Humidity: 64%
UV Index: 3
Wind: 8 mph
10 AM
Cloudy Weather
84°
Feels Like 91°
0
Humidity: 57%
UV Index: 5
Wind: 8 mph
11 AM
Cloudy Weather
86°
Feels Like 93°
0
Humidity: 52%
UV Index: 7
Wind: 9 mph
12 PM
Cloudy Weather
88°
Feels Like 95°
0
Humidity: 48%
UV Index: 10
Wind: 9 mph
1 PM
Cloudy Weather
90°
Feels Like 97°
0
Humidity: 44%
UV Index: 11
Wind: 9 mph
2 PM
Cloudy Weather
91°
Feels Like 97°
0
Humidity: 41%
UV Index: 10
Wind: 10 mph
3 PM
Cloudy Weather
91°
Feels Like 95°
0
Humidity: 39%
UV Index: 7
Wind: 10 mph
4 PM
Cloudy Weather
93°
Feels Like 95°
0
Humidity: 35%
UV Index: 5
Wind: 10 mph
5 PM
Cloudy Weather
91°
Feels Like 91°
0
Humidity: 37%
UV Index: 3
Wind: 10 mph
6 PM
Cloudy Weather
90°
Feels Like 90°
0
Humidity: 38%
UV Index: 2
Wind: 9 mph
7 PM
Cloudy Weather
88°
Feels Like 86°
0
Humidity: 41%
UV Index: 1
Wind: 9 mph
8 PM
Cloudy Weather
84°
Feels Like 82°
0
Humidity: 45%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Night
82°
Feels Like 81°
0
Humidity: 51%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Night
81°
Feels Like 79°
0
Humidity: 56%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
79°
Feels Like 75°
0
Humidity: 60%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

4 AM
23 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.43 µg/m³
  • PM10: 2.95 µg/m³
  • O3: 0.025 ppm
  • NO2: 1.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

5 AM
22 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.3 µg/m³
  • PM10: 2.84 µg/m³
  • O3: 0.024 ppm
  • NO2: 1.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

6 AM
20 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.2 µg/m³
  • PM10: 2.74 µg/m³
  • O3: 0.022 ppm
  • NO2: 1.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

7 AM
18 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.13 µg/m³
  • PM10: 2.68 µg/m³
  • O3: 0.020 ppm
  • NO2: 1.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

8 AM
17 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.11 µg/m³
  • PM10: 2.68 µg/m³
  • O3: 0.019 ppm
  • NO2: 1.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

9 AM
18 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.18 µg/m³
  • PM10: 2.85 µg/m³
  • O3: 0.020 ppm
  • NO2: 1.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

10 AM
22 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.53 µg/m³
  • PM10: 3.32 µg/m³
  • O3: 0.024 ppm
  • NO2: 1.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

11 AM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.41 µg/m³
  • PM10: 4.34 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

12 PM
35 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.64 µg/m³
  • PM10: 5.53 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

1 PM
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.98 µg/m³
  • PM10: 6.74 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.4 ppb
  • SO2: 0.6 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.8 µg/m³
  • PM10: 6.36 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.3 ppb
  • SO2: 0.6 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.76 µg/m³
  • PM10: 6.18 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.3 ppb
  • SO2: 0.6 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.2 µg/m³
  • PM10: 6.53 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.3 ppb
  • SO2: 0.5 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

5 PM
56 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.85 µg/m³
  • PM10: 7.12 µg/m³
  • O3: 0.056 ppm
  • NO2: 0.4 ppb
  • SO2: 0.5 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

6 PM
57 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.63 µg/m³
  • PM10: 7.88 µg/m³
  • O3: 0.056 ppm
  • NO2: 0.5 ppb
  • SO2: 0.6 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

7 PM
54 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 8.38 µg/m³
  • PM10: 8.62 µg/m³
  • O3: 0.055 ppm
  • NO2: 0.7 ppb
  • SO2: 0.6 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

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

Pollutant Concentrations:

  • PM2.5: 8.94 µg/m³
  • PM10: 9.18 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.9 ppb
  • SO2: 0.7 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.24 µg/m³
  • PM10: 9.46 µg/m³
  • O3: 0.050 ppm
  • NO2: 1.2 ppb
  • SO2: 0.9 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.08 µg/m³
  • PM10: 9.29 µg/m³
  • O3: 0.047 ppm
  • NO2: 1.3 ppb
  • SO2: 1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.38 µg/m³
  • PM10: 8.56 µg/m³
  • O3: 0.044 ppm
  • NO2: 1.4 ppb
  • SO2: 1.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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