Hourly Weather | Today Monday, September 21, 2026
West Des Moines, Iowa
2 PM
Rainy Weather
61°
Feels Like 57°
63
Humidity: 84%
UV Index: 1
Wind: 8 mph
3 PM
Cloudy Weather
61°
Feels Like 61°
49
Humidity: 85%
UV Index: 1
Wind: 8 mph
4 PM
Cloudy Weather
61°
Feels Like 59°
49
Humidity: 86%
UV Index: 1
Wind: 8 mph
5 PM
Rainy Weather
61°
Feels Like 55°
75
Humidity: 87%
UV Index: 0
Wind: 8 mph
6 PM
Cloudy Weather
61°
Feels Like 57°
49
Humidity: 88%
UV Index: 0
Wind: 8 mph
7 PM
Rainy Weather
59°
Feels Like 54°
75
Humidity: 88%
UV Index: 0
Wind: 8 mph
8 PM
Cloudy Weather
59°
Feels Like 55°
40
Humidity: 88%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Weather
59°
Feels Like 55°
34
Humidity: 88%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Weather
57°
Feels Like 55°
40
Humidity: 90%
UV Index: 0
Wind: 8 mph
11 PM
Rainy Weather
57°
Feels Like 52°
58
Humidity: 90%
UV Index: 0
Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 2.12 µg/m³
  • PM10: 2.18 µg/m³
  • O3: 0.026 ppm
  • NO2: 1 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.05 µg/m³
  • PM10: 2.1 µg/m³
  • O3: 0.027 ppm
  • NO2: 0.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.94 µg/m³
  • PM10: 1.99 µg/m³
  • O3: 0.028 ppm
  • NO2: 0.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.81 µg/m³
  • PM10: 1.86 µg/m³
  • O3: 0.028 ppm
  • NO2: 0.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.76 µg/m³
  • PM10: 1.81 µg/m³
  • O3: 0.027 ppm
  • NO2: 1.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.72 µg/m³
  • PM10: 1.77 µg/m³
  • O3: 0.026 ppm
  • NO2: 1.3 ppb
  • SO2: 0 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.67 µg/m³
  • PM10: 1.72 µg/m³
  • O3: 0.024 ppm
  • NO2: 1.5 ppb
  • SO2: 0 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.66 µg/m³
  • PM10: 1.71 µg/m³
  • O3: 0.023 ppm
  • NO2: 1.6 ppb
  • SO2: 0 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.66 µg/m³
  • PM10: 1.71 µg/m³
  • O3: 0.021 ppm
  • NO2: 1.7 ppb
  • SO2: 0 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.64 µg/m³
  • PM10: 1.69 µg/m³
  • O3: 0.020 ppm
  • NO2: 1.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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