Hourly Weather | Today Wednesday, March 18, 2026
Des Moines, Iowa
5 PM
Cloudy Weather
57°
Feels Like 59°
0
Humidity: 50%
UV Index: 2
Wind: 8 mph
6 PM
Cloudy Weather
57°
Feels Like 55°
0
Humidity: 51%
UV Index: 1
Wind: 7 mph
7 PM
Cloudy Weather
57°
Feels Like 54°
0
Humidity: 50%
UV Index: 0
Wind: 7 mph
8 PM
Cloudy Night
55°
Feels Like 54°
0
Humidity: 49%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
54°
Feels Like 52°
0
Humidity: 53%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
52°
Feels Like 48°
0
Humidity: 56%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
48°
Feels Like 46°
0
Humidity: 59%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

5 PM
46 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.95 µg/m³
  • PM10: 12.28 µg/m³
  • O3: 0.048 ppm
  • NO2: 1.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.59 µg/m³
  • PM10: 10.91 µg/m³
  • O3: 0.046 ppm
  • NO2: 1.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.23 µg/m³
  • PM10: 9.52 µg/m³
  • O3: 0.042 ppm
  • NO2: 2.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.38 µg/m³
  • PM10: 8.64 µg/m³
  • O3: 0.038 ppm
  • NO2: 3.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.24 µg/m³
  • PM10: 8.48 µg/m³
  • O3: 0.036 ppm
  • NO2: 3.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.14 µg/m³
  • PM10: 8.37 µg/m³
  • O3: 0.035 ppm
  • NO2: 3.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.95 µg/m³
  • PM10: 8.17 µg/m³
  • O3: 0.033 ppm
  • NO2: 3.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.18 ppm

Health Recommendations:

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