Hourly Weather | Today Tuesday, July 21, 2026
Des Moines, Iowa
5 AM
Cloudy Night
72°
Feels Like 72°
40
Humidity: 90%
UV Index: 0
Wind: 7 mph
6 AM
Cloudy Weather
70°
Feels Like 70°
34
Humidity: 88%
UV Index: 0
Wind: 8 mph
7 AM
Cloudy Weather
70°
Feels Like 70°
22
Humidity: 86%
UV Index: 1
Wind: 9 mph
8 AM
Sunny Weather
72°
Feels Like 72°
0
Humidity: 81%
UV Index: 2
Wind: 12 mph
9 AM
Sunny Weather
73°
Feels Like 75°
0
Humidity: 73%
UV Index: 3
Wind: 14 mph
10 AM
Cloudy Weather
75°
Feels Like 77°
0
Humidity: 66%
UV Index: 5
Wind: 15 mph
11 AM
Cloudy Weather
77°
Feels Like 81°
0
Humidity: 63%
UV Index: 7
Wind: 15 mph
12 PM
Cloudy Weather
79°
Feels Like 82°
0
Humidity: 60%
UV Index: 9
Wind: 16 mph
1 PM
Cloudy Weather
79°
Feels Like 82°
0
Humidity: 58%
UV Index: 10
Wind: 15 mph
2 PM
Cloudy Weather
81°
Feels Like 82°
0
Humidity: 55%
UV Index: 9
Wind: 16 mph
3 PM
Cloudy Weather
81°
Feels Like 82°
0
Humidity: 51%
UV Index: 7
Wind: 15 mph
4 PM
Cloudy Weather
81°
Feels Like 82°
0
Humidity: 49%
UV Index: 5
Wind: 15 mph
5 PM
Cloudy Weather
82°
Feels Like 82°
0
Humidity: 45%
UV Index: 3
Wind: 15 mph
6 PM
Cloudy Weather
81°
Feels Like 79°
0
Humidity: 47%
UV Index: 2
Wind: 14 mph
7 PM
Cloudy Weather
79°
Feels Like 75°
0
Humidity: 48%
UV Index: 1
Wind: 12 mph
8 PM
Cloudy Weather
75°
Feels Like 73°
0
Humidity: 52%
UV Index: 0
Wind: 10 mph
9 PM
Cloudy Night
73°
Feels Like 72°
0
Humidity: 57%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Night
72°
Feels Like 70°
0
Humidity: 60%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
70°
Feels Like 68°
0
Humidity: 63%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 3.24 µg/m³
  • PM10: 3.5 µg/m³
  • O3: 0.020 ppm
  • NO2: 1 ppb
  • SO2: 0.3 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: 3.83 µg/m³
  • PM10: 4.07 µg/m³
  • O3: 0.021 ppm
  • NO2: 1 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.79 µg/m³
  • PM10: 4.99 µg/m³
  • O3: 0.023 ppm
  • NO2: 1.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

8 AM
25 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.95 µg/m³
  • PM10: 6.12 µg/m³
  • O3: 0.025 ppm
  • NO2: 1.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

9 AM
30 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.13 µg/m³
  • PM10: 7.28 µg/m³
  • O3: 0.026 ppm
  • NO2: 1.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

10 AM
34 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.1 µg/m³
  • PM10: 8.25 µg/m³
  • O3: 0.028 ppm
  • NO2: 1.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.13 µg/m³
  • PM10: 6.23 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.01 µg/m³
  • PM10: 5.09 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.69 µg/m³
  • PM10: 4.76 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.18 µg/m³
  • PM10: 4.25 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.55 µg/m³
  • PM10: 3.61 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.18 µg/m³
  • PM10: 3.24 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.9 µg/m³
  • PM10: 2.96 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.68 µg/m³
  • PM10: 2.74 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.45 µg/m³
  • PM10: 2.5 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.24 µg/m³
  • PM10: 2.29 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.5 ppb
  • SO2: 0 ppb
  • CO: 0.12 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: 2.14 µg/m³
  • PM10: 2.2 µg/m³
  • O3: 0.031 ppm
  • NO2: 0.7 ppb
  • SO2: 0 ppb
  • CO: 0.12 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: 2.1 µg/m³
  • PM10: 2.17 µg/m³
  • O3: 0.030 ppm
  • NO2: 0.8 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.09 µg/m³
  • PM10: 2.16 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.9 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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