Hourly Weather | Today › Tuesday, November 3, 2026
Sioux City, Iowa
3 AM
Rainy Weather
57°
Feels Like 50°
74
Humidity: 87%
UV Index: 0
Wind: 12 mph
4 AM
Rainy Weather
57°
Feels Like 48°
70
Humidity: 86%
UV Index: 0
Wind: 13 mph
5 AM
Cloudy Weather
55°
Feels Like 50°
49
Humidity: 86%
UV Index: 0
Wind: 14 mph
6 AM
Cloudy Weather
55°
Feels Like 48°
49
Humidity: 87%
UV Index: 0
Wind: 14 mph
7 AM
Cloudy Weather
55°
Feels Like 48°
49
Humidity: 86%
UV Index: 0
Wind: 15 mph
8 AM
Rainy Weather
55°
Feels Like 46°
68
Humidity: 83%
UV Index: 0
Wind: 15 mph
9 AM
Rainy Weather
55°
Feels Like 45°
73
Humidity: 82%
UV Index: 0
Wind: 16 mph
10 AM
Rainy Weather
55°
Feels Like 45°
69
Humidity: 82%
UV Index: 0
Wind: 16 mph
11 AM
Rainy Weather
55°
Feels Like 45°
69
Humidity: 82%
UV Index: 1
Wind: 16 mph
12 PM
Cloudy Weather
54°
Feels Like 46°
49
Humidity: 82%
UV Index: 1
Wind: 16 mph
1 PM
Cloudy Weather
54°
Feels Like 46°
49
Humidity: 81%
UV Index: 1
Wind: 16 mph
2 PM
Rainy Weather
54°
Feels Like 43°
68
Humidity: 80%
UV Index: 0
Wind: 16 mph
3 PM
Rainy Weather
54°
Feels Like 41°
73
Humidity: 80%
UV Index: 0
Wind: 16 mph
4 PM
Rainy Weather
54°
Feels Like 43°
69
Humidity: 80%
UV Index: 0
Wind: 16 mph
5 PM
Rainy Weather
52°
Feels Like 41°
69
Humidity: 79%
UV Index: 0
Wind: 15 mph
6 PM
Cloudy Weather
52°
Feels Like 43°
49
Humidity: 82%
UV Index: 0
Wind: 15 mph
7 PM
Cloudy Weather
50°
Feels Like 43°
44
Humidity: 82%
UV Index: 0
Wind: 16 mph
8 PM
Cloudy Weather
50°
Feels Like 43°
48
Humidity: 81%
UV Index: 0
Wind: 16 mph
9 PM
Rainy Weather
50°
Feels Like 37°
52
Humidity: 81%
UV Index: 0
Wind: 15 mph
10 PM
Cloudy Weather
50°
Feels Like 41°
44
Humidity: 81%
UV Index: 0
Wind: 15 mph
11 PM
Rainy Weather
48°
Feels Like 37°
52
Humidity: 82%
UV Index: 0
Wind: 15 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 1.44 µg/m³
  • PM10: 1.45 µg/m³
  • O3: 0.027 ppm
  • NO2: 0.7 ppb
  • SO2: 0 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.71 µg/m³
  • PM10: 1.72 µg/m³
  • O3: 0.028 ppm
  • NO2: 0.7 ppb
  • SO2: 0 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.68 µg/m³
  • PM10: 1.69 µg/m³
  • O3: 0.028 ppm
  • NO2: 0.6 ppb
  • SO2: 0 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.42 µg/m³
  • PM10: 1.43 µg/m³
  • O3: 0.028 ppm
  • NO2: 0.6 ppb
  • SO2: 0 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.09 µg/m³
  • PM10: 1.1 µg/m³
  • O3: 0.026 ppm
  • NO2: 0.7 ppb
  • SO2: 0 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.81 µg/m³
  • PM10: 0.82 µg/m³
  • O3: 0.023 ppm
  • NO2: 0.8 ppb
  • SO2: 0 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.54 µg/m³
  • PM10: 0.56 µg/m³
  • O3: 0.022 ppm
  • NO2: 0.8 ppb
  • SO2: 0 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.5 µg/m³
  • O3: 0.023 ppm
  • NO2: 0.7 ppb
  • SO2: 0 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.5 µg/m³
  • O3: 0.026 ppm
  • NO2: 0.7 ppb
  • SO2: 0 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.5 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.6 ppb
  • SO2: 0 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.52 µg/m³
  • O3: 0.032 ppm
  • NO2: 0.6 ppb
  • SO2: 0 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.81 µg/m³
  • PM10: 0.83 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.6 ppb
  • SO2: 0 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.04 µg/m³
  • PM10: 1.05 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.6 ppb
  • SO2: 0 ppb
  • CO: 0.14 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: 1.19 µg/m³
  • PM10: 1.21 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.6 ppb
  • SO2: 0 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.32 µg/m³
  • PM10: 1.34 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.7 ppb
  • SO2: 0 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.42 µg/m³
  • PM10: 1.45 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.7 ppb
  • SO2: 0 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.55 µg/m³
  • PM10: 1.61 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.7 ppb
  • SO2: 0 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.67 µg/m³
  • PM10: 1.78 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.73 µg/m³
  • PM10: 1.88 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.72 µg/m³
  • PM10: 1.88 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.6 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 PM
39 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.73 µg/m³
  • PM10: 1.89 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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