Hourly Weather | Today Wednesday, August 12, 2026
Milwaukee, Wisconsin
8 AM
Foggy Weather
68°
Feels Like 70°
34
Humidity: 100%
UV Index: 1
Wind: 5 mph
9 AM
Foggy Weather
72°
Feels Like 73°
34
Humidity: 96%
UV Index: 1
Wind: 6 mph
10 AM
Foggy Weather
73°
Feels Like 77°
37
Humidity: 90%
UV Index: 2
Wind: 6 mph
11 AM
Foggy Weather
75°
Feels Like 81°
47
Humidity: 83%
UV Index: 2
Wind: 6 mph
12 PM
Sunny with a Chance of Thunderstorms
75°
Feels Like 81°
51
Humidity: 81%
UV Index: 3
Wind: 6 mph
1 PM
Foggy Weather
77°
Feels Like 84°
43
Humidity: 79%
UV Index: 4
Wind: 7 mph
2 PM
Sunny with a Chance of Thunderstorms
79°
Feels Like 81°
51
Humidity: 77%
UV Index: 3
Wind: 7 mph
3 PM
Cloudy Weather
79°
Feels Like 84°
47
Humidity: 73%
UV Index: 2
Wind: 7 mph
4 PM
Cloudy Weather
79°
Feels Like 82°
40
Humidity: 76%
UV Index: 2
Wind: 7 mph
5 PM
Cloudy Weather
77°
Feels Like 82°
34
Humidity: 76%
UV Index: 3
Wind: 7 mph
6 PM
Cloudy Weather
75°
Feels Like 81°
34
Humidity: 79%
UV Index: 2
Wind: 7 mph
7 PM
Cloudy Weather
75°
Feels Like 79°
22
Humidity: 82%
UV Index: 1
Wind: 7 mph
8 PM
Cloudy Night
73°
Feels Like 75°
0
Humidity: 83%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
73°
Feels Like 75°
0
Humidity: 86%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
72°
Feels Like 73°
0
Humidity: 88%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
72°
Feels Like 72°
0
Humidity: 90%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 12.06 µg/m³
  • PM10: 12.84 µg/m³
  • O3: 0.009 ppm
  • NO2: 6.4 ppb
  • SO2: 0.8 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.44 µg/m³
  • PM10: 12.25 µg/m³
  • O3: 0.010 ppm
  • NO2: 6 ppb
  • SO2: 0.7 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.9 µg/m³
  • PM10: 11.71 µg/m³
  • O3: 0.011 ppm
  • NO2: 5.2 ppb
  • SO2: 0.7 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

11 AM
40 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.68 µg/m³
  • PM10: 10.28 µg/m³
  • O3: 0.025 ppm
  • NO2: 3.8 ppb
  • SO2: 0.7 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.11 µg/m³
  • PM10: 9.66 µg/m³
  • O3: 0.029 ppm
  • NO2: 3.2 ppb
  • SO2: 0.7 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.91 µg/m³
  • PM10: 9.46 µg/m³
  • O3: 0.029 ppm
  • NO2: 3.1 ppb
  • SO2: 0.7 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.17 µg/m³
  • PM10: 8.63 µg/m³
  • O3: 0.032 ppm
  • NO2: 2.6 ppb
  • SO2: 0.5 ppb
  • CO: 0.12 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: 7.37 µg/m³
  • PM10: 7.76 µg/m³
  • O3: 0.034 ppm
  • NO2: 2.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.1 µg/m³
  • PM10: 7.48 µg/m³
  • O3: 0.034 ppm
  • NO2: 2.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.37 µg/m³
  • PM10: 7.78 µg/m³
  • O3: 0.034 ppm
  • NO2: 2.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.56 µg/m³
  • PM10: 9.1 µg/m³
  • O3: 0.033 ppm
  • NO2: 3.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.65 µg/m³
  • PM10: 11.41 µg/m³
  • O3: 0.032 ppm
  • NO2: 5.2 ppb
  • SO2: 0.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

8 PM
54 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.83 µg/m³
  • PM10: 14.89 µg/m³
  • O3: 0.028 ppm
  • NO2: 7.2 ppb
  • SO2: 0.8 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

9 PM
61 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 17.27 µg/m³
  • PM10: 18.65 µg/m³
  • O3: 0.023 ppm
  • NO2: 8.3 ppb
  • SO2: 0.9 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

10 PM
68 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 20.62 µg/m³
  • PM10: 22.33 µg/m³
  • O3: 0.021 ppm
  • NO2: 8.8 ppb
  • SO2: 0.9 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

11 PM
75 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 23.79 µg/m³
  • PM10: 25.71 µg/m³
  • O3: 0.020 ppm
  • NO2: 9 ppb
  • SO2: 1 ppb
  • CO: 0.22 ppm

Health Recommendations:

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