Hourly Weather | Today Tuesday, April 7, 2026
Milwaukee, Wisconsin
8 AM
Cloudy Weather
27°
Feels Like 21°
0
Humidity: 61%
UV Index: 1
Wind: 8 mph
9 AM
Cloudy Weather
28°
Feels Like 28°
0
Humidity: 56%
UV Index: 2
Wind: 7 mph
10 AM
Cloudy Weather
30°
Feels Like 32°
0
Humidity: 52%
UV Index: 3
Wind: 7 mph
11 AM
Cloudy Weather
32°
Feels Like 36°
0
Humidity: 50%
UV Index: 4
Wind: 7 mph
12 PM
Cloudy Weather
34°
Feels Like 36°
0
Humidity: 50%
UV Index: 5
Wind: 8 mph
1 PM
Cloudy Weather
34°
Feels Like 36°
0
Humidity: 49%
UV Index: 6
Wind: 9 mph
2 PM
Cloudy Weather
34°
Feels Like 34°
0
Humidity: 49%
UV Index: 5
Wind: 9 mph
3 PM
Cloudy Weather
36°
Feels Like 34°
0
Humidity: 48%
UV Index: 4
Wind: 9 mph
4 PM
Cloudy Weather
34°
Feels Like 30°
0
Humidity: 50%
UV Index: 3
Wind: 10 mph
5 PM
Cloudy Weather
34°
Feels Like 28°
0
Humidity: 51%
UV Index: 2
Wind: 9 mph
6 PM
Cloudy Weather
34°
Feels Like 28°
0
Humidity: 53%
UV Index: 1
Wind: 9 mph
7 PM
Cloudy Weather
32°
Feels Like 25°
0
Humidity: 56%
UV Index: 0
Wind: 9 mph
8 PM
Cloudy Night
30°
Feels Like 25°
0
Humidity: 61%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Night
32°
Feels Like 25°
0
Humidity: 61%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Night
32°
Feels Like 25°
0
Humidity: 64%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Night
34°
Feels Like 25°
1
Humidity: 65%
UV Index: 0
Wind: 9 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 0.83 µg/m³
  • PM10: 1.6 µg/m³
  • O3: 0.045 ppm
  • NO2: 2.7 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.94 µg/m³
  • PM10: 1.77 µg/m³
  • O3: 0.045 ppm
  • NO2: 2.9 ppb
  • SO2: 0.7 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.17 µg/m³
  • PM10: 2.04 µg/m³
  • O3: 0.046 ppm
  • NO2: 2.7 ppb
  • SO2: 0.7 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.47 µg/m³
  • PM10: 2.26 µg/m³
  • O3: 0.049 ppm
  • NO2: 2.2 ppb
  • SO2: 0.8 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.24 µg/m³
  • PM10: 3.01 µg/m³
  • O3: 0.051 ppm
  • NO2: 2 ppb
  • SO2: 0.8 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.62 µg/m³
  • PM10: 4.42 µg/m³
  • O3: 0.053 ppm
  • NO2: 2 ppb
  • SO2: 0.9 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

2 PM
58 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.55 µg/m³
  • PM10: 6.43 µg/m³
  • O3: 0.057 ppm
  • NO2: 1.9 ppb
  • SO2: 0.9 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

3 PM
66 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.47 µg/m³
  • PM10: 8.44 µg/m³
  • O3: 0.059 ppm
  • NO2: 1.9 ppb
  • SO2: 1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

4 PM
72 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 8.74 µg/m³
  • PM10: 9.8 µg/m³
  • O3: 0.061 ppm
  • NO2: 2.1 ppb
  • SO2: 1.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

5 PM
75 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 9.61 µg/m³
  • PM10: 10.8 µg/m³
  • O3: 0.062 ppm
  • NO2: 2.7 ppb
  • SO2: 1.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

6 PM
69 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 10.07 µg/m³
  • PM10: 11.49 µg/m³
  • O3: 0.060 ppm
  • NO2: 4.3 ppb
  • SO2: 1.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

7 PM
58 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 9.56 µg/m³
  • PM10: 11.24 µg/m³
  • O3: 0.057 ppm
  • NO2: 6.4 ppb
  • SO2: 1.5 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.

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

Pollutant Concentrations:

  • PM2.5: 8.75 µg/m³
  • PM10: 10.77 µg/m³
  • O3: 0.052 ppm
  • NO2: 8.3 ppb
  • SO2: 1.7 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.52 µg/m³
  • PM10: 10.97 µg/m³
  • O3: 0.047 ppm
  • NO2: 9.9 ppb
  • SO2: 1.9 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.63 µg/m³
  • PM10: 11.5 µg/m³
  • O3: 0.044 ppm
  • NO2: 11 ppb
  • SO2: 2.3 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.77 µg/m³
  • PM10: 11.89 µg/m³
  • O3: 0.040 ppm
  • NO2: 11.4 ppb
  • SO2: 2.7 ppb
  • CO: 0.20 ppm

Health Recommendations:

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