Hourly Weather | Today Wednesday, December 24, 2025
Waukesha, Wisconsin
2 PM
Cloudy Weather
37°
Feels Like 36°
15
Humidity: 74%
Wind: 7 mph
UV Index: 1
3 PM
Cloudy Weather
37°
Feels Like 36°
20
Humidity: 77%
Wind: 6 mph
UV Index: 0
4 PM
Cloudy Weather
36°
Feels Like 34°
36
Humidity: 81%
Wind: 6 mph
UV Index: 0
5 PM
Rainy Weather
36°
Feels Like 32°
40
Humidity: 86%
Wind: 6 mph
UV Index: 0
6 PM
Rainy Weather
34°
Feels Like 30°
40
Humidity: 90%
Wind: 6 mph
UV Index: 0
7 PM
Icy Road Conditions
32°
Feels Like 28°
45
Humidity: 100%
Wind: 5 mph
UV Index: 0
8 PM
Icy Road Conditions
30°
Feels Like 30°
45
Humidity: 100%
Wind: 4 mph
UV Index: 0
9 PM
Cloudy Weather
30°
Feels Like 30°
40
Humidity: 100%
Wind: 4 mph
UV Index: 0
10 PM
Cloudy Weather
30°
Feels Like 30°
32
Humidity: 100%
Wind: 5 mph
UV Index: 0
11 PM
Cloudy Weather
30°
Feels Like 28°
32
Humidity: 100%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 11.21 µg/m³
  • PM10: 13.73 µg/m³
  • O3: 0.016 ppm
  • NO2: 14 ppb
  • SO2: 1.4 ppb
  • CO: 0.25 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.16 µg/m³
  • PM10: 13.27 µg/m³
  • O3: 0.016 ppm
  • NO2: 13.4 ppb
  • SO2: 1.1 ppb
  • CO: 0.25 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.42 µg/m³
  • PM10: 13.19 µg/m³
  • O3: 0.015 ppm
  • NO2: 13.5 ppb
  • SO2: 0.8 ppb
  • CO: 0.26 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.68 µg/m³
  • PM10: 13.25 µg/m³
  • O3: 0.013 ppm
  • NO2: 14.2 ppb
  • SO2: 0.6 ppb
  • CO: 0.27 ppm

Health Recommendations:

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

6 PM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.28 µg/m³
  • PM10: 13.75 µg/m³
  • O3: 0.011 ppm
  • NO2: 15.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.29 ppm

Health Recommendations:

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

7 PM
52 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.05 µg/m³
  • PM10: 14.52 µg/m³
  • O3: 0.009 ppm
  • NO2: 16.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.30 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 14.21 µg/m³
  • PM10: 15.74 µg/m³
  • O3: 0.006 ppm
  • NO2: 17.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.32 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 15.24 µg/m³
  • PM10: 16.84 µg/m³
  • O3: 0.004 ppm
  • NO2: 18.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.34 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 16.12 µg/m³
  • PM10: 17.81 µg/m³
  • O3: 0.003 ppm
  • NO2: 18.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.35 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 16.73 µg/m³
  • PM10: 18.46 µg/m³
  • O3: 0.002 ppm
  • NO2: 18.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.36 ppm

Health Recommendations:

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