Hourly Weather | Today Wednesday, March 18, 2026
Eau Claire, Wisconsin
11 AM
Cloudy Weather
27°
Feels Like 23°
0
Humidity: 81%
UV Index: 1
Wind: 8 mph
12 PM
Cloudy Weather
30°
Feels Like 27°
0
Humidity: 76%
UV Index: 2
Wind: 8 mph
1 PM
Cloudy Weather
34°
Feels Like 30°
2
Humidity: 73%
UV Index: 2
Wind: 8 mph
2 PM
Cloudy Weather
36°
Feels Like 32°
7
Humidity: 69%
UV Index: 2
Wind: 8 mph
3 PM
Cloudy Weather
36°
Feels Like 34°
7
Humidity: 67%
UV Index: 1
Wind: 7 mph
4 PM
Cloudy Weather
37°
Feels Like 34°
7
Humidity: 65%
UV Index: 1
Wind: 7 mph
5 PM
Cloudy Weather
39°
Feels Like 36°
7
Humidity: 64%
UV Index: 0
Wind: 7 mph
6 PM
Cloudy Weather
37°
Feels Like 34°
7
Humidity: 71%
UV Index: 0
Wind: 6 mph
7 PM
Cloudy Weather
37°
Feels Like 34°
10
Humidity: 77%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Weather
37°
Feels Like 36°
43
Humidity: 72%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Weather
37°
Feels Like 36°
47
Humidity: 75%
UV Index: 0
Wind: 5 mph
10 PM
Rainy Weather
36°
Feels Like 34°
51
Humidity: 76%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Weather
36°
Feels Like 36°
47
Humidity: 75%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 6.12 µg/m³
  • PM10: 6.83 µg/m³
  • O3: 0.045 ppm
  • NO2: 1.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.29 µg/m³
  • PM10: 9.12 µg/m³
  • O3: 0.045 ppm
  • NO2: 1.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.63 µg/m³
  • PM10: 12.57 µg/m³
  • O3: 0.048 ppm
  • NO2: 1.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 15.66 µg/m³
  • PM10: 16.73 µg/m³
  • O3: 0.051 ppm
  • NO2: 1.1 ppb
  • SO2: 0.2 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.

3 PM
65 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 18.99 µg/m³
  • PM10: 20.14 µg/m³
  • O3: 0.055 ppm
  • NO2: 1.1 ppb
  • SO2: 0.1 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.

4 PM
70 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 21.16 µg/m³
  • PM10: 22.38 µg/m³
  • O3: 0.057 ppm
  • NO2: 1.1 ppb
  • SO2: 0.1 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.

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

Pollutant Concentrations:

  • PM2.5: 22.52 µg/m³
  • PM10: 23.81 µg/m³
  • O3: 0.057 ppm
  • NO2: 1.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 22.74 µg/m³
  • PM10: 24.11 µg/m³
  • O3: 0.054 ppm
  • NO2: 2.5 ppb
  • SO2: 0.1 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.

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

Pollutant Concentrations:

  • PM2.5: 22.44 µg/m³
  • PM10: 23.88 µg/m³
  • O3: 0.050 ppm
  • NO2: 3.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 21.82 µg/m³
  • PM10: 23.32 µg/m³
  • O3: 0.046 ppm
  • NO2: 4.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 21.24 µg/m³
  • PM10: 22.76 µg/m³
  • O3: 0.043 ppm
  • NO2: 4.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 20.7 µg/m³
  • PM10: 22.21 µg/m³
  • O3: 0.041 ppm
  • NO2: 4.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 20.25 µg/m³
  • PM10: 21.74 µg/m³
  • O3: 0.039 ppm
  • NO2: 3.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.20 ppm

Health Recommendations:

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