Hourly Weather | Today Thursday, February 26, 2026
Eau Claire, Wisconsin
2 AM
Cloudy Night
12°
Feels Like 10°
0
Frost Risk: 100%
Humidity: 75%
UV Index: 0
Wind: 5 mph
3 AM
Cloudy Night
12°
Feels Like 12°
0
Frost Risk: 100%
Humidity: 74%
UV Index: 0
Wind: 5 mph
4 AM
Cloudy Night
10°
Feels Like 10°
0
Frost Risk: 100%
Humidity: 78%
UV Index: 0
Wind: 5 mph
5 AM
Cloudy Night
12°
Feels Like 10°
0
Frost Risk: 100%
Humidity: 77%
UV Index: 0
Wind: 5 mph
6 AM
Cloudy Weather
14°
Feels Like 10°
0
Frost Risk: 100%
Humidity: 75%
UV Index: 0
Wind: 5 mph
7 AM
Cloudy Weather
16°
Feels Like 12°
0
Frost Risk: 100%
Humidity: 74%
UV Index: 0
Wind: 6 mph
8 AM
Cloudy Weather
18°
Feels Like 14°
0
Frost Risk: 100%
Humidity: 71%
UV Index: 0
Wind: 7 mph
9 AM
Cloudy Weather
23°
Feels Like 18°
0
Frost Risk: 51%
Humidity: 67%
UV Index: 1
Wind: 8 mph
10 AM
Cloudy Weather
27°
Feels Like 21°
0
Humidity: 64%
UV Index: 1
Wind: 8 mph
11 AM
Cloudy Weather
30°
Feels Like 23°
0
Humidity: 63%
UV Index: 1
Wind: 10 mph
12 PM
Cloudy Weather
34°
Feels Like 27°
0
Humidity: 62%
UV Index: 1
Wind: 10 mph
1 PM
Cloudy Weather
36°
Feels Like 28°
0
Humidity: 61%
UV Index: 1
Wind: 12 mph
2 PM
Cloudy Weather
39°
Feels Like 32°
0
Humidity: 59%
UV Index: 1
Wind: 10 mph
3 PM
Cloudy Weather
41°
Feels Like 34°
0
Humidity: 57%
UV Index: 1
Wind: 10 mph
4 PM
Cloudy Weather
39°
Feels Like 34°
0
Humidity: 60%
UV Index: 1
Wind: 9 mph
5 PM
Cloudy Weather
37°
Feels Like 34°
0
Humidity: 63%
UV Index: 0
Wind: 8 mph
6 PM
Cloudy Night
36°
Feels Like 32°
0
Humidity: 67%
UV Index: 0
Wind: 6 mph
7 PM
Cloudy Night
34°
Feels Like 30°
0
Humidity: 73%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Night
30°
Feels Like 28°
0
Humidity: 75%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
30°
Feels Like 28°
0
Humidity: 78%
UV Index: 0
Wind: 6 mph
10 PM
Night
28°
Feels Like 27°
0
Humidity: 78%
UV Index: 0
Wind: 5 mph
11 PM
Night
28°
Feels Like 27°
0
Frost Risk: 93%
Humidity: 81%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

2 AM
29 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.14 µg/m³
  • PM10: 6.06 µg/m³
  • O3: 0.032 ppm
  • NO2: 3.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.25 µg/m³
  • PM10: 6.12 µg/m³
  • O3: 0.031 ppm
  • NO2: 3.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.23 µg/m³
  • PM10: 5.94 µg/m³
  • O3: 0.035 ppm
  • NO2: 2.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.76 µg/m³
  • PM10: 6.43 µg/m³
  • O3: 0.036 ppm
  • NO2: 2.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.33 µg/m³
  • PM10: 6.96 µg/m³
  • O3: 0.038 ppm
  • NO2: 2.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.53 µg/m³
  • PM10: 7.1 µg/m³
  • O3: 0.041 ppm
  • NO2: 1.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.37 µg/m³
  • PM10: 6.91 µg/m³
  • O3: 0.042 ppm
  • NO2: 2.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.95 µg/m³
  • PM10: 6.47 µg/m³
  • O3: 0.043 ppm
  • NO2: 2.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.7 µg/m³
  • PM10: 6.22 µg/m³
  • O3: 0.044 ppm
  • NO2: 1.8 ppb
  • SO2: 0.2 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: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.86 µg/m³
  • PM10: 6.39 µg/m³
  • O3: 0.044 ppm
  • NO2: 1.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.52 µg/m³
  • PM10: 7.06 µg/m³
  • O3: 0.043 ppm
  • NO2: 1.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.73 µg/m³
  • PM10: 8.29 µg/m³
  • O3: 0.044 ppm
  • NO2: 1.4 ppb
  • SO2: 0.5 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.39 µg/m³
  • PM10: 8.98 µg/m³
  • O3: 0.044 ppm
  • NO2: 1.4 ppb
  • SO2: 0.5 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.63 µg/m³
  • PM10: 9.28 µg/m³
  • O3: 0.043 ppm
  • NO2: 1.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.69 µg/m³
  • PM10: 9.44 µg/m³
  • O3: 0.043 ppm
  • NO2: 1.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.93 µg/m³
  • PM10: 9.8 µg/m³
  • O3: 0.040 ppm
  • NO2: 2.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.36 µg/m³
  • PM10: 10.32 µg/m³
  • O3: 0.037 ppm
  • NO2: 4.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.92 µg/m³
  • PM10: 10.95 µg/m³
  • O3: 0.035 ppm
  • NO2: 4.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.64 µg/m³
  • PM10: 11.74 µg/m³
  • O3: 0.034 ppm
  • NO2: 4.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.96 µg/m³
  • PM10: 12.13 µg/m³
  • O3: 0.034 ppm
  • NO2: 4.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.4 µg/m³
  • PM10: 11.63 µg/m³
  • O3: 0.034 ppm
  • NO2: 4.1 ppb
  • SO2: 0.1 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: 8.96 µg/m³
  • PM10: 10.25 µg/m³
  • O3: 0.034 ppm
  • NO2: 3.8 ppb
  • SO2: 0 ppb
  • CO: 0.19 ppm

Health Recommendations:

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