Hourly Weather | Today Tuesday, September 1, 2026
Eau Claire, Wisconsin
11 AM
Cloudy Weather
77°
Feels Like 84°
0
Humidity: 64%
UV Index: 4
Wind: 6 mph
12 PM
Cloudy Weather
81°
Feels Like 84°
0
Humidity: 54%
UV Index: 5
Wind: 6 mph
1 PM
Cloudy Weather
82°
Feels Like 90°
0
Humidity: 47%
UV Index: 6
Wind: 7 mph
2 PM
Cloudy Weather
86°
Feels Like 90°
0
Humidity: 43%
UV Index: 5
Wind: 8 mph
3 PM
Cloudy Weather
88°
Feels Like 91°
0
Humidity: 39%
UV Index: 4
Wind: 8 mph
4 PM
Cloudy Weather
91°
Feels Like 91°
0
Humidity: 36%
UV Index: 3
Wind: 9 mph
5 PM
Cloudy Weather
90°
Feels Like 90°
0
Humidity: 39%
UV Index: 2
Wind: 8 mph
6 PM
Cloudy Weather
86°
Feels Like 86°
0
Humidity: 43%
UV Index: 1
Wind: 7 mph
7 PM
Cloudy Weather
82°
Feels Like 82°
1
Humidity: 50%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Night
79°
Feels Like 79°
24
Humidity: 62%
UV Index: 0
Wind: 5 mph
9 PM
Cloudy Weather
75°
Feels Like 75°
24
Humidity: 72%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Weather
72°
Feels Like 72°
29
Humidity: 83%
UV Index: 0
Wind: 4 mph
11 PM
Cloudy Weather
66°
Feels Like 68°
49
Humidity: 93%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 6.56 µg/m³
  • PM10: 7.05 µg/m³
  • O3: 0.024 ppm
  • NO2: 1.2 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.21 µg/m³
  • PM10: 7.65 µg/m³
  • O3: 0.030 ppm
  • NO2: 0.7 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.15 µg/m³
  • PM10: 8.58 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.5 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.77 µg/m³
  • PM10: 7.13 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.88 µg/m³
  • PM10: 6.23 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.4 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.9 µg/m³
  • PM10: 6.27 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.4 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

5 PM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.33 µg/m³
  • PM10: 6.73 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.6 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

6 PM
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.91 µg/m³
  • PM10: 7.35 µg/m³
  • O3: 0.034 ppm
  • NO2: 1 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.46 µg/m³
  • PM10: 7.93 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.3 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.81 µg/m³
  • PM10: 8.35 µg/m³
  • O3: 0.026 ppm
  • NO2: 1.8 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.11 µg/m³
  • PM10: 8.75 µg/m³
  • O3: 0.019 ppm
  • NO2: 2.4 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.35 µg/m³
  • PM10: 9.07 µg/m³
  • O3: 0.015 ppm
  • NO2: 2.7 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.31 µg/m³
  • PM10: 9 µg/m³
  • O3: 0.011 ppm
  • NO2: 2.7 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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