Hourly Weather | Today Monday, September 21, 2026
Oshkosh, Wisconsin
3 PM
Cloudy Weather
61°
Feels Like 57°
7
Humidity: 62%
UV Index: 2
Wind: 13 mph
4 PM
Cloudy Weather
59°
Feels Like 55°
7
Humidity: 61%
UV Index: 1
Wind: 13 mph
5 PM
Cloudy Weather
59°
Feels Like 55°
7
Humidity: 61%
UV Index: 1
Wind: 13 mph
6 PM
Cloudy Weather
57°
Feels Like 54°
7
Humidity: 63%
UV Index: 0
Wind: 12 mph
7 PM
Cloudy Weather
55°
Feels Like 52°
5
Humidity: 67%
UV Index: 0
Wind: 10 mph
8 PM
Cloudy Weather
55°
Feels Like 52°
1
Humidity: 71%
UV Index: 0
Wind: 10 mph
9 PM
Cloudy Weather
54°
Feels Like 48°
1
Humidity: 76%
UV Index: 0
Wind: 10 mph
10 PM
Cloudy Weather
54°
Feels Like 48°
1
Humidity: 81%
UV Index: 0
Wind: 10 mph
11 PM
Cloudy Weather
52°
Feels Like 46°
1
Humidity: 84%
UV Index: 0
Wind: 10 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 0.69 µg/m³
  • PM10: 0.86 µg/m³
  • O3: 0.028 ppm
  • NO2: 1.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.78 µg/m³
  • PM10: 0.97 µg/m³
  • O3: 0.029 ppm
  • NO2: 1.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.86 µg/m³
  • PM10: 1.07 µg/m³
  • O3: 0.030 ppm
  • NO2: 1.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.92 µg/m³
  • PM10: 1.15 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

7 PM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.96 µg/m³
  • PM10: 1.21 µg/m³
  • O3: 0.032 ppm
  • NO2: 1.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.95 µg/m³
  • PM10: 1.2 µg/m³
  • O3: 0.032 ppm
  • NO2: 1.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.92 µg/m³
  • PM10: 1.17 µg/m³
  • O3: 0.032 ppm
  • NO2: 1.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.89 µg/m³
  • PM10: 1.14 µg/m³
  • O3: 0.032 ppm
  • NO2: 1.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

11 PM
29 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.85 µg/m³
  • PM10: 1.09 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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