Hourly Weather | Today Wednesday, August 12, 2026
Champaign, Illinois
8 AM
Sunny Weather
75°
Feels Like 82°
34
Humidity: 94%
UV Index: 2
Wind: 7 mph
9 AM
Cloudy Weather
79°
Feels Like 88°
34
Humidity: 83%
UV Index: 3
Wind: 7 mph
10 AM
Cloudy Weather
81°
Feels Like 90°
40
Humidity: 78%
UV Index: 4
Wind: 8 mph
11 AM
Sunny with a Chance of Thunderstorms
79°
Feels Like 86°
66
Humidity: 89%
UV Index: 5
Wind: 8 mph
12 PM
Sunny with a Chance of Thunderstorms
81°
Feels Like 82°
66
Humidity: 79%
UV Index: 3
Wind: 8 mph
1 PM
Cloudy Weather
82°
Feels Like 95°
49
Humidity: 71%
UV Index: 8
Wind: 9 mph
2 PM
Sunny with a Chance of Thunderstorms
81°
Feels Like 88°
65
Humidity: 82%
UV Index: 2
Wind: 8 mph
3 PM
Sunny with a Chance of Thunderstorms
81°
Feels Like 84°
65
Humidity: 87%
UV Index: 2
Wind: 8 mph
4 PM
Cloudy Weather
79°
Feels Like 90°
49
Humidity: 82%
UV Index: 4
Wind: 8 mph
5 PM
Cloudy Weather
81°
Feels Like 90°
34
Humidity: 79%
UV Index: 3
Wind: 8 mph
6 PM
Cloudy Weather
79°
Feels Like 86°
34
Humidity: 81%
UV Index: 2
Wind: 8 mph
7 PM
Cloudy Weather
77°
Feels Like 82°
34
Humidity: 85%
UV Index: 1
Wind: 7 mph
8 PM
Cloudy Night
77°
Feels Like 82°
34
Humidity: 87%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
75°
Feels Like 81°
34
Humidity: 88%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
75°
Feels Like 81°
40
Humidity: 90%
UV Index: 0
Wind: 5 mph
11 PM
Stormy Weather
73°
Feels Like 75°
51
Humidity: 91%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

8 AM
19 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.64 µg/m³
  • PM10: 4.97 µg/m³
  • O3: 0.014 ppm
  • NO2: 2.1 ppb
  • SO2: 0.6 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

9 AM
19 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.62 µg/m³
  • PM10: 4.9 µg/m³
  • O3: 0.011 ppm
  • NO2: 2 ppb
  • SO2: 0.6 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

10 AM
19 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.64 µg/m³
  • PM10: 4.89 µg/m³
  • O3: 0.011 ppm
  • NO2: 1.6 ppb
  • SO2: 0.6 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.93 µg/m³
  • PM10: 5.17 µg/m³
  • O3: 0.015 ppm
  • NO2: 1.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.66 µg/m³
  • PM10: 5.93 µg/m³
  • O3: 0.023 ppm
  • NO2: 0.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.37 µg/m³
  • PM10: 6.65 µg/m³
  • O3: 0.032 ppm
  • NO2: 0.6 ppb
  • SO2: 0.5 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.43 µg/m³
  • PM10: 6.72 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.5 ppb
  • SO2: 0.6 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.44 µg/m³
  • PM10: 6.73 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.5 ppb
  • SO2: 0.7 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.48 µg/m³
  • PM10: 6.78 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.5 ppb
  • SO2: 0.7 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.6 µg/m³
  • PM10: 6.93 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.7 ppb
  • SO2: 0.7 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.51 µg/m³
  • PM10: 6.87 µg/m³
  • O3: 0.040 ppm
  • NO2: 1.1 ppb
  • SO2: 0.6 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.09 µg/m³
  • PM10: 6.51 µg/m³
  • O3: 0.036 ppm
  • NO2: 1.6 ppb
  • SO2: 0.5 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.56 µg/m³
  • PM10: 6.03 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.15 µg/m³
  • PM10: 5.67 µg/m³
  • O3: 0.027 ppm
  • NO2: 1.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.78 µg/m³
  • PM10: 5.36 µg/m³
  • O3: 0.023 ppm
  • NO2: 2 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.37 µg/m³
  • PM10: 4.97 µg/m³
  • O3: 0.021 ppm
  • NO2: 2 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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