Hourly Weather | Today Wednesday, June 24, 2026
Chicago, Illinois
6 AM
Cloudy Weather
61°
Feels Like 61°
5
Humidity: 77%
UV Index: 0
Wind: 7 mph
7 AM
Cloudy Weather
63°
Feels Like 63°
5
Humidity: 75%
UV Index: 1
Wind: 7 mph
8 AM
Cloudy Weather
64°
Feels Like 66°
7
Humidity: 67%
UV Index: 2
Wind: 8 mph
9 AM
Cloudy Weather
66°
Feels Like 68°
7
Humidity: 68%
UV Index: 4
Wind: 9 mph
10 AM
Cloudy Weather
68°
Feels Like 72°
7
Humidity: 68%
UV Index: 5
Wind: 9 mph
11 AM
Cloudy Weather
70°
Feels Like 73°
7
Humidity: 69%
UV Index: 7
Wind: 10 mph
12 PM
Cloudy Weather
70°
Feels Like 77°
7
Humidity: 68%
UV Index: 10
Wind: 10 mph
1 PM
Cloudy Weather
72°
Feels Like 79°
11
Humidity: 68%
UV Index: 11
Wind: 10 mph
2 PM
Cloudy Weather
72°
Feels Like 73°
48
Humidity: 67%
UV Index: 3
Wind: 10 mph
3 PM
Stormy Weather
72°
Feels Like 70°
52
Humidity: 77%
UV Index: 2
Wind: 10 mph
4 PM
Cloudy Weather
72°
Feels Like 72°
44
Humidity: 76%
UV Index: 2
Wind: 10 mph
5 PM
Stormy Weather
72°
Feels Like 66°
52
Humidity: 85%
UV Index: 1
Wind: 10 mph
6 PM
Cloudy Weather
73°
Feels Like 73°
48
Humidity: 73%
UV Index: 1
Wind: 9 mph
7 PM
Cloudy Weather
72°
Feels Like 72°
45
Humidity: 80%
UV Index: 1
Wind: 9 mph
8 PM
Cloudy Weather
70°
Feels Like 70°
49
Humidity: 81%
UV Index: 0
Wind: 9 mph
9 PM
Stormy Weather
70°
Feels Like 64°
55
Humidity: 82%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Night
70°
Feels Like 66°
49
Humidity: 84%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
68°
Feels Like 66°
49
Humidity: 85%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

6 AM
26 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.19 µg/m³
  • PM10: 6.5 µg/m³
  • O3: 0.020 ppm
  • NO2: 1.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

7 AM
26 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.24 µg/m³
  • PM10: 6.56 µg/m³
  • O3: 0.020 ppm
  • NO2: 1.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.4 µg/m³
  • PM10: 6.73 µg/m³
  • O3: 0.020 ppm
  • NO2: 1.5 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 AM
28 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.63 µg/m³
  • PM10: 6.98 µg/m³
  • O3: 0.021 ppm
  • NO2: 1.5 ppb
  • SO2: 0.5 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.11 µg/m³
  • PM10: 7.47 µg/m³
  • O3: 0.024 ppm
  • NO2: 1.4 ppb
  • SO2: 0.6 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.43 µg/m³
  • PM10: 6.68 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.7 ppb
  • SO2: 0.7 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.15 µg/m³
  • PM10: 6.35 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.5 ppb
  • SO2: 0.6 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.27 µg/m³
  • PM10: 6.44 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.4 ppb
  • SO2: 0.5 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.7 µg/m³
  • PM10: 6.86 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.5 ppb
  • SO2: 0.5 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: 7.3 µg/m³
  • PM10: 7.43 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.5 ppb
  • SO2: 0.5 ppb
  • CO: 0.09 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: 7.59 µg/m³
  • PM10: 7.7 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.6 ppb
  • SO2: 0.5 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.43 µg/m³
  • PM10: 7.52 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.41 µg/m³
  • PM10: 7.48 µg/m³
  • O3: 0.038 ppm
  • NO2: 1.3 ppb
  • SO2: 0.5 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: 7.62 µg/m³
  • PM10: 7.7 µg/m³
  • O3: 0.036 ppm
  • NO2: 1.7 ppb
  • SO2: 0.5 ppb
  • CO: 0.11 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: 7.85 µg/m³
  • PM10: 7.93 µg/m³
  • O3: 0.034 ppm
  • NO2: 1.8 ppb
  • SO2: 0.5 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: 8.25 µg/m³
  • PM10: 8.35 µg/m³
  • O3: 0.030 ppm
  • NO2: 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.

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

Pollutant Concentrations:

  • PM2.5: 8.73 µg/m³
  • PM10: 8.84 µg/m³
  • O3: 0.027 ppm
  • NO2: 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.

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

Pollutant Concentrations:

  • PM2.5: 9.19 µg/m³
  • PM10: 9.3 µg/m³
  • O3: 0.024 ppm
  • NO2: 2.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.11 ppm

Health Recommendations:

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