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Hourly Weather | Today | Thursday, August 14, 2025
Chicago, Illinois
8 AM
Sunny WeatherSunny weather, clear skies and sunny weather.
73°
Feels Like 75°
0
Humidity: 72%
Wind: 7 mph
UV Index: 17
9 AM
Sunny WeatherSunny weather, clear skies and sunny weather.
75°
Feels Like 79°
0
Humidity: 67%
Wind: 7 mph
UV Index: 27
10 AM
Sunny WeatherSunny weather, clear skies and sunny weather.
79°
Feels Like 82°
0
Humidity: 63%
Wind: 7 mph
UV Index: 41
11 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
79°
Feels Like 84°
0
Humidity: 60%
Wind: 8 mph
UV Index: 55
12 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
79°
Feels Like 86°
0
Humidity: 58%
Wind: 8 mph
UV Index: 74
1 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
81°
Feels Like 88°
0
Humidity: 56%
Wind: 8 mph
UV Index: 81
2 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
81°
Feels Like 86°
0
Humidity: 54%
Wind: 8 mph
UV Index: 74
3 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
81°
Feels Like 84°
0
Humidity: 52%
Wind: 8 mph
UV Index: 55
4 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
81°
Feels Like 82°
0
Humidity: 53%
Wind: 8 mph
UV Index: 41
5 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
79°
Feels Like 81°
0
Humidity: 54%
Wind: 8 mph
UV Index: 27
6 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
79°
Feels Like 79°
0
Humidity: 57%
Wind: 8 mph
UV Index: 17
7 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
77°
Feels Like 77°
0
Humidity: 61%
Wind: 7 mph
UV Index: 8
8 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
75°
Feels Like 75°
0
Humidity: 64%
Wind: 7 mph
UV Index: 0
9 PM
NightNighttime, with dark skies and stars or a moon visible.
75°
Feels Like 75°
0
Humidity: 69%
Wind: 6 mph
UV Index: 0
10 PM
NightNighttime, with dark skies and stars or a moon visible.
75°
Feels Like 73°
0
Humidity: 72%
Wind: 6 mph
UV Index: 0
11 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
73°
Feels Like 73°
0
Humidity: 74%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

8 AM
68 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 20.96 µg/m³
  • PM10: 21.02 µg/m³
  • O₃: 32.18 ppb
  • NO₂: 11.07 ppb
  • SO₂: 3.03 ppb
  • CO: 214.05 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

9 AM
68 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 19.07 µg/m³
  • PM10: 19.14 µg/m³
  • O₃: 37.97 ppb
  • NO₂: 8.46 ppb
  • SO₂: 2.81 ppb
  • CO: 212.06 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

10 AM
68 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 18.53 µg/m³
  • PM10: 18.59 µg/m³
  • O₃: 43.75 ppb
  • NO₂: 5.85 ppb
  • SO₂: 2.58 ppb
  • CO: 210.06 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

11 AM
68 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 18.64 µg/m³
  • PM10: 18.70 µg/m³
  • O₃: 49.16 ppb
  • NO₂: 4.63 ppb
  • SO₂: 2.27 ppb
  • CO: 209.76 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

12 PM
68 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 18.88 µg/m³
  • PM10: 18.94 µg/m³
  • O₃: 54.58 ppb
  • NO₂: 3.41 ppb
  • SO₂: 1.95 ppb
  • CO: 209.47 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

1 PM
68 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 19.23 µg/m³
  • PM10: 19.31 µg/m³
  • O₃: 59.99 ppb
  • NO₂: 2.19 ppb
  • SO₂: 1.64 ppb
  • CO: 209.17 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

2 PM
68 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 19.67 µg/m³
  • PM10: 19.75 µg/m³
  • O₃: 62.09 ppb
  • NO₂: 2.13 ppb
  • SO₂: 1.57 ppb
  • CO: 211.81 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

3 PM
69 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 19.71 µg/m³
  • PM10: 19.77 µg/m³
  • O₃: 64.19 ppb
  • NO₂: 2.08 ppb
  • SO₂: 1.49 ppb
  • CO: 214.46 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

4 PM
69 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 19.67 µg/m³
  • PM10: 19.73 µg/m³
  • O₃: 66.29 ppb
  • NO₂: 2.02 ppb
  • SO₂: 1.42 ppb
  • CO: 217.10 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

5 PM
69 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 19.54 µg/m³
  • PM10: 19.62 µg/m³
  • O₃: 62.69 ppb
  • NO₂: 3.61 ppb
  • SO₂: 1.46 ppb
  • CO: 229.25 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

6 PM
69 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 19.51 µg/m³
  • PM10: 19.58 µg/m³
  • O₃: 59.09 ppb
  • NO₂: 5.20 ppb
  • SO₂: 1.50 ppb
  • CO: 241.39 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

7 PM
69 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 20.13 µg/m³
  • PM10: 20.19 µg/m³
  • O₃: 55.50 ppb
  • NO₂: 6.80 ppb
  • SO₂: 1.55 ppb
  • CO: 253.54 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

8 PM
70 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 21.75 µg/m³
  • PM10: 21.81 µg/m³
  • O₃: 50.29 ppb
  • NO₂: 8.78 ppb
  • SO₂: 1.62 ppb
  • CO: 264.65 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.