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Today Hourly 7 days 30 days Air Quality
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Hourly Weather | Today | Thursday, September 4, 2025
Chicago, Illinois
1 PM
Sunny WeatherSunny weather, clear skies and sunny weather.
63°
Feels Like 64°
0
Humidity: 42%
Wind: 16 mph
UV Index: 62
2 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
64°
Feels Like 66°
0
Humidity: 42%
Wind: 15 mph
UV Index: 56
3 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
66°
Feels Like 66°
0
Humidity: 43%
Wind: 16 mph
UV Index: 45
4 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
66°
Feels Like 66°
0
Humidity: 42%
Wind: 16 mph
UV Index: 34
5 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
66°
Feels Like 66°
0
Humidity: 42%
Wind: 16 mph
UV Index: 22
6 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
66°
Feels Like 64°
0
Humidity: 44%
Wind: 16 mph
UV Index: 13
7 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
64°
Feels Like 63°
0
Humidity: 48%
Wind: 16 mph
UV Index: 4
8 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
64°
Feels Like 61°
0
Humidity: 49%
Wind: 10 mph
UV Index: 0
9 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
63°
Feels Like 61°
0
Humidity: 52%
Wind: 10 mph
UV Index: 0
10 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
63°
Feels Like 59°
0
Humidity: 55%
Wind: 12 mph
UV Index: 0
11 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
63°
Feels Like 57°
0
Humidity: 56%
Wind: 13 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 5.37 µg/m³
  • PM10: 6.64 µg/m³
  • O₃: 33.84 ppb
  • NO₂: 7.72 ppb
  • SO₂: 1.16 ppb
  • CO: 179.40 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
59 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 13.12 µg/m³
  • PM10: 14.38 µg/m³
  • O₃: 35.28 ppb
  • NO₂: 6.51 ppb
  • SO₂: 0.88 ppb
  • CO: 184.73 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
59 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 13.50 µg/m³
  • PM10: 13.75 µg/m³
  • O₃: 41.43 ppb
  • NO₂: 1.93 ppb
  • SO₂: 0.87 ppb
  • CO: 188.69 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
59 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 5.39 µg/m³
  • PM10: 5.45 µg/m³
  • O₃: 43.73 ppb
  • NO₂: 2.01 ppb
  • SO₂: 0.95 ppb
  • CO: 184.01 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
59 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 12.91 µg/m³
  • PM10: 13.13 µg/m³
  • O₃: 41.25 ppb
  • NO₂: 3.38 ppb
  • SO₂: 0.88 ppb
  • CO: 201.30 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
60 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 12.97 µg/m³
  • PM10: 13.17 µg/m³
  • O₃: 39.61 ppb
  • NO₂: 4.96 ppb
  • SO₂: 0.98 ppb
  • CO: 210.94 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
60 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 13.91 µg/m³
  • PM10: 14.07 µg/m³
  • O₃: 37.96 ppb
  • NO₂: 6.53 ppb
  • SO₂: 1.08 ppb
  • CO: 220.58 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
59 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 8.34 µg/m³
  • PM10: 8.40 µg/m³
  • O₃: 34.29 ppb
  • NO₂: 8.11 ppb
  • SO₂: 1.16 ppb
  • CO: 224.89 ppb

Health Recommendations:

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

9 PM
59 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 15.82 µg/m³
  • PM10: 15.97 µg/m³
  • O₃: 33.38 ppb
  • NO₂: 8.90 ppb
  • SO₂: 1.35 ppb
  • CO: 234.61 ppb

Health Recommendations:

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

10 PM
59 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 14.97 µg/m³
  • PM10: 15.07 µg/m³
  • O₃: 31.10 ppb
  • NO₂: 10.08 ppb
  • SO₂: 1.49 ppb
  • CO: 241.63 ppb

Health Recommendations:

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

11 PM
58 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 7.91 µg/m³
  • PM10: 7.96 µg/m³
  • O₃: 31.12 ppb
  • NO₂: 9.97 ppb
  • SO₂: 1.37 ppb
  • CO: 238.33 ppb

Health Recommendations:

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

Current Real-Time Air Quality Report