Hourly Weather | Today Monday, April 27, 2026
Joliet, Illinois
10 PM
Cloudy Weather
64°
Feels Like 61°
44
Humidity: 91%
UV Index: 0
Wind: 13 mph
11 PM
Cloudy Weather
64°
Feels Like 61°
34
Humidity: 90%
UV Index: 0
Wind: 13 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 2 µg/m³
  • PM10: 2.06 µg/m³
  • O3: 0.028 ppm
  • NO2: 1.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.1 µg/m³
  • PM10: 2.18 µg/m³
  • O3: 0.026 ppm
  • NO2: 2.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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