Hourly Weather | Today Friday, November 21, 2025
Elgin, Illinois
8 PM
Rainy Weather
43°
Feels Like 36°
51
Humidity: 71%
Wind: 7 mph
UV Index: 0
9 PM
Cloudy Weather
41°
Feels Like 37°
47
Humidity: 71%
Wind: 7 mph
UV Index: 0
10 PM
Cloudy Night
39°
Feels Like 36°
34
Humidity: 74%
Wind: 6 mph
UV Index: 0
11 PM
Cloudy Night
37°
Feels Like 34°
34
Humidity: 75%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

8 PM
21 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.94 µg/m³
  • PM10: 6.17 µg/m³
  • O3: 0.020 ppm
  • NO2: 9.2 ppb
  • SO2: 1 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

9 PM
21 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5 µg/m³
  • PM10: 6.07 µg/m³
  • O3: 0.019 ppm
  • NO2: 10.3 ppb
  • SO2: 0.9 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.96 µg/m³
  • PM10: 5.93 µg/m³
  • O3: 0.018 ppm
  • NO2: 11 ppb
  • SO2: 0.8 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.1 µg/m³
  • PM10: 6.06 µg/m³
  • O3: 0.018 ppm
  • NO2: 11.5 ppb
  • SO2: 0.8 ppb
  • CO: 0.21 ppm

Health Recommendations:

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