Hourly Weather | Today Wednesday, May 20, 2026
Elgin, Illinois
5 PM
Cloudy Weather
57°
Feels Like 54°
0
Humidity: 50%
UV Index: 3
Wind: 15 mph
6 PM
Cloudy Weather
55°
Feels Like 52°
0
Humidity: 50%
UV Index: 2
Wind: 14 mph
7 PM
Cloudy Weather
54°
Feels Like 48°
0
Humidity: 51%
UV Index: 1
Wind: 13 mph
8 PM
Cloudy Weather
54°
Feels Like 46°
0
Humidity: 49%
UV Index: 0
Wind: 12 mph
9 PM
Cloudy Night
50°
Feels Like 45°
0
Humidity: 51%
UV Index: 0
Wind: 10 mph
10 PM
Cloudy Night
48°
Feels Like 43°
0
Humidity: 54%
UV Index: 0
Wind: 9 mph
11 PM
Cloudy Night
46°
Feels Like 39°
0
Humidity: 59%
UV Index: 0
Wind: 9 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 4.58 µg/m³
  • PM10: 5.14 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.9 ppb
  • SO2: 1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.53 µg/m³
  • PM10: 5.12 µg/m³
  • O3: 0.047 ppm
  • NO2: 1.3 ppb
  • SO2: 1.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.16 µg/m³
  • PM10: 4.77 µg/m³
  • O3: 0.046 ppm
  • NO2: 1.8 ppb
  • SO2: 1.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

8 PM
40 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.41 µg/m³
  • PM10: 4.03 µg/m³
  • O3: 0.043 ppm
  • NO2: 2.6 ppb
  • SO2: 1.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

9 PM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.69 µg/m³
  • PM10: 3.35 µg/m³
  • O3: 0.040 ppm
  • NO2: 3.2 ppb
  • SO2: 1.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.13 µg/m³
  • PM10: 2.83 µg/m³
  • O3: 0.038 ppm
  • NO2: 3.7 ppb
  • SO2: 1.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.85 µg/m³
  • PM10: 2.58 µg/m³
  • O3: 0.036 ppm
  • NO2: 4 ppb
  • SO2: 1.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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