Hourly Weather | Today Sunday, October 12, 2025
Elgin, Illinois
2 PM
Cloudy Weather
70°
Feels Like 70°
0
Humidity: 48%
Wind: 10 mph
UV Index: 35
3 PM
Cloudy Weather
70°
Feels Like 70°
0
Humidity: 45%
Wind: 10 mph
UV Index: 28
4 PM
Cloudy Weather
68°
Feels Like 66°
0
Humidity: 47%
Wind: 10 mph
UV Index: 21
5 PM
Cloudy Weather
66°
Feels Like 64°
0
Humidity: 51%
Wind: 10 mph
UV Index: 13
6 PM
Cloudy Weather
64°
Feels Like 63°
0
Humidity: 58%
Wind: 8 mph
UV Index: 4
7 PM
Cloudy Night
61°
Feels Like 57°
0
Humidity: 67%
Wind: 7 mph
UV Index: 0
8 PM
Cloudy Night
57°
Feels Like 55°
0
Humidity: 73%
Wind: 7 mph
UV Index: 0
9 PM
Cloudy Night
55°
Feels Like 52°
0
Humidity: 81%
Wind: 7 mph
UV Index: 0
10 PM
Cloudy Night
55°
Feels Like 52°
0
Humidity: 82%
Wind: 7 mph
UV Index: 0
11 PM
Cloudy Night
54°
Feels Like 52°
0
Humidity: 82%
Wind: 7 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

2 PM
43 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.9 µg/m³
  • PM10: 8.59 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

3 PM
47 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 8.55 µg/m³
  • PM10: 9.15 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.6 ppb
  • SO2: 0.5 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

4 PM
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 8.43 µg/m³
  • PM10: 9.01 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.6 ppb
  • SO2: 0.5 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.26 µg/m³
  • PM10: 8.83 µg/m³
  • O3: 0.051 ppm
  • NO2: 1 ppb
  • SO2: 0.5 ppb
  • CO: 0.12 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: 8.15 µg/m³
  • PM10: 8.71 µg/m³
  • O3: 0.048 ppm
  • NO2: 1.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.06 µg/m³
  • PM10: 8.64 µg/m³
  • O3: 0.045 ppm
  • NO2: 2.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.89 µg/m³
  • PM10: 8.49 µg/m³
  • O3: 0.042 ppm
  • NO2: 2.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 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: 7.92 µg/m³
  • PM10: 8.55 µg/m³
  • O3: 0.040 ppm
  • NO2: 2.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.1 µg/m³
  • PM10: 8.75 µg/m³
  • O3: 0.039 ppm
  • NO2: 2.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.25 µg/m³
  • PM10: 8.9 µg/m³
  • O3: 0.037 ppm
  • NO2: 2.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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