Hourly Weather | Today Sunday, October 26, 2025
Joliet, Illinois
1 PM
Cloudy Weather
59°
Feels Like 59°
0
Humidity: 47%
Wind: 10 mph
UV Index: 3
2 PM
Cloudy Weather
61°
Feels Like 61°
0
Humidity: 44%
Wind: 10 mph
UV Index: 3
3 PM
Sunny Weather
63°
Feels Like 63°
0
Humidity: 41%
Wind: 10 mph
UV Index: 2
4 PM
Sunny Weather
61°
Feels Like 59°
0
Humidity: 45%
Wind: 10 mph
UV Index: 2
5 PM
Sunny Weather
59°
Feels Like 55°
0
Humidity: 49%
Wind: 9 mph
UV Index: 1
6 PM
Night
55°
Feels Like 54°
0
Humidity: 56%
Wind: 8 mph
UV Index: 0
7 PM
Night
54°
Feels Like 50°
0
Humidity: 66%
Wind: 7 mph
UV Index: 0
8 PM
Cloudy Night
52°
Feels Like 46°
0
Humidity: 73%
Wind: 8 mph
UV Index: 0
9 PM
Cloudy Night
50°
Feels Like 45°
0
Humidity: 75%
Wind: 8 mph
UV Index: 0
10 PM
Cloudy Night
48°
Feels Like 45°
0
Humidity: 78%
Wind: 9 mph
UV Index: 0
11 PM
Cloudy Night
46°
Feels Like 43°
0
Humidity: 80%
Wind: 9 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

1 PM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.26 µg/m³
  • PM10: 13.62 µg/m³
  • O3: 0.033 ppm
  • NO2: 1.9 ppb
  • SO2: 0.8 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

2 PM
45 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.75 µg/m³
  • PM10: 11.88 µg/m³
  • O3: 0.041 ppm
  • NO2: 1.3 ppb
  • SO2: 0.9 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.95 µg/m³
  • PM10: 10.91 µg/m³
  • O3: 0.045 ppm
  • NO2: 1 ppb
  • SO2: 0.8 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.96 µg/m³
  • PM10: 10.89 µg/m³
  • O3: 0.046 ppm
  • NO2: 1 ppb
  • SO2: 0.8 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.9 µg/m³
  • PM10: 10.82 µg/m³
  • O3: 0.046 ppm
  • NO2: 1.3 ppb
  • SO2: 0.8 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.63 µg/m³
  • PM10: 10.53 µg/m³
  • O3: 0.045 ppm
  • NO2: 1.7 ppb
  • SO2: 0.8 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: 9.24 µg/m³
  • PM10: 10.11 µg/m³
  • O3: 0.044 ppm
  • NO2: 2 ppb
  • SO2: 0.7 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: 8.64 µg/m³
  • PM10: 9.46 µg/m³
  • O3: 0.043 ppm
  • NO2: 2.1 ppb
  • SO2: 0.6 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.17 µg/m³
  • PM10: 8.96 µg/m³
  • O3: 0.043 ppm
  • NO2: 2 ppb
  • SO2: 0.5 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.12 µg/m³
  • PM10: 8.91 µg/m³
  • O3: 0.042 ppm
  • NO2: 1.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.44 µg/m³
  • PM10: 9.24 µg/m³
  • O3: 0.041 ppm
  • NO2: 1.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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