Hourly Weather | Today Thursday, January 15, 2026
Joliet, Illinois
5 AM
Cloudy Night
16°
Feels Like -2°
0
Humidity: 68%
Wind: 15 mph
UV Index: 0
6 AM
Cloudy Night
16°
Feels Like -2°
0
Humidity: 69%
Wind: 14 mph
UV Index: 0
7 AM
Cloudy Night
16°
Feels Like
0
Humidity: 70%
Wind: 9 mph
UV Index: 0
8 AM
Cloudy Weather
16°
Feels Like
0
Humidity: 73%
Wind: 9 mph
UV Index: 1
9 AM
Cloudy Weather
18°
Feels Like 10°
0
Humidity: 66%
Wind: 9 mph
UV Index: 1
10 AM
Cloudy Weather
19°
Feels Like 16°
0
Humidity: 60%
Wind: 8 mph
UV Index: 2
11 AM
Cloudy Weather
21°
Feels Like 19°
0
Humidity: 55%
Wind: 7 mph
UV Index: 2
12 PM
Cloudy Weather
23°
Feels Like 21°
0
Humidity: 51%
Wind: 7 mph
UV Index: 2
1 PM
Cloudy Weather
25°
Feels Like 21°
6
Humidity: 47%
Wind: 7 mph
UV Index: 2
2 PM
Cloudy Weather
27°
Feels Like 21°
6
Humidity: 43%
Wind: 8 mph
UV Index: 1
3 PM
Cloudy Weather
27°
Feels Like 19°
4
Humidity: 42%
Wind: 9 mph
UV Index: 1
4 PM
Cloudy Weather
27°
Feels Like 19°
1
Humidity: 41%
Wind: 8 mph
UV Index: 0
5 PM
Cloudy Night
25°
Feels Like 19°
1
Humidity: 47%
Wind: 7 mph
UV Index: 0
6 PM
Cloudy Weather
25°
Feels Like 19°
4
Humidity: 48%
Wind: 7 mph
UV Index: 0
7 PM
Cloudy Weather
25°
Feels Like 18°
44
Humidity: 51%
Wind: 8 mph
UV Index: 0
8 PM
Snowy Weather
25°
Feels Like 16°
48
Humidity: 53%
Wind: 9 mph
UV Index: 0
9 PM
Snowy Weather
27°
Feels Like 16°
43
Humidity: 55%
Wind: 9 mph
UV Index: 0
10 PM
Cloudy Weather
27°
Feels Like 16°
49
Humidity: 62%
Wind: 10 mph
UV Index: 0
11 PM
Snowy Weather
25°
Feels Like 12°
60
Humidity: 74%
Wind: 12 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

5 AM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.77 µg/m³
  • PM10: 0.95 µg/m³
  • O3: 0.037 ppm
  • NO2: 1.4 ppb
  • SO2: 0.6 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

6 AM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.84 µg/m³
  • PM10: 1.02 µg/m³
  • O3: 0.036 ppm
  • NO2: 1.5 ppb
  • SO2: 0.7 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

7 AM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.88 µg/m³
  • PM10: 1.08 µg/m³
  • O3: 0.036 ppm
  • NO2: 1.6 ppb
  • SO2: 0.7 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

8 AM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.91 µg/m³
  • PM10: 1.12 µg/m³
  • O3: 0.036 ppm
  • NO2: 1.9 ppb
  • SO2: 0.7 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

9 AM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.94 µg/m³
  • PM10: 1.16 µg/m³
  • O3: 0.036 ppm
  • NO2: 2.1 ppb
  • SO2: 0.8 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

10 AM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.99 µg/m³
  • PM10: 1.22 µg/m³
  • O3: 0.036 ppm
  • NO2: 1.9 ppb
  • SO2: 0.9 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.1 µg/m³
  • PM10: 1.35 µg/m³
  • O3: 0.036 ppm
  • NO2: 1.8 ppb
  • SO2: 1.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.27 µg/m³
  • PM10: 1.55 µg/m³
  • O3: 0.036 ppm
  • NO2: 1.8 ppb
  • SO2: 1.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

1 PM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.51 µg/m³
  • PM10: 1.82 µg/m³
  • O3: 0.037 ppm
  • NO2: 1.8 ppb
  • SO2: 1.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.67 µg/m³
  • PM10: 2.01 µg/m³
  • O3: 0.037 ppm
  • NO2: 1.8 ppb
  • SO2: 1.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.67 µg/m³
  • PM10: 2.04 µg/m³
  • O3: 0.037 ppm
  • NO2: 2 ppb
  • SO2: 1.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.72 µg/m³
  • PM10: 2.12 µg/m³
  • O3: 0.038 ppm
  • NO2: 2.4 ppb
  • SO2: 1.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.89 µg/m³
  • PM10: 2.34 µg/m³
  • O3: 0.037 ppm
  • NO2: 3.1 ppb
  • SO2: 1.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.11 µg/m³
  • PM10: 2.56 µg/m³
  • O3: 0.036 ppm
  • NO2: 3.5 ppb
  • SO2: 1.7 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.33 µg/m³
  • PM10: 2.78 µg/m³
  • O3: 0.035 ppm
  • NO2: 3.7 ppb
  • SO2: 1.7 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.53 µg/m³
  • PM10: 3.01 µg/m³
  • O3: 0.035 ppm
  • NO2: 3.7 ppb
  • SO2: 1.8 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.78 µg/m³
  • PM10: 3.37 µg/m³
  • O3: 0.034 ppm
  • NO2: 3.8 ppb
  • SO2: 2.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.06 µg/m³
  • PM10: 3.69 µg/m³
  • O3: 0.034 ppm
  • NO2: 4.2 ppb
  • SO2: 2.8 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.11 µg/m³
  • PM10: 3.57 µg/m³
  • O3: 0.033 ppm
  • NO2: 4.6 ppb
  • SO2: 2.9 ppb
  • CO: 0.15 ppm

Health Recommendations:

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