Hourly Weather | Today Thursday, July 23, 2026
Waukegan, Illinois
7 AM
Cloudy Weather
61°
Feels Like 61°
0
Humidity: 75%
UV Index: 1
Wind: 6 mph
8 AM
Sunny Weather
64°
Feels Like 66°
0
Humidity: 65%
UV Index: 2
Wind: 6 mph
9 AM
Sunny Weather
70°
Feels Like 72°
0
Humidity: 53%
UV Index: 3
Wind: 6 mph
10 AM
Cloudy Weather
73°
Feels Like 79°
0
Humidity: 46%
UV Index: 5
Wind: 6 mph
11 AM
Cloudy Weather
73°
Feels Like 82°
0
Humidity: 43%
UV Index: 7
Wind: 6 mph
12 PM
Cloudy Weather
75°
Feels Like 84°
0
Humidity: 42%
UV Index: 9
Wind: 7 mph
1 PM
Cloudy Weather
75°
Feels Like 84°
0
Humidity: 42%
UV Index: 10
Wind: 7 mph
2 PM
Cloudy Weather
77°
Feels Like 84°
0
Humidity: 41%
UV Index: 9
Wind: 7 mph
3 PM
Cloudy Weather
75°
Feels Like 82°
0
Humidity: 42%
UV Index: 7
Wind: 8 mph
4 PM
Cloudy Weather
75°
Feels Like 79°
0
Humidity: 44%
UV Index: 5
Wind: 8 mph
5 PM
Cloudy Weather
75°
Feels Like 77°
0
Humidity: 44%
UV Index: 3
Wind: 8 mph
6 PM
Cloudy Weather
75°
Feels Like 75°
0
Humidity: 46%
UV Index: 2
Wind: 8 mph
7 PM
Cloudy Weather
73°
Feels Like 72°
0
Humidity: 49%
UV Index: 1
Wind: 8 mph
8 PM
Cloudy Weather
72°
Feels Like 70°
0
Humidity: 52%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
70°
Feels Like 68°
0
Humidity: 57%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
68°
Feels Like 66°
0
Humidity: 62%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
66°
Feels Like 64°
0
Humidity: 64%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

7 AM
19 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.56 µg/m³
  • PM10: 5.56 µg/m³
  • O3: 0.007 ppm
  • NO2: 5.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

8 AM
20 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.73 µg/m³
  • PM10: 5.76 µg/m³
  • O3: 0.007 ppm
  • NO2: 4.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

9 AM
20 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.9 µg/m³
  • PM10: 5.98 µg/m³
  • O3: 0.008 ppm
  • NO2: 3.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

10 AM
22 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.28 µg/m³
  • PM10: 6.41 µg/m³
  • O3: 0.009 ppm
  • NO2: 4 ppb
  • SO2: 0.4 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.43 µg/m³
  • PM10: 5.2 µg/m³
  • O3: 0.041 ppm
  • NO2: 2.4 ppb
  • SO2: 2.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.73 µg/m³
  • PM10: 5.33 µg/m³
  • O3: 0.046 ppm
  • NO2: 1.4 ppb
  • SO2: 1.7 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.32 µg/m³
  • PM10: 5.9 µg/m³
  • O3: 0.048 ppm
  • NO2: 1.2 ppb
  • SO2: 1.6 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.76 µg/m³
  • PM10: 6.33 µg/m³
  • O3: 0.049 ppm
  • NO2: 1.2 ppb
  • SO2: 1.6 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.13 µg/m³
  • PM10: 6.71 µg/m³
  • O3: 0.050 ppm
  • NO2: 1.2 ppb
  • SO2: 1.6 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.5 µg/m³
  • PM10: 7.08 µg/m³
  • O3: 0.051 ppm
  • NO2: 1.2 ppb
  • SO2: 1.6 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.95 µg/m³
  • PM10: 7.55 µg/m³
  • O3: 0.049 ppm
  • NO2: 1.6 ppb
  • SO2: 1.6 ppb
  • CO: 0.10 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: 7.33 µg/m³
  • PM10: 7.96 µg/m³
  • O3: 0.045 ppm
  • NO2: 2.7 ppb
  • SO2: 1.6 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.46 µg/m³
  • PM10: 8.13 µg/m³
  • O3: 0.042 ppm
  • NO2: 3.6 ppb
  • SO2: 1.6 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.67 µg/m³
  • PM10: 8.41 µg/m³
  • O3: 0.037 ppm
  • NO2: 4.8 ppb
  • SO2: 1.5 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.02 µg/m³
  • PM10: 8.84 µg/m³
  • O3: 0.029 ppm
  • NO2: 6 ppb
  • SO2: 1.3 ppb
  • CO: 0.13 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.32 µg/m³
  • PM10: 9.21 µg/m³
  • O3: 0.023 ppm
  • NO2: 6.6 ppb
  • SO2: 1 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.43 µg/m³
  • PM10: 9.37 µg/m³
  • O3: 0.018 ppm
  • NO2: 7 ppb
  • SO2: 0.8 ppb
  • CO: 0.14 ppm

Health Recommendations:

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