Hourly Weather | Today Wednesday, August 12, 2026
Waukegan, Illinois
8 AM
Sunny with a Chance of Thunderstorms
72°
Feels Like 73°
51
Humidity: 95%
UV Index: 1
Wind: 6 mph
9 AM
Foggy Weather
73°
Feels Like 79°
47
Humidity: 90%
UV Index: 1
Wind: 6 mph
10 AM
Foggy Weather
75°
Feels Like 82°
34
Humidity: 86%
UV Index: 2
Wind: 6 mph
11 AM
Foggy Weather
77°
Feels Like 84°
15
Humidity: 83%
UV Index: 2
Wind: 6 mph
12 PM
Foggy Weather
79°
Feels Like 86°
15
Humidity: 81%
UV Index: 3
Wind: 7 mph
1 PM
Foggy Weather
79°
Feels Like 88°
19
Humidity: 79%
UV Index: 3
Wind: 7 mph
2 PM
Sunny with a Chance of Thunderstorms
79°
Feels Like 84°
51
Humidity: 81%
UV Index: 2
Wind: 7 mph
3 PM
Cloudy Weather
81°
Feels Like 88°
47
Humidity: 75%
UV Index: 2
Wind: 7 mph
4 PM
Cloudy Weather
79°
Feels Like 84°
40
Humidity: 79%
UV Index: 2
Wind: 7 mph
5 PM
Cloudy Weather
79°
Feels Like 86°
34
Humidity: 79%
UV Index: 3
Wind: 7 mph
6 PM
Cloudy Weather
77°
Feels Like 82°
34
Humidity: 82%
UV Index: 2
Wind: 7 mph
7 PM
Cloudy Weather
75°
Feels Like 81°
23
Humidity: 85%
UV Index: 1
Wind: 7 mph
8 PM
Night
73°
Feels Like 77°
2
Humidity: 88%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
73°
Feels Like 75°
2
Humidity: 89%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
72°
Feels Like 73°
2
Humidity: 94%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
70°
Feels Like 72°
2
Humidity: 96%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 8.58 µg/m³
  • PM10: 8.75 µg/m³
  • O3: 0.013 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.

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

Pollutant Concentrations:

  • PM2.5: 8.15 µg/m³
  • PM10: 8.34 µg/m³
  • O3: 0.012 ppm
  • NO2: 1.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.82 µg/m³
  • PM10: 8.02 µg/m³
  • O3: 0.013 ppm
  • NO2: 1.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

11 AM
31 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.46 µg/m³
  • PM10: 7.68 µg/m³
  • O3: 0.019 ppm
  • NO2: 1.9 ppb
  • SO2: 0.8 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

12 PM
30 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.19 µg/m³
  • PM10: 7.43 µg/m³
  • O3: 0.022 ppm
  • NO2: 2 ppb
  • SO2: 0.9 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

1 PM
29 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.03 µg/m³
  • PM10: 7.28 µg/m³
  • O3: 0.023 ppm
  • NO2: 2.2 ppb
  • SO2: 1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.62 µg/m³
  • PM10: 6.86 µg/m³
  • O3: 0.025 ppm
  • NO2: 2.1 ppb
  • SO2: 1.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

3 PM
25 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.1 µg/m³
  • PM10: 6.3 µg/m³
  • O3: 0.027 ppm
  • NO2: 1.7 ppb
  • SO2: 1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.8 µg/m³
  • PM10: 5.99 µg/m³
  • O3: 0.029 ppm
  • NO2: 1.5 ppb
  • SO2: 0.9 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.66 µg/m³
  • PM10: 5.85 µg/m³
  • O3: 0.030 ppm
  • NO2: 1.4 ppb
  • SO2: 0.8 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.6 µg/m³
  • PM10: 5.79 µg/m³
  • O3: 0.030 ppm
  • NO2: 1.8 ppb
  • SO2: 0.7 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.46 µg/m³
  • PM10: 5.67 µg/m³
  • O3: 0.029 ppm
  • NO2: 2.2 ppb
  • SO2: 0.7 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

8 PM
23 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.51 µg/m³
  • PM10: 5.79 µg/m³
  • O3: 0.021 ppm
  • NO2: 3.1 ppb
  • SO2: 0.6 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.73 µg/m³
  • PM10: 6.13 µg/m³
  • O3: 0.013 ppm
  • NO2: 3.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

10 PM
25 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.95 µg/m³
  • PM10: 6.44 µg/m³
  • O3: 0.009 ppm
  • NO2: 4.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

11 PM
26 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.14 µg/m³
  • PM10: 6.71 µg/m³
  • O3: 0.006 ppm
  • NO2: 4.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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