Hourly Weather | Today Wednesday, August 12, 2026
Evanston, Illinois
8 AM
Foggy Weather
73°
Feels Like 79°
34
Humidity: 90%
UV Index: 1
Wind: 6 mph
9 AM
Foggy Weather
75°
Feels Like 81°
34
Humidity: 87%
UV Index: 1
Wind: 6 mph
10 AM
Foggy Weather
77°
Feels Like 82°
40
Humidity: 84%
UV Index: 2
Wind: 6 mph
11 AM
Sunny with a Chance of Thunderstorms
79°
Feels Like 82°
51
Humidity: 82%
UV Index: 2
Wind: 7 mph
12 PM
Foggy Weather
79°
Feels Like 84°
47
Humidity: 80%
UV Index: 3
Wind: 8 mph
1 PM
Foggy Weather
81°
Feels Like 88°
47
Humidity: 76%
UV Index: 3
Wind: 8 mph
2 PM
Sunny with a Chance of Thunderstorms
79°
Feels Like 82°
51
Humidity: 79%
UV Index: 3
Wind: 8 mph
3 PM
Cloudy Weather
79°
Feels Like 84°
47
Humidity: 79%
UV Index: 2
Wind: 8 mph
4 PM
Cloudy Weather
79°
Feels Like 82°
40
Humidity: 79%
UV Index: 2
Wind: 7 mph
5 PM
Cloudy Weather
77°
Feels Like 82°
33
Humidity: 79%
UV Index: 1
Wind: 8 mph
6 PM
Cloudy Weather
77°
Feels Like 82°
33
Humidity: 80%
UV Index: 2
Wind: 8 mph
7 PM
Cloudy Weather
75°
Feels Like 81°
39
Humidity: 81%
UV Index: 1
Wind: 8 mph
8 PM
Stormy Weather
75°
Feels Like 73°
51
Humidity: 86%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Night
75°
Feels Like 79°
47
Humidity: 85%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Night
73°
Feels Like 75°
40
Humidity: 87%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
73°
Feels Like 75°
34
Humidity: 88%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 7.77 µg/m³
  • PM10: 7.92 µg/m³
  • O3: 0.010 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.

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

Pollutant Concentrations:

  • PM2.5: 7.47 µg/m³
  • PM10: 7.65 µg/m³
  • O3: 0.010 ppm
  • NO2: 1.7 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
30 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.14 µg/m³
  • PM10: 7.33 µg/m³
  • O3: 0.011 ppm
  • NO2: 1.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.65 µg/m³
  • PM10: 6.86 µg/m³
  • O3: 0.019 ppm
  • NO2: 1.7 ppb
  • SO2: 0.6 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.37 µg/m³
  • PM10: 6.59 µg/m³
  • O3: 0.023 ppm
  • NO2: 1.7 ppb
  • SO2: 0.8 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.3 µg/m³
  • PM10: 6.52 µg/m³
  • O3: 0.024 ppm
  • NO2: 1.8 ppb
  • SO2: 0.9 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.16 µg/m³
  • PM10: 6.38 µg/m³
  • O3: 0.026 ppm
  • NO2: 1.8 ppb
  • SO2: 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: 5.97 µg/m³
  • PM10: 6.16 µg/m³
  • O3: 0.028 ppm
  • NO2: 1.6 ppb
  • SO2: 0.9 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: 5.98 µg/m³
  • O3: 0.029 ppm
  • NO2: 1.4 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: 5.69 µg/m³
  • PM10: 5.87 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
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.71 µg/m³
  • PM10: 5.89 µg/m³
  • O3: 0.029 ppm
  • NO2: 1.7 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: 5.67 µg/m³
  • PM10: 5.87 µg/m³
  • O3: 0.028 ppm
  • NO2: 2.1 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
24 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.76 µg/m³
  • PM10: 6.04 µg/m³
  • O3: 0.021 ppm
  • NO2: 3 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
25 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.02 µg/m³
  • PM10: 6.4 µg/m³
  • O3: 0.013 ppm
  • NO2: 3.6 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
26 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.26 µg/m³
  • PM10: 6.74 µg/m³
  • O3: 0.009 ppm
  • NO2: 4 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
27 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.48 µg/m³
  • PM10: 7.04 µg/m³
  • O3: 0.007 ppm
  • NO2: 4.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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