Hourly Weather | Today Tuesday, April 7, 2026
Evanston, Illinois
7 AM
Cloudy Weather
30°
Feels Like 14°
22
Humidity: 64%
UV Index: 0
Wind: 17 mph
8 AM
Cloudy Weather
30°
Feels Like 19°
0
Humidity: 60%
UV Index: 1
Wind: 13 mph
9 AM
Cloudy Weather
32°
Feels Like 25°
0
Humidity: 57%
UV Index: 2
Wind: 13 mph
10 AM
Cloudy Weather
34°
Feels Like 27°
0
Humidity: 56%
UV Index: 3
Wind: 13 mph
11 AM
Cloudy Weather
34°
Feels Like 30°
0
Humidity: 54%
UV Index: 5
Wind: 12 mph
12 PM
Cloudy Weather
34°
Feels Like 32°
0
Humidity: 51%
UV Index: 6
Wind: 12 mph
1 PM
Cloudy Weather
34°
Feels Like 34°
0
Humidity: 51%
UV Index: 6
Wind: 12 mph
2 PM
Cloudy Weather
36°
Feels Like 34°
0
Humidity: 50%
UV Index: 6
Wind: 12 mph
3 PM
Cloudy Weather
36°
Feels Like 34°
0
Humidity: 49%
UV Index: 5
Wind: 12 mph
4 PM
Cloudy Weather
36°
Feels Like 30°
0
Humidity: 51%
UV Index: 3
Wind: 12 mph
5 PM
Cloudy Weather
34°
Feels Like 28°
0
Humidity: 51%
UV Index: 2
Wind: 10 mph
6 PM
Cloudy Weather
34°
Feels Like 28°
0
Humidity: 53%
UV Index: 1
Wind: 9 mph
7 PM
Cloudy Weather
34°
Feels Like 27°
0
Humidity: 55%
UV Index: 0
Wind: 9 mph
8 PM
Cloudy Night
32°
Feels Like 18°
0
Humidity: 61%
UV Index: 0
Wind: 18 mph
9 PM
Cloudy Night
34°
Feels Like 18°
0
Humidity: 62%
UV Index: 0
Wind: 18 mph
10 PM
Cloudy Night
34°
Feels Like 18°
0
Humidity: 65%
UV Index: 0
Wind: 20 mph
11 PM
Cloudy Night
36°
Feels Like 19°
0
Humidity: 66%
UV Index: 0
Wind: 20 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 0.95 µg/m³
  • PM10: 1.76 µg/m³
  • O3: 0.043 ppm
  • NO2: 2.6 ppb
  • SO2: 1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.92 µg/m³
  • PM10: 1.72 µg/m³
  • O3: 0.044 ppm
  • NO2: 3.1 ppb
  • SO2: 1.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.88 µg/m³
  • PM10: 1.66 µg/m³
  • O3: 0.045 ppm
  • NO2: 3.1 ppb
  • SO2: 1.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.03 µg/m³
  • PM10: 1.76 µg/m³
  • O3: 0.046 ppm
  • NO2: 2.6 ppb
  • SO2: 1.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.44 µg/m³
  • PM10: 2.1 µg/m³
  • O3: 0.049 ppm
  • NO2: 2.2 ppb
  • SO2: 1.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.21 µg/m³
  • PM10: 2.83 µg/m³
  • O3: 0.051 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.

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

Pollutant Concentrations:

  • PM2.5: 3.26 µg/m³
  • PM10: 3.86 µg/m³
  • O3: 0.053 ppm
  • NO2: 1.6 ppb
  • SO2: 1.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

2 PM
55 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.38 µg/m³
  • PM10: 4.96 µg/m³
  • O3: 0.056 ppm
  • NO2: 1.4 ppb
  • SO2: 1.2 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.

3 PM
61 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.2 µg/m³
  • PM10: 5.77 µg/m³
  • O3: 0.057 ppm
  • NO2: 1.3 ppb
  • SO2: 1.2 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.

4 PM
64 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.61 µg/m³
  • PM10: 6.17 µg/m³
  • O3: 0.059 ppm
  • NO2: 1.2 ppb
  • SO2: 1.1 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.

5 PM
67 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.98 µg/m³
  • PM10: 6.57 µg/m³
  • O3: 0.059 ppm
  • NO2: 1.4 ppb
  • SO2: 1.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

6 PM
63 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.41 µg/m³
  • PM10: 7.07 µg/m³
  • O3: 0.058 ppm
  • NO2: 2 ppb
  • SO2: 1.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

7 PM
58 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.39 µg/m³
  • PM10: 7.13 µg/m³
  • O3: 0.056 ppm
  • NO2: 2.8 ppb
  • SO2: 1.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

8 PM
52 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.22 µg/m³
  • PM10: 7.05 µg/m³
  • O3: 0.055 ppm
  • NO2: 3.2 ppb
  • SO2: 1.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.04 µg/m³
  • PM10: 6.97 µg/m³
  • O3: 0.053 ppm
  • NO2: 3.3 ppb
  • SO2: 1.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.75 µg/m³
  • PM10: 6.73 µg/m³
  • O3: 0.051 ppm
  • NO2: 3.5 ppb
  • SO2: 1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.19 µg/m³
  • PM10: 6.13 µg/m³
  • O3: 0.049 ppm
  • NO2: 3.4 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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