Evanston AQI History

Hourly air quality data for the past 24 hours in Evanston, Illinois.

24-Hour Summary

Average AQI

Peak AQI

Best AQI

Hourly AQI Data

TimeAQICategoryPM2.5PM10
06:00 am————
05:00 am————
04:00 am————
03:00 am53Moderate10.427.2
02:00 am————
01:00 am51Moderate9.328.3
12:00 am52Moderate9.728.0
11:00 pm51Moderate9.327.7
10:00 pm51Moderate9.232.2
09:00 pm52Moderate9.840.1
08:00 pm53Moderate10.133.8
07:00 pm54Moderate10.730.8
06:00 pm52Moderate9.625.9
05:00 pm52Moderate9.725.4
04:00 pm51Moderate9.321.7
03:00 pm48Good8.620.3
02:00 pm40Good7.118.1
01:00 pm40Good7.215.4
12:00 pm37Good6.719.1
11:00 am38Good6.818.3
10:00 am40Good7.317.5
09:00 am40Good7.217.5
08:00 am43Good7.815.0
07:00 am44Good7.816.4
06:00 am49Good8.817.0
05:00 am57Moderate12.421.6
04:00 am58Moderate13.023.1
03:00 am59Moderate13.323.5
02:00 am58Moderate12.926.4
01:00 am53Moderate10.223.2
12:00 am44Good7.820.7
11:00 pm43Good7.819.7
10:00 pm44Good7.822.3
09:00 pm47Good8.420.3
08:00 pm————
07:00 pm47Good8.422.9
06:00 pm47Good8.421.5
05:00 pm47Good8.419.8
04:00 pm44Good8.022.5
03:00 pm45Good8.220.8
02:00 pm41Good7.422.1
01:00 pm40Good7.220.2
12:00 pm38Good6.920.9
11:00 am34Good6.121.1
10:00 am33Good5.918.0
09:00 am39Good7.118.7
08:00 am37Good6.717.0
07:00 am46Good8.215.5
06:00 am48Good8.714.1
05:00 am55Moderate11.419.4
04:00 am56Moderate11.620.5
03:00 am55Moderate11.019.2
02:00 am55Moderate11.319.9
01:00 am54Moderate10.718.5
12:00 am44Good8.016.8
11:00 pm38Good6.918.3
10:00 pm37Good6.716.8
09:00 pm38Good6.915.5
08:00 pm40Good7.116.6
07:00 pm39Good7.013.5
06:00 pm39Good7.114.4
05:00 pm35Good6.313.5
04:00 pm35Good6.413.6
03:00 pm36Good6.515.1
02:00 pm35Good6.217.0
01:00 pm37Good6.617.2
12:00 pm35Good6.415.1
11:00 am35Good6.315.3
10:00 am37Good6.615.3
09:00 am37Good6.614.3
08:00 am42Good7.614.0
07:00 am47Good8.414.2
06:00 am500Hazardous9.116.9
05:00 am56Moderate11.820.2
04:00 am56Moderate11.520.5
03:00 am55Moderate11.220.6
02:00 am54Moderate10.820.9
01:00 am54Moderate10.519.9
12:00 am50Good8.919.8
11:00 pm50Good8.921.2
10:00 pm49Good8.819.1
09:00 pm48Good8.718.2
08:00 pm50Good8.917.8
07:00 pm49Good8.815.8
06:00 pm46Good8.215.8
05:00 pm43Good7.715.4
04:00 pm43Good7.714.3
03:00 pm39Good7.016.3
02:00 pm34Good6.115.2
01:00 pm34Good6.015.8
12:00 pm38Good6.818.4
11:00 am37Good6.717.8
10:00 am36Good6.416.6
09:00 am32Good5.715.2
08:00 am30Good5.312.8
07:00 am32Good5.814.7
06:00 am31Good5.514.6
05:00 am35Good6.318.8
04:00 am34Good6.016.6
03:00 am35Good6.215.5
02:00 am34Good6.117.4
01:00 am37Good6.718.9
12:00 am37Good6.720.0
11:00 pm36Good6.520.3
10:00 pm37Good6.720.5
09:00 pm37Good6.720.2
08:00 pm40Good7.122.9
07:00 pm40Good7.222.3
06:00 pm37Good6.722.9
05:00 pm39Good7.025.9
04:00 pm42Good7.628.2
03:00 pm47Good8.526.1
02:00 pm52Moderate9.921.3
01:00 pm60Moderate13.722.2
12:00 pm62Moderate15.125.6
11:00 am60Moderate13.925.4
10:00 am63Moderate15.628.7
09:00 am71Moderate19.931.2
08:00 am78Moderate23.430.9
07:00 am74Moderate21.632.1
06:00 am72Moderate20.534.3
05:00 am71Moderate19.837.5
04:00 am65Moderate16.533.7
03:00 am64Moderate16.332.0
02:00 am61Moderate14.336.2
01:00 am56Moderate12.133.7
12:00 am54Moderate10.836.2
11:00 pm53Moderate10.437.2
10:00 pm53Moderate10.440.3
09:00 pm53Moderate10.438.8
08:00 pm54Moderate10.537.1
07:00 pm53Moderate10.327.5
06:00 pm53Moderate9.929.6
05:00 pm52Moderate9.939.3
04:00 pm51Moderate9.128.9
03:00 pm48Good8.721.1
02:00 pm35Good6.213.9
01:00 pm28Good5.013.7
12:00 pm24Good4.319.5
11:00 am24Good4.318.3
10:00 am25Good4.418.1
09:00 am26Good4.718.6
08:00 am28Good5.119.4
07:00 am32Good5.720.7
06:00 am40Good7.122.5
05:00 am53Moderate10.425.9
04:00 am55Moderate11.025.3
03:00 am54Moderate10.622.5
02:00 am55Moderate11.422.5
01:00 am52Moderate9.419.1
12:00 am42Good7.617.5
11:00 pm44Good7.917.7
10:00 pm43Good7.717.0
09:00 pm42Good7.516.2
08:00 pm41Good7.415.9
07:00 pm41Good7.316.1
06:00 pm37Good6.717.4
05:00 pm35Good6.317.3
04:00 pm33Good6.014.4
03:00 pm33Good6.012.9
02:00 pm33Good5.913.6
01:00 pm31Good5.613.1
12:00 pm28Good5.013.8
11:00 am29Good5.213.3
10:00 am32Good5.715.7
09:00 am34Good6.115.7
08:00 am43Good7.814.6
07:00 am48Good8.715.7
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