Haikou AQI History

Hourly air quality data for the past 24 hours in Haikou, Hainan.

24-Hour Summary

Average AQI

Peak AQI

Best AQI

Hourly AQI Data

TimeAQICategoryPM2.5PM10
05:00 pm43Good7.89.7
06:00 pm45Good8.110.1
07:00 pm49Good8.810.8
08:00 pm54Moderate10.613.0
09:00 pm51Moderate9.111.5
10:00 pm46Good8.310.7
11:00 pm44Good7.910.1
12:00 am41Good7.49.4
01:00 am39Good7.19.1
02:00 am38Good6.88.8
03:00 am37Good6.68.6
04:00 am36Good6.48.3
05:00 am35Good6.38.3
06:00 am36Good6.48.3
07:00 am39Good7.08.9
08:00 am52Moderate9.712.7
09:00 am54Moderate10.814.0
10:00 am56Moderate12.015.4
11:00 am61Moderate14.217.9
12:00 pm65Moderate16.420.1
01:00 pm65Moderate16.420.0
02:00 pm61Moderate14.418.2
03:00 pm59Moderate13.317.1
04:00 pm57Moderate12.416.1
05:00 pm58Moderate12.616.3
06:00 pm58Moderate13.016.8
07:00 pm62Moderate14.918.3
08:00 pm69Moderate18.722.3
09:00 pm71Moderate19.722.9
10:00 pm70Moderate19.122.1
11:00 pm66Moderate17.219.8
12:00 am61Moderate14.416.6
01:00 am57Moderate12.314.3
02:00 am55Moderate11.313.0
03:00 am54Moderate10.912.5
04:00 am55Moderate11.012.6
05:00 am56Moderate11.613.2
06:00 am58Moderate13.014.5
07:00 am62Moderate15.216.6
08:00 am67Moderate17.521.1
09:00 am64Moderate16.320.4
10:00 am63Moderate15.620.0
11:00 am58Moderate13.117.0
12:00 pm55Moderate11.314.9
01:00 pm55Moderate11.214.4
02:00 pm54Moderate10.713.9
03:00 pm53Moderate10.013.0
04:00 pm52Moderate9.512.4
05:00 pm48Good8.711.5
06:00 pm45Good8.110.7
07:00 pm52Moderate9.411.7
08:00 pm42Good7.59.3
09:00 pm42Good7.59.5
10:00 pm43Good7.79.8
11:00 pm42Good7.59.9
12:00 am39Good7.09.4
01:00 am36Good6.58.7
02:00 am37Good6.78.9
03:00 am39Good7.09.3
04:00 am43Good7.710.1
05:00 am48Good8.611.1
06:00 am52Moderate9.712.3
07:00 am54Moderate10.713.2
08:00 am46Good8.311.0
09:00 am45Good8.110.9
10:00 am46Good8.311.1
11:00 am52Moderate9.412.3
12:00 pm52Moderate9.412.5
01:00 pm52Moderate9.612.8
02:00 pm51Moderate9.112.1
03:00 pm46Good8.210.9
04:00 pm44Good8.010.5
05:00 pm46Good8.210.7
06:00 pm48Good8.611.1
07:00 pm53Moderate10.012.3
08:00 pm56Moderate11.815.0
09:00 pm57Moderate12.115.4
10:00 pm57Moderate12.516.0
11:00 pm58Moderate12.616.3
12:00 am57Moderate12.516.2
01:00 am57Moderate12.315.9
02:00 am58Moderate12.816.7
03:00 am59Moderate13.217.2
04:00 am59Moderate13.517.8
05:00 am60Moderate13.818.0
06:00 am60Moderate14.018.3
07:00 am62Moderate14.819.0
08:00 am66Moderate17.223.0
09:00 am66Moderate17.323.2
10:00 am66Moderate17.122.9
11:00 am68Moderate18.023.7
12:00 pm72Moderate20.326.0
01:00 pm72Moderate20.425.4
02:00 pm69Moderate18.723.5
03:00 pm67Moderate17.923.0
04:00 pm67Moderate17.923.8
05:00 pm67Moderate17.924.0
06:00 pm70Moderate19.325.8
07:00 pm69Moderate19.024.7
08:00 pm80Moderate24.431.4
09:00 pm78Moderate23.530.5
10:00 pm76Moderate22.429.5
11:00 pm75Moderate22.029.0
12:00 am74Moderate21.428.3
01:00 am73Moderate20.727.5
02:00 am71Moderate19.625.8
03:00 am69Moderate18.624.4
04:00 am67Moderate17.923.4
05:00 am67Moderate17.522.7
06:00 am66Moderate17.222.3
07:00 am68Moderate18.023.1
08:00 am69Moderate18.524.8
09:00 am69Moderate18.725.0
10:00 am69Moderate18.624.7
11:00 am69Moderate18.924.4
12:00 pm69Moderate18.523.2
01:00 pm66Moderate17.221.5
02:00 pm63Moderate15.519.6
03:00 pm61Moderate14.618.7
04:00 pm61Moderate14.618.7
05:00 pm61Moderate14.318.2
06:00 pm61Moderate14.518.2
07:00 pm62Moderate15.218.7
08:00 pm70Moderate19.424.8
09:00 pm71Moderate20.025.4
10:00 pm72Moderate20.626.2
11:00 pm73Moderate20.726.3
12:00 am71Moderate20.025.6
01:00 am69Moderate18.824.1
02:00 am67Moderate17.822.6
03:00 am65Moderate16.821.4
04:00 am64Moderate15.920.1
05:00 am62Moderate15.119.1
06:00 am61Moderate14.718.5
07:00 am63Moderate15.318.9
08:00 am71Moderate20.126.5
09:00 am69Moderate18.925.1
10:00 am68Moderate18.324.4
11:00 am69Moderate18.524.3
12:00 pm71Moderate20.025.7
01:00 pm71Moderate19.825.1
02:00 pm68Moderate18.123.3
03:00 pm63Moderate15.620.4
04:00 pm61Moderate14.419.0
05:00 pm59Moderate13.517.8
06:00 pm58Moderate12.716.5
07:00 pm60Moderate13.917.6
08:00 pm52Moderate9.711.9
09:00 pm53Moderate10.012.6
10:00 pm54Moderate10.613.4
11:00 pm54Moderate10.713.4
12:00 am53Moderate10.012.6
01:00 am51Moderate9.111.7
02:00 am47Good8.510.9
03:00 am42Good7.69.7
04:00 am39Good7.19.1
05:00 am37Good6.78.3
06:00 am37Good6.68.2
07:00 am41Good7.38.9
08:00 am47Good8.510.6
09:00 am51Moderate9.311.5
10:00 am52Moderate9.712.0
11:00 am55Moderate11.413.5
12:00 pm59Moderate13.215.3
01:00 pm65Moderate16.418.0
02:00 pm73Moderate21.122.1
03:00 pm74Moderate21.422.3
04:00 pm74Moderate21.222.2
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