Welcome to Environmental Protection Department Air Quality Health Index Website


Kwun Tong
Date TimeNO2O3SO2COPM10PM2.5
2021-01-22 23:00116.11.88.5-63.134.3
2021-01-22 22:00117.71.87.9-59.232.1
2021-01-22 21:00119.01.57.1-48.532.0
2021-01-22 20:00122.11.57.1-44.224.3
2021-01-22 19:00125.02.87.3-57.424.0
2021-01-22 18:00143.35.98.2-62.831.7
2021-01-22 17:00161.535.27.5-69.731.0
2021-01-22 16:00135.641.57.9-65.232.0
2021-01-22 15:00133.326.99.0-74.636.8
2021-01-22 14:00140.819.710.4-80.852.4
2021-01-22 13:00142.119.411.5-98.350.1
2021-01-22 12:00147.49.713.1-92.353.8
2021-01-22 11:00135.64.413.2-98.057.8
2021-01-22 10:00131.10.314.9-104.552.2
2021-01-22 09:00129.60.015.0-96.456.8
2021-01-22 08:00127.70.612.4-100.861.8
2021-01-22 07:00126.81.410.3-99.467.8
2021-01-22 06:00125.61.88.0-96.266.1
2021-01-22 05:00120.91.37.3-92.267.0
2021-01-22 04:00121.21.87.2-91.059.3
2021-01-22 03:00127.11.97.7-96.757.2
2021-01-22 02:00129.01.96.3-42.425.3
2021-01-22 01:00110.32.65.6-43.826.9
2021-01-22 00:00121.32.56.2-40.227.0
Remarks:

(1) Time shown is in Hong Kong time.

(2) NO2 - nitrogen dioxide, O3 - ozone,
     SO2 - sulphur dioxide, CO - carbon monoxide,
     PM10 - respirable suspended particulates,
     PM2.5 - fine suspended particulates

(3) Concentration shown is in µg/m3.

(4) The pollutant concentration is based on real time data taken directly from EPD's Air Quality Monitoring Network.

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Last revision date: 23:07 22-01-2021