Welcome to Environmental Protection Department Air Quality Health Index Website


Kwun Tong
Date TimeNO2O3SO2COPM10PM2.5
2024-03-19 19:0074.762.34.5-13.38.8
2024-03-19 18:0093.854.05.6-15.66.8
2024-03-19 17:0064.876.05.6-23.55.0
2024-03-19 16:0045.187.45.0-14.54.6
2024-03-19 15:0058.675.25.1-2.9-
2024-03-19 14:0060.661.44.3--5.1
2024-03-19 13:0051.448.33.4--2.4
2024-03-19 12:0049.928.53.2--2.0
2024-03-19 11:0031.727.91.0--4.0
2024-03-19 10:0043.213.12.3--2.9
2024-03-19 09:0035.015.22.1-5.7-
2024-03-19 08:0026.724.32.0-24.413.5
2024-03-19 07:0023.848.93.3-29.414.5
2024-03-19 06:0023.461.13.4-25.110.9
2024-03-19 05:0018.667.73.3-32.211.4
2024-03-19 04:0019.071.32.4-25.015.1
2024-03-19 03:0017.676.93.1-25.115.4
2024-03-19 02:0018.979.12.5-30.412.5
2024-03-19 01:0020.780.71.4-20.18.9
2024-03-19 00:0031.968.32.9-21.112.1
2024-03-18 23:0026.578.52.9-26.213.7
2024-03-18 22:0020.587.32.6-16.816.0
2024-03-18 21:0019.691.12.3-23.417.8
2024-03-18 20:0028.388.22.1-39.517.6
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: 19:07 19-03-2024