Welcome to Environmental Protection Department Air Quality Health Index Website


Kwun Tong
Date TimeNO2O3SO2COPM10PM2.5
2023-03-27 21:0023.227.35.1-7.65.8
2023-03-27 20:0026.733.65.2-8.87.4
2023-03-27 19:0027.038.05.6-10.38.6
2023-03-27 18:0035.735.95.3-18.914.9
2023-03-27 17:0038.439.35.3-15.110.7
2023-03-27 16:0038.547.55.4-15.98.6
2023-03-27 15:0045.751.66.1-21.110.8
2023-03-27 14:0053.554.66.1-21.79.7
2023-03-27 13:0044.858.45.8-24.412.4
2023-03-27 12:0046.854.25.4-25.712.0
2023-03-27 11:00----22.27.2
2023-03-27 10:0039.656.26.8-24.18.6
2023-03-27 09:0046.148.36.8-24.89.2
2023-03-27 08:0043.552.36.8-22.26.8
2023-03-27 07:0030.263.16.9-20.16.0
2023-03-27 06:0019.376.06.7-29.616.2
2023-03-27 05:0012.482.36.5-15.38.5
2023-03-27 04:0011.770.26.2-12.08.0
2023-03-27 03:0017.058.36.3-13.79.4
2023-03-27 02:0017.651.66.4-10.36.8
2023-03-27 01:0026.941.26.1-14.310.9
2023-03-27 00:0037.523.76.8-16.613.2
2023-03-26 23:0032.624.36.6-9.07.5
2023-03-26 22:0025.833.26.3-10.28.1
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: 21:07 27-03-2023