Welcome to Environmental Protection Department Air Quality Health Index Website


Kwun Tong
Date TimeNO2O3SO2COPM10PM2.5
2023-05-28 17:0041.663.54.5-28.714.9
2023-05-28 16:0031.970.74.0-21.911.5
2023-05-28 15:0031.464.34.0-18.89.8
2023-05-28 14:0019.264.64.2-16.68.5
2023-05-28 13:0022.854.44.1-16.88.6
2023-05-28 12:0022.051.53.9-15.17.3
2023-05-28 11:0016.154.33.8-19.67.8
2023-05-28 10:0023.846.03.9-23.48.5
2023-05-28 09:0025.042.23.7-18.28.1
2023-05-28 08:0025.236.23.9-17.88.1
2023-05-28 07:0019.540.63.8-24.07.5
2023-05-28 06:0016.144.03.8-17.36.0
2023-05-28 05:0010.551.53.8-16.55.7
2023-05-28 04:0015.940.63.8-14.35.4
2023-05-28 03:0016.939.73.9-14.55.9
2023-05-28 02:0022.935.13.8-16.97.6
2023-05-28 01:0024.235.23.6-18.28.0
2023-05-28 00:0030.731.63.7-21.08.8
2023-05-27 23:0028.430.93.8-20.58.5
2023-05-27 22:0027.036.33.7-22.410.6
2023-05-27 21:0031.043.53.8-26.014.5
2023-05-27 20:0038.145.13.9-25.514.2
2023-05-27 19:0037.038.94.0-24.112.8
2023-05-27 18:0036.139.94.2-23.712.0
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: 17:07 28-05-2023