Welcome to Environmental Protection Department Air Quality Health Index Website


Tseung Kwan O
Date TimeNO2O3SO2COPM10PM2.5
2023-05-28 16:005.7110.84.1113.824.716.7
2023-05-28 15:004.3100.33.884.324.113.9
2023-05-28 14:004.195.43.881.917.912.7
2023-05-28 13:004.784.63.775.315.513.0
2023-05-28 12:005.479.83.471.520.012.5
2023-05-28 11:006.270.73.465.122.110.3
2023-05-28 10:006.369.93.464.123.713.3
2023-05-28 09:006.665.73.667.920.812.1
2023-05-28 08:007.560.33.856.817.710.0
2023-05-28 07:006.860.63.756.215.37.6
2023-05-28 06:006.559.73.644.613.57.8
2023-05-28 05:007.259.43.846.212.58.3
2023-05-28 04:006.558.03.747.714.510.5
2023-05-28 03:006.856.63.863.918.112.6
2023-05-28 02:009.554.53.964.521.313.6
2023-05-28 01:007.459.23.576.624.615.4
2023-05-28 00:008.656.73.776.227.116.8
2023-05-27 23:0014.050.73.884.225.014.3
2023-05-27 22:0025.145.24.290.125.315.0
2023-05-27 21:0013.571.53.788.026.118.1
2023-05-27 20:0013.381.83.690.720.116.0
2023-05-27 19:0014.273.53.894.019.414.8
2023-05-27 18:0010.178.53.889.623.515.9
2023-05-27 17:006.277.43.476.326.318.7
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: 16:07 28-05-2023