Welcome to Environmental Protection Department Air Quality Health Index Website


Tseung Kwan O
Date TimeNO2O3SO2COPM10PM2.5
2023-09-28 21:0015.784.30.5123.011.2-
2023-09-28 20:0017.091.30.7134.613.312.1
2023-09-28 19:0020.892.50.8147.914.611.2
2023-09-28 18:0012.098.80.7135.517.713.3
2023-09-28 17:008.9100.81.0124.020.514.0
2023-09-28 16:007.1118.31.4165.822.411.0
2023-09-28 15:006.4108.21.3150.125.013.9
2023-09-28 14:008.8107.51.1142.024.418.0
2023-09-28 13:0010.5107.01.4153.825.615.1
2023-09-28 12:0010.2103.11.6142.524.913.3
2023-09-28 11:007.889.91.0118.918.412.9
2023-09-28 10:008.677.41.0126.615.510.4
2023-09-28 09:0010.965.70.9119.316.011.4
2023-09-28 08:0011.660.50.9120.017.412.1
2023-09-28 07:0013.357.21.1127.116.29.9
2023-09-28 06:007.661.71.1114.413.77.1
2023-09-28 05:008.858.61.1112.117.98.1
2023-09-28 04:007.359.81.7112.820.511.9
2023-09-28 03:005.755.60.759.522.617.1
2023-09-28 02:007.055.30.565.920.817.9
2023-09-28 01:0010.164.20.983.319.914.2
2023-09-28 00:0012.564.50.896.423.614.0
2023-09-27 23:0012.976.91.1115.821.013.7
2023-09-27 22:0019.769.61.3108.318.512.6
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: 21:07 28-09-2023