Welcome to Environmental Protection Department Air Quality Health Index Website


Tseung Kwan O
Date TimeNO2O3SO2COPM10PM2.5
2021-12-04 08:0016.385.48.4344.423.710.2
2021-12-04 07:0015.883.98.2327.224.712.3
2021-12-04 06:0012.386.69.5323.925.414.2
2021-12-04 05:0011.586.510.1325.025.012.6
2021-12-04 04:0011.886.69.7320.821.48.9
2021-12-04 03:0012.286.79.6319.223.610.4
2021-12-04 02:0016.183.810.3342.429.110.5
2021-12-04 01:0025.973.510.6382.935.511.6
2021-12-04 00:0030.070.710.0391.939.012.7
2021-12-03 23:0030.571.78.3393.335.214.0
2021-12-03 22:0028.875.97.5369.634.312.0
2021-12-03 21:0054.957.47.5461.233.810.7
2021-12-03 20:0099.117.57.5650.236.712.5
2021-12-03 19:0089.629.37.5543.240.414.7
2021-12-03 18:0033.588.77.4366.638.212.6
2021-12-03 17:0021.0105.57.4342.136.512.2
2021-12-03 16:0015.1111.27.5329.933.110.2
2021-12-03 15:0015.4116.77.6341.429.49.7
2021-12-03 14:0014.2113.87.4317.231.411.9
2021-12-03 13:0011.1109.57.2308.233.815.0
2021-12-03 12:0012.9103.77.4322.828.611.6
2021-12-03 11:0014.593.08.0340.424.79.0
2021-12-03 10:0013.188.88.0339.121.15.2
2021-12-03 09:0016.384.28.4334.022.26.5
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: 08:07 04-12-2021