Welcome to Environmental Protection Department Air Quality Health Index Website


Tseung Kwan O
Date TimeNO2O3SO2COPM10PM2.5
2021-01-22 23:00125.32.38.41,208.351.524.8
2021-01-22 22:00123.72.57.11,123.545.423.2
2021-01-22 21:00123.62.56.51,069.137.224.0
2021-01-22 20:00128.32.65.3982.340.721.7
2021-01-22 19:00134.42.95.9868.539.417.6
2021-01-22 18:00146.639.74.5910.330.012.8
2021-01-22 17:0047.9158.02.8800.434.919.3
2021-01-22 16:0079.5118.84.4818.047.729.0
2021-01-22 15:00112.266.57.4861.765.439.0
2021-01-22 14:00118.554.88.6955.088.052.5
2021-01-22 13:00119.646.510.11,019.8101.163.2
2021-01-22 12:00------
2021-01-22 11:00151.56.613.81,269.386.264.4
2021-01-22 10:00149.32.713.61,428.173.258.2
2021-01-22 09:00136.73.09.81,515.267.049.8
2021-01-22 08:00122.31.77.31,554.064.743.3
2021-01-22 07:00109.11.75.81,363.953.036.4
2021-01-22 06:00100.71.83.31,212.342.131.7
2021-01-22 05:0095.22.43.21,156.230.125.9
2021-01-22 04:0095.12.52.31,149.521.918.1
2021-01-22 03:0082.14.61.91,010.423.117.2
2021-01-22 02:0081.23.41.9969.026.518.6
2021-01-22 01:0086.02.92.01,053.427.018.6
2021-01-22 00:0093.73.12.91,215.123.218.0
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: 23:07 22-01-2021