Welcome to Environmental Protection Department Air Quality Health Index Website


Tseung Kwan O
Date TimeNO2O3SO2COPM10PM2.5
2023-02-05 17:0017.258.31.4299.422.121.4
2023-02-05 16:0012.966.21.5272.924.620.7
2023-02-05 15:0013.065.81.6272.924.019.9
2023-02-05 14:0014.962.31.8288.420.017.1
2023-02-05 13:0014.259.32.1301.121.2-
2023-02-05 12:0013.954.31.9317.824.2-
2023-02-05 11:0013.949.81.5340.228.927.9
2023-02-05 10:0013.747.91.5336.727.125.9
2023-02-05 09:0016.844.51.5330.522.720.8
2023-02-05 08:0017.446.41.7288.424.416.0
2023-02-05 07:0015.751.61.7262.726.815.5
2023-02-05 06:0011.656.91.7256.732.420.6
2023-02-05 05:0011.658.01.8266.830.523.7
2023-02-05 04:0010.759.52.3286.432.125.3
2023-02-05 03:0011.760.92.9309.535.428.9
2023-02-05 02:0014.261.02.5362.738.330.5
2023-02-05 01:0016.462.02.1363.737.428.9
2023-02-05 00:0018.064.22.0344.831.925.5
2023-02-04 23:0015.473.91.9309.032.321.0
2023-02-04 22:0016.577.42.0284.229.219.3
2023-02-04 21:0013.484.11.8265.331.720.1
2023-02-04 20:0016.783.62.2283.136.822.5
2023-02-04 19:0018.580.61.9286.431.121.6
2023-02-04 18:0015.683.81.9259.132.223.4
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 05-02-2023