Welcome to Environmental Protection Department Air Quality Health Index Website


Tung Chung
Date TimeNO2O3SO2COPM10PM2.5
2023-12-08 07:0035.632.96.4491.516.811.3
2023-12-08 06:0018.045.56.8460.015.610.0
2023-12-08 05:0014.749.16.2470.814.38.7
2023-12-08 04:0014.754.46.7458.113.17.6
2023-12-08 03:0016.759.56.4472.713.17.8
2023-12-08 02:0020.757.17.0464.016.09.9
2023-12-08 01:00----19.312.2
2023-12-08 00:0034.436.76.8516.925.015.8
2023-12-07 23:0038.238.46.6538.327.017.7
2023-12-07 22:0034.942.96.9506.824.515.1
2023-12-07 21:0045.540.96.9547.322.813.2
2023-12-07 20:0047.339.97.1554.820.011.5
2023-12-07 19:0050.224.17.1514.221.611.4
2023-12-07 18:0070.417.08.0557.833.415.5
2023-12-07 17:0062.583.58.8586.835.013.8
2023-12-07 16:0056.6103.89.0556.2--
2023-12-07 15:0068.379.29.7551.9--
2023-12-07 14:0065.356.89.4515.8--
2023-12-07 13:0054.848.78.7514.9--
2023-12-07 12:0047.545.99.9481.3--
2023-12-07 11:0047.032.99.3512.3--
2023-12-07 10:0042.417.28.0555.3-0.1
2023-12-07 09:0030.510.57.3541.0-0.6
2023-12-07 08:0028.911.66.6521.3-0.1
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: 07:07 08-12-2023