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Tung Chung
Date TimeNO2O3SO2COPM10PM2.5
2022-09-27 08:0017.738.05.3422.97.93.7
2022-09-27 07:0011.247.45.0369.511.51.5
2022-09-27 06:0010.249.35.1379.813.64.2
2022-09-27 05:008.758.45.0428.314.58.0
2022-09-27 04:008.959.64.9419.815.09.9
2022-09-27 03:006.458.45.0438.712.59.1
2022-09-27 02:008.971.85.2458.816.77.8
2022-09-27 01:0010.771.05.2420.723.38.7
2022-09-27 00:0014.567.15.2488.928.610.5
2022-09-26 23:0018.769.45.1469.423.58.8
2022-09-26 22:0011.680.94.9464.218.25.9
2022-09-26 21:0011.095.95.4460.123.17.2
2022-09-26 20:0014.4103.95.6470.529.410.6
2022-09-26 19:0021.0120.26.2503.335.219.3
2022-09-26 18:0027.4136.26.9511.638.930.9
2022-09-26 17:0037.7142.66.2521.538.9-
2022-09-26 16:0035.4187.26.3524.436.3-
2022-09-26 15:0032.7157.66.2495.039.4-
2022-09-26 14:0023.0144.35.9441.446.4-
2022-09-26 13:0019.5140.25.8466.247.5-
2022-09-26 12:0032.4139.56.3558.243.7-
2022-09-26 11:0035.0119.66.4551.537.832.8
2022-09-26 10:0038.396.36.6541.930.89.3
2022-09-26 09:0032.692.06.7541.825.02.7
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 27-09-2022