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Tung Chung
Date TimeNO2O3SO2COPM10PM2.5
2024-04-25 05:007.859.90.6454.014.88.3
2024-04-25 04:009.963.30.6450.314.78.5
2024-04-25 03:0010.864.31.6434.417.29.5
2024-04-25 02:009.255.00.1429.812.97.9
2024-04-25 01:007.758.11.0459.916.310.6
2024-04-25 00:0024.447.10.9514.318.413.1
2024-04-24 23:0014.757.10.4486.917.310.5
2024-04-24 22:0027.543.71.2512.421.613.9
2024-04-24 21:0057.46.41.4650.626.018.0
2024-04-24 20:0061.30.01.2665.830.122.5
2024-04-24 19:0075.20.02.6656.028.119.2
2024-04-24 18:0070.50.82.3620.726.918.6
2024-04-24 17:0075.94.12.1646.925.418.2
2024-04-24 16:0050.028.91.4617.823.117.1
2024-04-24 15:0081.717.95.41,805.224.218.5
2024-04-24 14:00104.910.58.4746.720.917.3
2024-04-24 13:00106.48.67.8721.420.016.3
2024-04-24 12:00101.45.18.4720.520.916.7
2024-04-24 11:0085.74.86.6716.220.014.6
2024-04-24 10:0073.54.04.1678.727.720.6
2024-04-24 09:0075.82.83.9783.329.122.4
2024-04-24 08:0063.45.62.2712.324.919.0
2024-04-24 07:0045.520.20.7622.918.112.2
2024-04-24 06:0059.38.41.3668.018.312.1
Remarks:

(1) Time shown is in Hong Kong time.

(2) Concentration shown is in microgram per cubic metre (µg/m3).

(3) Abbreviation:
NO2 - nitrogen dioxide, O3 - ozone,
SO2 - sulphur dioxide, CO - carbon monoxide,
PM10 - respirable suspended particulates,
PM2.5 - fine suspended particulates

(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: 05:07 25-04-2024