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Mong Kok
Date TimeNO2O3SO2COPM10PM2.5
2024-04-20 17:0073.012.44.8472.927.517.9
2024-04-20 16:0072.215.24.8474.027.917.6
2024-04-20 15:0074.912.94.1470.829.119.3
2024-04-20 14:0081.513.94.2464.225.517.4
2024-04-20 13:0069.519.54.1384.325.917.2
2024-04-20 12:0086.114.46.7453.623.514.3
2024-04-20 11:0068.115.23.6403.622.013.4
2024-04-20 10:0063.514.23.2398.121.814.7
2024-04-20 09:0059.314.83.0396.724.218.0
2024-04-20 08:0050.518.62.4358.218.913.1
2024-04-20 07:0045.120.72.1353.317.112.1
2024-04-20 06:0032.628.31.8390.315.010.5
2024-04-20 05:0028.733.01.7394.216.111.2
2024-04-20 04:0031.929.11.8427.416.411.3
2024-04-20 03:0031.027.71.8376.917.812.4
2024-04-20 02:0034.526.21.9443.018.913.0
2024-04-20 01:0042.420.42.0454.820.914.4
2024-04-20 00:0050.414.12.5483.723.417.0
2024-04-19 23:0055.110.03.0559.919.713.7
2024-04-19 22:0054.913.02.6488.824.617.8
2024-04-19 21:0056.813.03.1646.030.221.9
2024-04-19 20:0057.515.62.9526.730.222.1
2024-04-19 19:0065.610.83.5490.924.817.4
2024-04-19 18:0075.010.54.3530.023.515.6
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: 17:07 20-04-2024