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Date TimeNO2O3SO2COPM10PM2.5
2024-04-27 12:0021.132.63.0-21.213.2
2024-04-27 11:0021.632.83.1-26.417.4
2024-04-27 10:0030.525.43.5-31.622.2
2024-04-27 09:0044.810.13.5-30.519.9
2024-04-27 08:0039.510.63.7-26.114.6
2024-04-27 07:0030.87.43.1-26.814.6
2024-04-27 06:0026.78.72.8-25.513.7
2024-04-27 05:0023.012.72.8-23.612.6
2024-04-27 04:0022.014.72.8-23.213.1
2024-04-27 03:0028.010.62.9-24.713.7
2024-04-27 02:0026.010.52.9-21.811.3
2024-04-27 01:0030.910.22.7-21.712.1
2024-04-27 00:0023.222.02.8-23.614.5
2024-04-26 23:0026.621.42.8-20.011.2
2024-04-26 22:0025.124.33.0-25.914.6
2024-04-26 21:0045.72.03.8-32.419.3
2024-04-26 20:0047.31.84.7-36.922.2
2024-04-26 19:0055.32.44.9-32.819.4
2024-04-26 18:0067.53.65.1-28.516.9
2024-04-26 17:0079.36.94.0-17.812.8
2024-04-26 16:0048.137.43.0-13.712.1
2024-04-26 15:0030.662.12.9-13.912.0
2024-04-26 14:0056.140.03.2-13.212.5
2024-04-26 13:0061.828.93.0-9.68.4
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: 12:07 27-04-2024