Southern
Date TimeNO2O3SO2COPM10PM2.5
2024-05-08 03:005.983.70.3610.719.516.2
2024-05-08 02:007.094.40.4596.220.612.2
2024-05-08 01:009.696.80.3613.416.08.0
2024-05-08 00:0010.797.60.3634.114.110.6
2024-05-07 23:008.399.80.6616.816.114.6
2024-05-07 22:0010.7101.40.4606.820.313.9
2024-05-07 21:0018.098.20.0605.319.97.9
2024-05-07 20:0021.993.30.3621.325.59.6
2024-05-07 19:0016.6105.20.4602.035.819.0
2024-05-07 18:0020.0102.90.4607.346.626.4
2024-05-07 17:0033.994.01.8637.654.532.2
2024-05-07 16:0024.0110.50.5616.340.929.3
2024-05-07 15:0023.1137.50.0607.335.321.3
2024-05-07 14:0049.0128.33.4665.540.318.8
2024-05-07 13:0072.585.49.8719.137.518.6
2024-05-07 12:00105.147.312.1785.445.326.2
2024-05-07 11:00101.237.411.6832.547.928.7
2024-05-07 10:00103.324.09.3941.437.321.2
2024-05-07 09:0084.827.76.1894.527.712.6
2024-05-07 08:0070.917.94.8885.231.014.3
2024-05-07 07:0037.215.42.3733.829.917.0
2024-05-07 06:0019.824.91.9651.129.215.6
2024-05-07 05:0022.731.42.2648.930.515.3
2024-05-07 04:0020.435.62.1638.624.210.6
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.

Last revision date: 03:07 08-05-2024