Southern
Date TimeNO2O3SO2COPM10PM2.5
2022-01-27 07:0025.276.80.8640.722.418.6
2022-01-27 06:0014.690.31.1602.222.616.7
2022-01-27 05:0013.087.41.0577.216.416.3
2022-01-27 04:009.586.40.7594.214.510.0
2022-01-27 03:0011.684.80.8608.218.66.0
2022-01-27 02:0011.790.51.0634.621.76.3
2022-01-27 01:0014.098.10.8618.424.513.4
2022-01-27 00:0017.7101.51.0614.625.616.1
2022-01-26 23:0018.1103.11.2624.231.818.9
2022-01-26 22:0037.185.61.4650.637.020.7
2022-01-26 21:0050.567.11.6731.237.316.2
2022-01-26 20:0041.576.12.6673.729.517.3
2022-01-26 19:0044.373.42.8652.119.413.1
2022-01-26 18:0030.184.91.5563.817.98.8
2022-01-26 17:0029.380.11.4528.125.011.0
2022-01-26 16:0033.878.11.4543.127.312.4
2022-01-26 15:0026.382.91.5522.924.115.0
2022-01-26 14:0025.380.51.5514.926.416.2
2022-01-26 13:0024.574.51.0524.532.821.0
2022-01-26 12:00------
2022-01-26 11:00------
2022-01-26 10:0023.355.40.8572.322.916.8
2022-01-26 09:0027.950.30.8614.719.915.0
2022-01-26 08:0029.652.00.7607.323.221.4
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: 07:07 27-01-2022