Southern
Date TimeNO2O3SO2COPM10PM2.5
2022-01-25 01:0019.867.51.0533.722.210.3
2022-01-25 00:0018.268.31.1526.019.75.9
2022-01-24 23:0029.757.61.2545.212.95.1
2022-01-24 22:0023.264.51.0486.49.57.6
2022-01-24 21:0025.164.81.0539.817.414.0
2022-01-24 20:0028.068.81.1559.923.117.2
2022-01-24 19:0030.567.41.2633.024.620.8
2022-01-24 18:0037.268.51.6-18.514.1
2022-01-24 17:0035.071.81.4-16.19.5
2022-01-24 16:0035.364.71.4-19.57.1
2022-01-24 15:0029.271.71.5-12.65.8
2022-01-24 14:0026.377.31.5603.56.0-
2022-01-24 13:0024.269.51.7593.211.17.0
2022-01-24 12:0025.559.72.0554.118.911.2
2022-01-24 11:0048.734.04.5685.225.316.7
2022-01-24 10:0057.116.94.0711.829.017.0
2022-01-24 09:0057.69.53.1772.523.418.0
2022-01-24 08:0058.45.04.0771.017.816.0
2022-01-24 07:0062.13.03.3796.214.89.6
2022-01-24 06:0054.62.92.8722.711.2-
2022-01-24 05:00-2.92.4706.410.6-
2022-01-24 04:0057.22.92.3713.920.013.0
2022-01-24 03:0067.12.94.2660.824.414.5
2022-01-24 02:0085.33.15.6607.422.113.8
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: 01:07 25-01-2022