Eastern
Date TimeNO2O3SO2COPM10PM2.5
2022-01-20 18:0062.878.32.4-44.021.1
2022-01-20 17:0054.882.82.4-39.420.4
2022-01-20 16:0058.176.31.8-31.515.6
2022-01-20 15:0046.582.91.3-23.614.1
2022-01-20 14:0045.684.61.4-21.816.9
2022-01-20 13:0034.287.71.4-30.620.0
2022-01-20 12:0042.777.51.7-33.019.4
2022-01-20 11:0046.771.01.4-30.118.4
2022-01-20 10:0052.749.11.2-23.415.5
2022-01-20 09:0058.137.31.3-21.614.3
2022-01-20 08:0055.834.12.1-27.914.4
2022-01-20 07:0039.447.91.4-28.313.0
2022-01-20 06:0022.866.21.6-24.010.8
2022-01-20 05:0016.678.31.8-16.39.1
2022-01-20 04:0016.467.61.2-12.88.1
2022-01-20 03:0022.649.91.0-15.59.4
2022-01-20 02:0029.447.01.0-15.911.6
2022-01-20 01:0033.146.50.9-19.614.3
2022-01-20 00:0034.651.41.0-23.613.9
2022-01-19 23:0037.255.31.1-23.111.9
2022-01-19 22:0034.868.81.1-18.911.0
2022-01-19 21:0050.256.50.8-18.911.7
2022-01-19 20:0063.647.50.5-23.611.6
2022-01-19 19:0062.250.70.3-24.514.2
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: 18:07 20-01-2022