Central/Western
Date TimeNO2O3SO2COPM10PM2.5
2022-05-28 18:0014.444.61.1-14.29.3
2022-05-28 17:0012.248.31.1-12.06.9
2022-05-28 16:0010.451.90.9-12.07.1
2022-05-28 15:009.254.50.7-13.07.8
2022-05-28 14:006.958.90.6-12.37.5
2022-05-28 13:006.761.50.6-12.27.5
2022-05-28 12:0015.651.40.9-13.27.9
2022-05-28 11:0014.249.60.8-13.58.2
2022-05-28 10:0023.641.00.9-14.59.5
2022-05-28 09:0015.946.80.9-14.29.1
2022-05-28 08:0011.950.00.9-13.58.5
2022-05-28 07:007.252.21.0-12.67.3
2022-05-28 06:006.455.41.0-10.15.2
2022-05-28 05:006.857.01.1-11.87.2
2022-05-28 04:007.264.41.1-14.08.3
2022-05-28 03:009.263.11.1-16.410.4
2022-05-28 02:0011.759.31.1-15.09.7
2022-05-28 01:0013.058.41.0-13.07.5
2022-05-28 00:0010.063.40.9-12.47.4
2022-05-27 23:0014.656.61.1-14.38.9
2022-05-27 22:0013.955.61.0-16.510.1
2022-05-27 21:0016.952.21.1-17.910.7
2022-05-27 20:0013.454.01.0-15.58.5
2022-05-27 19:0013.554.01.1-15.28.6
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 28-05-2022