Central/Western
Date TimeNO2O3SO2COPM10PM2.5
2020-10-01 09:0021.957.34.9-17.310.1
2020-10-01 08:0017.857.25.1-16.39.7
2020-10-01 07:0015.157.45.3-20.912.0
2020-10-01 06:0012.358.35.1-22.513.5
2020-10-01 05:008.964.04.2-19.610.9
2020-10-01 04:008.968.94.5-18.29.6
2020-10-01 03:0011.367.54.1-18.19.7
2020-10-01 02:0012.1-4.3-16.610.3
2020-10-01 01:0012.872.13.7-10.68.0
2020-10-01 00:0021.665.33.3-5.5-
2020-09-30 23:0030.958.54.9-5.25.1
2020-09-30 22:0072.324.76.3-5.4-
2020-09-30 21:0029.256.34.6-13.811.7
2020-09-30 20:0050.942.25.3-19.213.2
2020-09-30 19:0031.867.16.0-21.114.7
2020-09-30 18:0038.269.35.0-19.413.5
2020-09-30 17:0036.064.56.1-19.013.1
2020-09-30 16:0043.055.36.1-19.212.7
2020-09-30 15:0043.057.05.6-16.412.1
2020-09-30 14:0042.050.64.6-16.512.2
2020-09-30 13:0040.160.75.5-17.711.6
2020-09-30 12:0038.067.04.1-19.312.8
2020-09-30 11:0047.051.93.6-17.112.5
2020-09-30 10:0043.947.44.0-14.710.9
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: 09:07 01-10-2020