Central/Western
Date TimeNO2O3SO2COPM10PM2.5
2021-06-15 20:0019.940.15.6-15.16.4
2021-06-15 19:0014.446.25.7-13.55.5
2021-06-15 18:0014.847.15.7-16.07.3
2021-06-15 17:0011.855.65.6-14.15.1
2021-06-15 16:0013.763.35.7-15.56.6
2021-06-15 15:0011.466.95.6-13.96.2
2021-06-15 14:0014.064.45.2-10.66.7
2021-06-15 13:0015.153.85.3-14.56.5
2021-06-15 12:0036.236.714.0-12.85.3
2021-06-15 11:0020.845.710.1-11.44.4
2021-06-15 10:0019.139.16.7-11.35.9
2021-06-15 09:0017.838.85.9-10.65.3
2021-06-15 08:0012.943.04.6-9.34.4
2021-06-15 07:0015.640.84.6-12.05.4
2021-06-15 06:007.049.24.4-10.95.5
2021-06-15 05:003.354.14.8-11.66.2
2021-06-15 04:00-50.7--9.84.9
2021-06-15 03:008.348.54.3-9.74.7
2021-06-15 02:003.553.64.1-10.14.6
2021-06-15 01:0011.046.74.2-12.05.8
2021-06-15 00:0014.441.84.2-8.34.2
2021-06-14 23:0010.846.04.1-9.54.4
2021-06-14 22:0014.242.24.0-11.25.3
2021-06-14 21:0010.447.14.0-14.07.4
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: 20:07 15-06-2021