Central/Western
Date TimeNO2O3SO2COPM10PM2.5
2023-04-02 19:0024.395.21.9-31.625.4
2023-04-02 18:0029.986.21.8-30.825.7
2023-04-02 17:0029.781.41.8-25.322.7
2023-04-02 16:0031.878.51.8-23.220.2
2023-04-02 15:0034.673.31.8-25.619.8
2023-04-02 14:0035.463.51.8-26.319.0
2023-04-02 13:0037.757.81.8-28.019.2
2023-04-02 12:0034.063.21.8-23.616.2
2023-04-02 11:0036.958.91.7-16.114.1
2023-04-02 10:0024.564.21.5-12.710.7
2023-04-02 09:0024.164.51.6-19.112.3
2023-04-02 08:0024.967.81.7-23.117.8
2023-04-02 07:0019.075.81.8-26.724.3
2023-04-02 06:0014.885.51.7-24.920.5
2023-04-02 05:0015.085.61.8-25.019.5
2023-04-02 04:0012.389.11.7-23.115.7
2023-04-02 03:0021.176.82.0-18.214.9
2023-04-02 02:00-77.4--12.011.6
2023-04-02 01:0033.768.81.6-16.214.5
2023-04-02 00:0032.971.71.6-19.914.5
2023-04-01 23:0035.475.71.7-28.821.5
2023-04-01 22:0035.082.91.9-32.328.2
2023-04-01 21:0036.585.12.1-36.832.4
2023-04-01 20:0045.180.81.9-36.631.8
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: 19:07 02-04-2023