Central/Western
Date TimeNO2O3SO2COPM10PM2.5
2023-09-27 22:0023.467.43.9-16.411.8
2023-09-27 21:0022.765.53.8-14.911.6
2023-09-27 20:0018.469.34.0-13.010.8
2023-09-27 19:0033.061.93.8-14.411.7
2023-09-27 18:0033.577.34.2-12.810.0
2023-09-27 17:0026.299.53.9-17.111.9
2023-09-27 16:0034.484.13.8-11.87.6
2023-09-27 15:0027.776.04.3-10.47.1
2023-09-27 14:0030.0-4.1-12.08.9
2023-09-27 13:0028.5-4.4-12.27.0
2023-09-27 12:0032.0-5.2-10.25.4
2023-09-27 11:0033.278.14.1-16.510.2
2023-09-27 10:0033.961.53.4-15.910.7
2023-09-27 09:0031.353.73.4-10.46.4
2023-09-27 08:0030.147.23.8-9.66.5
2023-09-27 07:0021.651.13.2-9.25.5
2023-09-27 06:0010.659.93.1-10.56.5
2023-09-27 05:008.566.93.2-11.37.1
2023-09-27 04:007.472.63.3-12.77.9
2023-09-27 03:008.079.23.1-14.89.1
2023-09-27 02:0011.574.63.6-13.28.4
2023-09-27 01:00-72.9--9.95.8
2023-09-27 00:0016.475.43.1-12.68.6
2023-09-26 23:0023.771.53.2-15.211.3
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: 22:07 27-09-2023