Kwai Chung
Date TimeNO2O3SO2COPM10PM2.5
2023-09-23 12:0044.045.74.9-16.410.7
2023-09-23 11:0045.535.95.4-15.09.9
2023-09-23 10:0033.340.75.3-13.18.5
2023-09-23 09:0041.032.95.7-16.612.1
2023-09-23 08:0043.334.55.9-16.812.4
2023-09-23 07:0031.051.25.5-17.213.3
2023-09-23 06:0014.060.25.1-14.310.2
2023-09-23 05:0012.862.04.7-12.79.1
2023-09-23 04:0015.560.94.6-15.311.5
2023-09-23 03:0019.466.34.4-13.09.2
2023-09-23 02:0020.872.64.4-15.912.0
2023-09-23 01:0028.069.04.2-15.511.4
2023-09-23 00:0019.481.04.4-18.314.2
2023-09-22 23:0024.681.34.6-18.013.6
2023-09-22 22:0025.483.93.6-21.116.6
2023-09-22 21:0029.290.54.3-25.219.2
2023-09-22 20:0054.177.94.8-23.517.5
2023-09-22 19:0069.575.34.7-25.019.2
2023-09-22 18:0071.876.54.8-30.122.0
2023-09-22 17:00109.238.310.5-30.520.9
2023-09-22 16:00128.220.715.6-24.217.1
2023-09-22 15:0090.149.88.4-23.015.4
2023-09-22 14:0089.246.211.0-25.316.6
2023-09-22 13:0087.244.49.8-26.918.4
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: 12:07 23-09-2023