Kwai Chung
Date TimeNO2O3SO2COPM10PM2.5
2022-01-20 18:0063.163.97.5-27.618.0
2022-01-20 17:0044.780.77.2-27.918.6
2022-01-20 16:0054.779.17.4-27.619.2
2022-01-20 15:0050.281.77.2-20.413.9
2022-01-20 14:0039.487.47.3-22.217.0
2022-01-20 13:0046.772.07.7-22.916.6
2022-01-20 12:0055.157.48.1-22.915.4
2022-01-20 11:0056.143.58.3-25.317.7
2022-01-20 10:0070.926.79.1-28.420.1
2022-01-20 09:0076.718.38.5-24.117.9
2022-01-20 08:0063.024.87.8-22.316.8
2022-01-20 07:0039.237.57.7-20.614.9
2022-01-20 06:0022.953.67.7-18.814.3
2022-01-20 05:0020.053.56.9-16.812.7
2022-01-20 04:00----16.813.2
2022-01-20 03:0020.747.76.6-15.611.5
2022-01-20 02:0020.949.86.8-14.910.6
2022-01-20 01:00----20.014.4
2022-01-20 00:0041.841.47.5-24.817.2
2022-01-19 23:0041.053.17.5-27.115.6
2022-01-19 22:0052.851.47.5-32.719.1
2022-01-19 21:0068.857.38.9-39.226.6
2022-01-19 20:00154.513.712.8-44.430.2
2022-01-19 19:00145.038.814.1-45.829.7
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: 18:07 20-01-2022