Kwai Chung
Date TimeNO2O3SO2COPM10PM2.5
2021-06-20 05:0054.313.211.6-20.110.0
2021-06-20 04:00----21.511.1
2021-06-20 03:0059.78.011.3-20.69.7
2021-06-20 02:0058.710.111.1-24.614.1
2021-06-20 01:0063.12.911.1-23.613.1
2021-06-20 00:0051.49.68.6-21.510.8
2021-06-19 23:0053.19.49.0-21.911.4
2021-06-19 22:0055.48.310.6-23.812.8
2021-06-19 21:0066.22.710.6-25.613.9
2021-06-19 20:0065.54.110.7-26.014.1
2021-06-19 19:0063.46.48.3-23.711.9
2021-06-19 18:0047.921.26.2-20.39.3
2021-06-19 17:0047.028.96.4-24.412.8
2021-06-19 16:0051.929.98.1-22.110.7
2021-06-19 15:0063.023.19.8-21.010.5
2021-06-19 14:0068.118.09.5-23.112.5
2021-06-19 13:0064.322.59.6-22.913.1
2021-06-19 12:0066.122.69.8-23.113.8
2021-06-19 11:0069.715.210.7-22.213.3
2021-06-19 10:0070.813.011.7-20.411.5
2021-06-19 09:0070.710.17.9-18.810.9
2021-06-19 08:0056.613.57.5-21.912.8
2021-06-19 07:0050.511.97.8-21.512.8
2021-06-19 06:0048.810.98.8-23.314.3
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.

Last revision date: 05:07 20-06-2021