Kwun Tong
Date TimeNO2O3SO2COPM10PM2.5
2022-06-28 04:0026.728.45.4-5.83.0
2022-06-28 03:0020.833.75.3-9.84.0
2022-06-28 02:0030.223.15.4-9.06.7
2022-06-28 01:0034.716.35.5-9.98.0
2022-06-28 00:0042.713.05.8-10.04.4
2022-06-27 23:0040.611.95.6-6.25.0
2022-06-27 22:0042.011.76.0-8.96.7
2022-06-27 21:0038.410.96.0-12.85.1
2022-06-27 20:0037.511.85.7-20.64.2
2022-06-27 19:0036.315.05.9-11.53.1
2022-06-27 18:0042.217.96.2-11.05.9
2022-06-27 17:0041.119.46.5-12.05.9
2022-06-27 16:0029.424.16.0-11.06.0
2022-06-27 15:0025.329.45.6-21.58.9
2022-06-27 14:0050.420.66.7-9.65.2
2022-06-27 13:0056.518.96.7-10.95.0
2022-06-27 12:0044.121.65.8-12.97.8
2022-06-27 11:0033.820.75.5-12.06.9
2022-06-27 10:0033.519.95.4-10.16.0
2022-06-27 09:0038.514.26.0-10.06.0
2022-06-27 08:0040.311.06.3-5.24.2
2022-06-27 07:0036.212.16.1-0.2-
2022-06-27 06:0021.917.55.4-1.0-
2022-06-27 05:0013.822.55.6-0.0-
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: 04:07 28-06-2022