Southern
Date TimeNO2O3SO2COPM10PM2.5
2021-06-15 20:0023.239.42.6209.420.418.0
2021-06-15 19:0026.439.72.8217.020.6-
2021-06-15 18:0030.236.23.7205.125.110.3
2021-06-15 17:0028.243.44.2205.518.66.5
2021-06-15 16:0026.351.55.0187.314.95.2
2021-06-15 15:0024.160.04.0182.512.77.9
2021-06-15 14:0027.353.14.0178.315.48.3
2021-06-15 13:0030.641.86.6209.219.74.2
2021-06-15 12:0024.746.74.7242.717.32.4
2021-06-15 11:0031.238.96.8258.014.86.6
2021-06-15 10:0024.439.74.9273.316.59.4
2021-06-15 09:0033.227.84.4287.616.98.3
2021-06-15 08:0035.026.43.9323.717.75.6
2021-06-15 07:0024.235.04.3240.817.94.9
2021-06-15 06:0020.738.13.9241.913.94.5
2021-06-15 05:0010.049.23.5231.813.44.7
2021-06-15 04:0021.639.94.9231.113.63.8
2021-06-15 03:0040.121.36.1219.812.16.0
2021-06-15 02:0015.244.64.1214.114.19.2
2021-06-15 01:0027.933.44.6235.410.53.4
2021-06-15 00:0022.137.04.3222.311.12.7
2021-06-14 23:0021.139.34.1225.015.55.7
2021-06-14 22:0041.020.35.3225.215.66.6
2021-06-14 21:0041.419.15.7245.019.43.4
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: 20:07 15-06-2021