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Past 24 Hours Pollutant Concentration Summary

Southern
Date TimeNO2O3SO2COPM10PM2.5
2022-10-06 02:0010.786.33.4205.231.910.9
2022-10-06 01:0014.287.13.5215.929.38.0
2022-10-06 00:0011.791.73.4228.135.513.9
2022-10-05 23:0012.394.93.6228.136.117.5
2022-10-05 22:0012.894.53.6232.131.813.8
2022-10-05 21:0018.389.13.7231.927.910.2
2022-10-05 20:0021.184.83.6250.625.47.9
2022-10-05 19:0018.489.73.8229.634.916.9
2022-10-05 18:0021.983.13.7220.635.919.3
2022-10-05 17:0023.677.54.4231.938.514.3
2022-10-05 16:0021.076.25.1231.640.615.2
2022-10-05 15:00-83.54.4243.6--
2022-10-05 14:0025.186.14.2246.5--
2022-10-05 13:00-87.33.9210.2--
2022-10-05 12:00-92.54.2252.8--
2022-10-05 11:00-81.23.9233.129.721.7
2022-10-05 10:0024.679.23.5248.728.621.2
2022-10-05 09:0022.371.93.8222.632.521.5
2022-10-05 08:0021.662.03.4252.733.524.3
2022-10-05 07:0015.657.13.3253.233.121.6
2022-10-05 06:0010.271.23.8222.328.714.6
2022-10-05 05:005.278.93.4202.528.716.9
2022-10-05 04:004.974.23.4229.532.221.1
2022-10-05 03:003.079.13.0213.634.324.6
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.