Past 24 Hours Pollutant Concentration Summary

Eastern
Date TimeNO2O3SO2COPM10PM2.5
2019-09-16 04:0028.264.71.3-21.417.2
2019-09-16 03:0014.793.81.8-29.118.3
2019-09-16 02:0021.584.93.8-26.515.7
2019-09-16 01:0022.290.73.0-23.615.6
2019-09-16 00:0036.267.72.3-23.015.1
2019-09-15 23:0022.095.42.5-22.812.5
2019-09-15 22:0024.783.01.7-18.18.1
2019-09-15 21:0026.686.51.7-16.112.4
2019-09-15 20:0014.7108.82.0-22.718.7
2019-09-15 19:0024.892.91.4-23.914.0
2019-09-15 18:0028.991.61.3-26.410.9
2019-09-15 17:0025.091.61.5-29.310.9
2019-09-15 16:0023.291.91.6-27.715.1
2019-09-15 15:0018.0100.11.7-26.118.9
2019-09-15 14:0021.583.71.8-24.918.6
2019-09-15 13:0018.198.72.0-24.422.7
2019-09-15 12:0021.180.02.5-21.921.5
2019-09-15 11:0038.956.51.6-19.718.5
2019-09-15 10:0023.278.91.2-21.514.2
2019-09-15 09:0032.277.50.8-26.316.7
2019-09-15 08:0027.685.41.0-28.823.4
2019-09-15 07:0020.279.42.5-30.623.9
2019-09-15 06:0018.295.63.3-29.926.4
2019-09-15 05:0013.7108.03.3-25.924.4
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.

Last revision date:04:07 16-09-2019