Past 24 Hours Pollutant Concentration Summary

Sha Tin
Date TimeNO2O3SO2COPM10PM2.5
2018-02-22 22:0029.18.93.4-6.51.6
2018-02-22 21:0032.17.63.4-6.10.7
2018-02-22 20:0031.09.53.3-5.61.6
2018-02-22 19:0024.815.22.9-4.13.6
2018-02-22 18:00----4.7-
2018-02-22 17:0029.912.03.8-7.61.1
2018-02-22 16:0023.117.73.7-15.0-
2018-02-22 15:0022.020.33.7-13.6-
2018-02-22 14:0021.920.53.8-2.52.1
2018-02-22 13:0027.917.03.4-5.0-
2018-02-22 12:0030.516.33.5-4.4-
2018-02-22 11:0029.222.13.4-8.04.9
2018-02-22 10:0031.242.63.0-16.18.1
2018-02-22 09:0044.235.73.2-27.514.1
2018-02-22 08:0033.945.33.6-33.917.9
2018-02-22 07:0017.965.33.8-23.017.6
2018-02-22 06:0012.670.54.0-22.615.1
2018-02-22 05:0012.366.24.5-27.812.5
2018-02-22 04:0010.870.54.9-26.69.4
2018-02-22 03:009.181.64.0-22.69.8
2018-02-22 02:008.881.73.7-20.511.9
2018-02-22 01:00----18.29.1
2018-02-22 00:0016.879.73.5-17.78.8
2018-02-21 23:0016.581.42.9-12.98.9
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:22:05 22-02-2018