Past 24 Hours Pollutant Concentration Summary

Sham Shui Po
Date TimeNO2O3SO2COPM10PM2.5
2019-07-21 04:0025.227.94.7-7.31.9
2019-07-21 03:0032.126.14.6-10.36.4
2019-07-21 02:0035.022.04.6-13.711.6
2019-07-21 01:0051.28.45.1-14.711.6
2019-07-21 00:0046.011.74.5-11.55.5
2019-07-20 23:0038.318.84.5-10.52.1
2019-07-20 22:0035.024.04.8-16.27.1
2019-07-20 21:0054.79.94.9-23.512.9
2019-07-20 20:0069.32.75.5-23.215.1
2019-07-20 19:0071.73.84.8-25.514.8
2019-07-20 18:0062.77.84.7-39.216.3
2019-07-20 17:0066.86.65.6-40.216.7
2019-07-20 16:0074.15.55.0-30.315.2
2019-07-20 15:0073.07.54.7-29.714.2
2019-07-20 14:0062.514.84.6-28.810.3
2019-07-20 13:0037.628.54.9-24.78.6
2019-07-20 12:0031.837.35.5-26.79.5
2019-07-20 11:0028.440.35.5-28.312.5
2019-07-20 10:0041.525.65.4-22.712.7
2019-07-20 09:0047.614.35.6-21.69.7
2019-07-20 08:0041.311.85.4-26.310.7
2019-07-20 07:0033.715.15.2-25.211.3
2019-07-20 06:0037.511.15.0-21.410.9
2019-07-20 05:0026.219.45.5-18.49.7
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 21-07-2019