Past 24 Hours Pollutant Concentration Summary

Sha Tin
Date TimeNO2O3SO2COPM10PM2.5
2019-02-22 20:0054.864.86.0-52.233.2
2019-02-22 19:00113.145.010.6-57.835.8
2019-02-22 18:0096.355.88.9-48.028.0
2019-02-22 17:0057.482.25.8-18.28.1
2019-02-22 16:0023.4119.14.9-23.112.5
2019-02-22 15:0025.5121.35.2-26.215.5
2019-02-22 14:0025.690.24.8-19.310.0
2019-02-22 13:0021.863.14.5-25.116.3
2019-02-22 12:0023.838.74.7-14.86.0
2019-02-22 11:0020.518.14.4-13.06.7
2019-02-22 10:0023.010.04.1-11.35.3
2019-02-22 09:0025.85.94.0-18.011.6
2019-02-22 08:0027.94.43.9-18.712.9
2019-02-22 07:0031.93.94.1-17.312.4
2019-02-22 06:0034.23.94.0-16.39.6
2019-02-22 05:0035.63.94.5-21.111.8
2019-02-22 04:0038.23.64.9-20.811.5
2019-02-22 03:0041.73.84.8-22.413.1
2019-02-22 02:0046.25.73.9-25.013.8
2019-02-22 01:0036.629.63.4-26.414.9
2019-02-22 00:0045.514.03.6-23.813.9
2019-02-21 23:0031.545.93.5-17.58.9
2019-02-21 22:0039.341.23.3-20.412.2
2019-02-21 21:0040.745.93.2-20.814.1
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 22-02-2019