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Past 24 Hours Pollutant Concentration Summary

Sham Shui Po
Date TimeNO2O3SO2COPM10PM2.5
2021-01-23 23:0037.24.47.3-55.230.2
2021-01-23 22:0034.34.510.5-52.132.8
2021-01-23 21:0059.34.614.8-47.232.0
2021-01-23 20:0054.314.412.7-49.030.3
2021-01-23 19:0064.38.713.7-57.232.1
2021-01-23 18:0081.519.213.0-65.838.3
2021-01-23 17:0075.757.35.3-67.442.3
2021-01-23 16:0075.669.85.0-44.425.1
2021-01-23 15:0076.574.53.4-13.0-
2021-01-23 14:0074.850.02.7-2.8-
2021-01-23 13:0050.866.20.7-9.96.5
2021-01-23 12:0040.663.70.7-25.118.4
2021-01-23 11:0044.546.21.3-42.530.7
2021-01-23 10:0050.527.91.8-55.434.1
2021-01-23 09:0059.815.32.5-71.739.9
2021-01-23 08:0079.28.14.9-82.844.5
2021-01-23 07:00103.44.67.3-72.543.7
2021-01-23 06:00104.74.45.2-72.344.2
2021-01-23 05:0097.44.04.1-79.546.4
2021-01-23 04:00102.54.15.3-80.150.7
2021-01-23 03:00103.74.06.3-79.250.6
2021-01-23 02:00111.44.27.1-80.047.5
2021-01-23 01:00116.94.17.0-76.645.3
2021-01-23 00:00115.14.09.0-71.938.4
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.