Past 24 Hours Pollutant Concentration Summary

Eastern
Date TimeNO2O3SO2COPM10PM2.5
2020-01-19 21:0078.38.21.4-24.512.9
2020-01-19 20:0081.48.41.8---
2020-01-19 19:0079.815.61.6---
2020-01-19 18:0068.530.21.3-61.335.8
2020-01-19 17:0050.348.51.5-54.133.0
2020-01-19 16:0037.981.71.3-47.130.2
2020-01-19 15:0034.977.11.7-41.524.2
2020-01-19 14:0029.883.81.6-38.220.3
2020-01-19 13:0023.975.71.5-39.720.4
2020-01-19 12:0030.756.21.5-40.122.6
2020-01-19 11:0028.146.41.5-39.924.6
2020-01-19 10:0030.737.51.0-32.222.9
2020-01-19 09:0033.037.90.7-27.518.1
2020-01-19 08:0030.959.50.9-29.712.7
2020-01-19 07:0022.067.70.5-27.611.2
2020-01-19 06:0018.076.40.9-30.016.6
2020-01-19 05:0013.784.50.7-26.322.7
2020-01-19 04:0014.090.00.6-23.717.8
2020-01-19 03:0015.490.40.8-16.39.6
2020-01-19 02:0020.983.10.8-18.78.7
2020-01-19 01:0025.178.80.8-23.810.6
2020-01-19 00:0035.172.00.7-25.612.8
2020-01-18 23:0033.873.50.8-24.79.9
2020-01-18 22:0034.575.60.8-17.77.9
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.

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Last revision date:21:07 19-01-2020