Past 24 Hours Pollutant Concentration Summary

Central/Western
Date TimeNO2O3SO2COPM10PM2.5
2018-12-13 14:0051.0-1.4-36.925.7
2018-12-13 13:0049.5-2.8-38.926.4
2018-12-13 12:0046.0-3.3-39.225.8
2018-12-13 11:0043.3-4.0-38.825.1
2018-12-13 10:0042.2-3.9-41.028.1
2018-12-13 09:0040.0-4.1-37.725.6
2018-12-13 08:0039.1-3.2-32.624.3
2018-12-13 07:0035.6-2.2-31.824.8
2018-12-13 06:0032.8-2.6-30.022.7
2018-12-13 05:0030.2-2.0-27.320.9
2018-12-13 04:0034.75.22.0-27.720.7
2018-12-13 03:0036.45.52.0-27.320.1
2018-12-13 02:0036.37.62.0-26.920.2
2018-12-13 01:0041.74.92.3-27.920.8
2018-12-13 00:00----27.920.5
2018-12-12 23:0050.42.02.9-29.720.4
2018-12-12 22:0052.42.42.8-29.718.2
2018-12-12 21:0056.03.62.5-29.516.2
2018-12-12 20:0061.35.92.3-34.317.4
2018-12-12 19:0064.97.32.4-34.216.1
2018-12-12 18:0063.913.32.3-37.518.3
2018-12-12 17:0065.111.44.7-36.919.2
2018-12-12 16:0052.615.92.6-31.217.6
2018-12-12 15:0045.615.32.6-28.015.8
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:14:07 13-12-2018