EPD

Back Home

Past 24 Hours Pollutant Concentration Summary

Tap Mun
Date TimeNO2O3SO2COPM10PM2.5
2022-09-27 09:004.971.310.0699.322.011.2
2022-09-27 08:005.767.310.5673.319.09.2
2022-09-27 07:007.368.810.0663.020.110.3
2022-09-27 06:007.667.710.6682.217.88.1
2022-09-27 05:005.277.010.5666.819.97.1
2022-09-27 04:004.584.610.1659.225.310.1
2022-09-27 03:005.085.810.1691.921.98.8
2022-09-27 02:005.799.612.1715.023.811.2
2022-09-27 01:00----26.812.9
2022-09-27 00:007.096.710.2732.925.811.1
2022-09-26 23:005.299.39.5708.824.58.6
2022-09-26 22:005.7102.29.4722.222.78.0
2022-09-26 21:003.2103.79.4702.726.512.2
2022-09-26 20:002.7126.79.5707.727.412.9
2022-09-26 19:002.0124.69.3702.925.712.1
2022-09-26 18:004.6132.99.3695.930.715.9
2022-09-26 17:003.0161.210.5762.832.116.3
2022-09-26 16:005.9159.410.6775.535.918.1
2022-09-26 15:006.2154.711.0782.135.419.0
2022-09-26 14:003.6162.911.4771.736.320.0
2022-09-26 13:005.6166.612.0786.634.518.6
2022-09-26 12:006.5162.712.1730.535.017.8
2022-09-26 11:009.5145.113.1782.137.518.4
2022-09-26 10:008.8124.311.3796.533.913.0
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.