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Past 24 Hours Pollutant Concentration Summary

Tuen Mun
Date TimeNO2O3SO2COPM10PM2.5
2022-11-27 14:0034.675.32.5729.937.117.2
2022-11-27 13:0025.779.52.1688.833.110.2
2022-11-27 12:0020.579.91.9671.222.27.1
2022-11-27 11:0018.974.41.8669.219.110.9
2022-11-27 10:0025.663.31.6715.215.17.1
2022-11-27 09:0016.671.01.6692.213.08.0
2022-11-27 08:0015.768.51.5715.617.99.0
2022-11-27 07:0011.472.91.7692.414.16.1
2022-11-27 06:0012.568.01.8671.617.06.0
2022-11-27 05:008.272.21.8626.512.19.0
2022-11-27 04:007.774.51.9618.218.99.0
2022-11-27 03:009.471.81.9637.79.28.0
2022-11-27 02:0013.967.02.1631.215.96.0
2022-11-27 01:0013.968.52.0602.114.05.0
2022-11-27 00:0015.162.51.8598.610.10.1
2022-11-26 23:0029.040.61.9644.411.03.0
2022-11-26 22:0032.137.52.0658.812.05.0
2022-11-26 21:0047.123.92.6724.919.79.9
2022-11-26 20:0066.78.23.7790.634.813.9
2022-11-26 19:0069.67.83.6792.028.16.1
2022-11-26 18:0068.28.33.8784.224.18.0
2022-11-26 17:0063.612.53.2787.637.59.0
2022-11-26 16:0064.912.72.9785.518.78.0
2022-11-26 15:0050.129.92.0764.918.09.0
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.