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Tuen Mun
Date TimeNO2O3SO2COPM10PM2.5
2024-03-19 14:0043.4114.33.6908.931.917.2
2024-03-19 13:0046.084.33.3961.221.415.1
2024-03-19 12:0046.942.13.6976.917.110.2
2024-03-19 11:0043.025.83.5947.816.014.8
2024-03-19 10:0049.315.13.7942.814.19.2
2024-03-19 09:0033.727.13.2895.04.3-
2024-03-19 08:0025.829.03.1842.726.219.7
2024-03-19 07:0039.735.22.8703.238.623.9
2024-03-19 06:0021.059.32.9670.740.022.1
2024-03-19 05:0015.962.32.8602.536.120.1
2024-03-19 04:0013.665.72.8600.437.023.9
2024-03-19 03:0014.268.42.8590.333.120.1
2024-03-19 02:0014.566.32.8599.334.027.7
2024-03-19 01:0031.458.63.0637.937.922.2
2024-03-19 00:0036.759.13.1648.731.222.0
2024-03-18 23:0037.359.83.0666.928.126.8
2024-03-18 22:0037.461.42.9682.133.828.0
2024-03-18 21:0059.144.53.3684.335.025.1
2024-03-18 20:0057.648.73.3675.041.826.9
2024-03-18 19:0086.127.13.9689.441.027.0
2024-03-18 18:0079.832.04.3670.747.824.1
2024-03-18 17:0080.328.15.0650.640.322.1
2024-03-18 16:0055.747.74.1608.925.518.1
2024-03-18 15:0042.957.13.4625.427.922.8
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.

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Last revision date: 14:07 19-03-2024