Past 24 Hours Pollutant Concentration Summary

Tung Chung
Date TimeNO2O3SO2COPM10PM2.5
2020-01-19 20:0058.62.011.71,084.352.335.5
2020-01-19 19:0064.52.87.31,095.255.336.4
2020-01-19 18:0055.49.810.11,009.256.137.6
2020-01-19 17:0049.019.38.11,068.763.641.0
2020-01-19 16:0044.927.56.91,013.970.643.5
2020-01-19 15:0046.125.310.71,053.769.642.2
2020-01-19 14:0047.822.57.71,054.061.633.8
2020-01-19 13:0043.219.57.9959.352.429.0
2020-01-19 12:0030.824.78.4887.746.726.8
2020-01-19 11:0032.720.34.7903.042.525.4
2020-01-19 10:0036.316.25.9847.835.722.8
2020-01-19 09:0032.424.07.5779.529.018.8
2020-01-19 08:0032.234.73.3707.624.315.0
2020-01-19 07:0031.842.66.2662.022.214.2
2020-01-19 06:0018.658.36.9648.621.513.4
2020-01-19 05:0014.470.82.7677.421.212.5
2020-01-19 04:0026.355.56.5636.720.011.5
2020-01-19 03:0026.255.87.5673.619.311.6
2020-01-19 02:0029.054.34.0729.220.311.5
2020-01-19 01:0029.156.44.7686.621.412.9
2020-01-19 00:0026.259.66.1706.221.813.9
2020-01-18 23:0032.556.56.6755.620.212.9
2020-01-18 22:0039.037.62.8827.224.617.3
2020-01-18 21:0060.28.47.0872.829.721.2
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:20:07 19-01-2020