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Tsuen Wan
Date TimeNO2O3SO2COPM10PM2.5
2024-03-19 09:0046.213.62.11,135.79.87.7
2024-03-19 08:0044.617.71.81,070.211.29.4
2024-03-19 07:0041.636.81.3881.118.814.8
2024-03-19 06:0015.064.31.1735.522.117.1
2024-03-19 05:0011.977.91.2724.126.319.7
2024-03-19 04:0011.377.31.4710.227.318.3
2024-03-19 03:0012.480.62.1733.728.517.2
2024-03-19 02:0018.480.32.6757.928.317.5
2024-03-19 01:00----26.217.4
2024-03-19 00:0028.972.11.2789.926.318.5
2024-03-18 23:0031.873.81.1824.024.619.0
2024-03-18 22:0037.870.01.1848.028.223.4
2024-03-18 21:0033.777.21.2857.628.523.4
2024-03-18 20:0037.077.11.2867.726.220.4
2024-03-18 19:0041.576.41.2870.324.517.7
2024-03-18 18:0041.275.71.3851.224.616.0
2024-03-18 17:0044.867.91.4852.523.114.7
2024-03-18 16:0034.074.91.3795.921.015.0
2024-03-18 15:0033.870.71.5820.617.613.2
2024-03-18 14:0034.370.21.4810.319.014.0
2024-03-18 13:0030.962.51.5809.619.614.4
2024-03-18 12:0038.646.21.8897.120.015.9
2024-03-18 11:0053.623.43.0946.139.529.9
2024-03-18 10:0080.04.712.21,073.855.339.6
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: 09:07 19-03-2024