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Past 24 Hours Pollutant Concentration Summary

Tsuen Wan
Date TimeNO2O3SO2COPM10PM2.5
2023-12-05 23:0065.148.66.1731.263.847.2
2023-12-05 22:0075.941.76.2803.563.646.4
2023-12-05 21:0087.638.76.7803.759.943.9
2023-12-05 20:00109.426.06.9871.569.750.9
2023-12-05 19:00118.560.47.9814.377.353.7
2023-12-05 18:00125.376.58.7750.376.156.0
2023-12-05 17:00104.494.79.8745.872.252.0
2023-12-05 16:00102.371.69.1744.464.345.3
2023-12-05 15:0086.261.08.8662.059.542.4
2023-12-05 14:0089.543.48.9658.948.034.4
2023-12-05 13:0076.333.58.3608.739.229.2
2023-12-05 12:0060.336.96.9579.748.435.2
2023-12-05 11:0065.823.17.3669.449.836.4
2023-12-05 10:0048.921.37.2711.145.934.0
2023-12-05 09:0042.013.47.2706.649.036.1
2023-12-05 08:0047.55.97.2782.953.740.6
2023-12-05 07:0049.63.36.7716.755.639.9
2023-12-05 06:0051.14.46.6691.353.738.6
2023-12-05 05:0050.97.66.5674.753.839.0
2023-12-05 04:0051.011.86.2651.752.737.7
2023-12-05 03:0055.113.16.1695.453.238.5
2023-12-05 02:0057.513.86.1673.158.241.8
2023-12-05 01:0067.99.36.1723.161.841.7
2023-12-05 00:0076.97.06.6766.662.740.1
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.