Past 24 Hours Pollutant Concentration Summary

Causeway Bay
Date TimeNO2O3SO2COPM10PM2.5
2019-10-19 18:00117.062.73.91,087.973.745.8
2019-10-19 17:0071.6101.82.3896.873.147.4
2019-10-19 16:0096.084.23.0897.567.043.0
2019-10-19 15:00117.972.25.3881.762.838.1
2019-10-19 14:00121.670.85.0893.261.737.8
2019-10-19 13:00123.868.45.7960.860.236.6
2019-10-19 12:00126.355.06.4960.562.638.6
2019-10-19 11:00104.951.65.8995.258.336.0
2019-10-19 10:00106.435.06.5955.554.935.7
2019-10-19 09:00105.327.57.5857.854.334.3
2019-10-19 08:00108.138.07.5844.059.539.0
2019-10-19 07:0073.156.35.4860.359.239.2
2019-10-19 06:0045.481.42.8883.850.233.6
2019-10-19 05:0057.487.03.1929.352.034.4
2019-10-19 04:0072.768.62.9884.150.733.8
2019-10-19 03:0084.354.23.1942.849.733.3
2019-10-19 02:00109.836.53.51,026.861.441.2
2019-10-19 01:00141.719.14.81,062.270.947.6
2019-10-19 00:00174.211.26.91,185.785.959.2
2019-10-18 23:00198.13.98.91,352.388.560.3
2019-10-18 22:00206.98.99.11,590.084.256.6
2019-10-18 21:00216.917.27.81,524.484.355.2
2019-10-18 20:00223.620.28.31,420.783.553.0
2019-10-18 19:00263.311.09.81,443.286.654.4
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:18:07 19-10-2019