Past 24 Hours Pollutant Concentration Summary

Eastern
Date TimeNO2O3SO2COPM10PM2.5
2019-10-19 16:0057.2138.43.1-51.729.7
2019-10-19 15:0054.9134.63.2-53.133.9
2019-10-19 14:0041.0145.24.3-56.935.4
2019-10-19 13:0040.8150.04.8-53.233.5
2019-10-19 12:0047.3137.66.2-45.130.0
2019-10-19 11:0047.5119.66.7-43.331.5
2019-10-19 10:0050.1101.56.5-50.135.7
2019-10-19 09:0052.786.07.1-54.233.9
2019-10-19 08:0043.485.27.6-51.229.8
2019-10-19 07:0028.1105.57.7-50.129.0
2019-10-19 06:0018.1124.54.8-51.032.6
2019-10-19 05:0017.0140.34.0-52.734.9
2019-10-19 04:0021.7140.73.9-52.334.0
2019-10-19 03:0034.8125.93.8-54.035.0
2019-10-19 02:0045.6105.53.7-56.636.8
2019-10-19 01:0061.884.73.6-54.732.9
2019-10-19 00:0065.0108.24.2-56.031.2
2019-10-18 23:0068.7113.84.2-58.433.3
2019-10-18 22:0088.884.03.6-60.737.5
2019-10-18 21:0063.2134.54.5-60.638.6
2019-10-18 20:0035.5184.05.3-56.433.6
2019-10-18 19:0040.0183.85.1-53.330.8
2019-10-18 18:0048.8180.14.8-55.430.9
2019-10-18 17:0072.8164.34.5-56.833.0
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:16:07 19-10-2019