Past 24 Hours Pollutant Concentration Summary

Eastern
Date TimeNO2O3SO2COPM10PM2.5
2019-02-22 19:0070.743.61.0-13.11.0
2019-02-22 18:0073.635.60.4-8.0-
2019-02-22 17:0057.551.10.8-12.97.7
2019-02-22 16:0050.366.50.8-15.111.4
2019-02-22 15:0044.782.40.9-15.49.2
2019-02-22 14:0041.370.00.7-19.510.4
2019-02-22 13:0033.846.20.5-23.615.2
2019-02-22 12:0044.519.90.5-25.319.5
2019-02-22 11:0046.910.90.4-20.515.3
2019-02-22 10:0041.310.50.4-16.98.4
2019-02-22 09:0040.76.30.6-14.911.0
2019-02-22 08:0036.97.10.4-20.016.6
2019-02-22 07:0035.86.10.4-24.115.9
2019-02-22 06:0035.84.80.3-17.111.1
2019-02-22 05:0038.17.21.0-11.911.5
2019-02-22 04:0043.45.81.2-11.3-
2019-02-22 03:0048.73.71.2-25.421.1
2019-02-22 02:0051.37.10.9-40.023.1
2019-02-22 01:0050.322.10.3-44.324.4
2019-02-22 00:0041.933.30.5-48.924.8
2019-02-21 23:0045.233.20.7-47.721.5
2019-02-21 22:0071.917.90.3-50.323.9
2019-02-21 21:0059.233.10.2-47.626.2
2019-02-21 20:0063.732.70.3-34.019.8
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:19:07 22-02-2019