Past 24 Hours Pollutant Concentration Summary

Central/Western
Date TimeNO2O3SO2COPM10PM2.5
2020-08-09 19:0015.647.95.8-7.65.5
2020-08-09 18:0013.745.46.0-6.34.1
2020-08-09 17:0015.154.26.7-8.75.7
2020-08-09 16:0016.958.37.0-8.76.0
2020-08-09 15:0010.659.66.4-7.14.9
2020-08-09 14:0020.343.87.5-5.13.0
2020-08-09 13:0017.639.76.2-4.43.3
2020-08-09 12:009.844.24.9-5.64.7
2020-08-09 11:009.033.64.7-5.64.0
2020-08-09 10:0019.917.76.2-7.14.5
2020-08-09 09:0021.410.26.9-5.73.4
2020-08-09 08:0018.912.06.2-5.52.7
2020-08-09 07:0024.94.76.3-3.70.7
2020-08-09 06:0017.810.35.6-4.12.5
2020-08-09 05:0013.116.96.3-2.91.2
2020-08-09 04:00----5.84.0
2020-08-09 03:0024.613.95.2-4.22.0
2020-08-09 02:0015.327.74.9-5.93.5
2020-08-09 01:009.537.94.9-5.33.1
2020-08-09 00:0011.736.05.0-6.13.9
2020-08-08 23:0013.335.05.3-4.72.9
2020-08-08 22:009.440.25.0-6.14.2
2020-08-08 21:0013.935.34.9-6.75.6
2020-08-08 20:0013.232.24.7-6.04.1
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.

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Last revision date:19:07 09-08-2020