Past 24 Hours Pollutant Concentration Summary

Central
Date TimeNO2O3SO2COPM10PM2.5
2020-06-05 04:0034.721.02.2753.617.413.9
2020-06-05 03:0032.921.51.8757.113.29.6
2020-06-05 02:0029.421.41.4797.310.76.2
2020-06-05 01:0029.822.61.4762.711.66.8
2020-06-05 00:0028.026.81.7760.812.57.8
2020-06-04 23:0025.528.31.7727.37.93.2
2020-06-04 22:0033.823.32.9824.49.23.6
2020-06-04 21:0030.223.82.2828.010.13.9
2020-06-04 20:0037.425.22.6766.58.94.8
2020-06-04 19:0056.521.13.4804.08.83.9
2020-06-04 18:0047.323.74.5843.216.48.4
2020-06-04 17:0058.919.64.8965.610.65.1
2020-06-04 16:0036.042.22.8767.110.64.1
2020-06-04 15:0054.123.94.6987.911.05.7
2020-06-04 14:0045.031.03.8859.015.18.9
2020-06-04 13:0064.016.96.61,034.716.19.4
2020-06-04 12:0062.816.65.9964.013.25.4
2020-06-04 11:0054.021.33.61,188.012.15.8
2020-06-04 10:0045.923.04.7858.812.76.3
2020-06-04 09:0054.818.63.8860.38.33.2
2020-06-04 08:0048.316.43.7838.48.33.5
2020-06-04 07:0023.027.22.1768.49.96.1
2020-06-04 06:0024.626.42.5766.612.99.1
2020-06-04 05:0021.930.42.2705.613.46.9
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:04:07 05-06-2020