Past 24 Hours Pollutant Concentration Summary

Tung Chung
Date TimeNO2O3SO2COPM10PM2.5
2019-08-18 04:0010.748.51.8314.010.66.0
2019-08-18 03:009.249.91.7280.014.97.7
2019-08-18 02:0023.124.52.0344.015.48.3
2019-08-18 01:0027.521.51.8363.314.18.6
2019-08-18 00:0019.634.31.4319.212.06.8
2019-08-17 23:0019.735.81.6322.111.88.9
2019-08-17 22:005.648.92.1273.86.95.2
2019-08-17 21:008.944.02.2327.110.58.0
2019-08-17 20:0020.527.11.9387.114.49.4
2019-08-17 19:0034.110.22.3425.39.35.8
2019-08-17 18:0026.216.12.0393.88.66.4
2019-08-17 17:0015.033.12.2365.09.86.9
2019-08-17 16:0018.147.62.2400.517.110.9
2019-08-17 15:0043.533.83.3402.517.711.4
2019-08-17 14:0025.651.33.1364.415.210.8
2019-08-17 13:0040.127.92.7473.716.412.8
2019-08-17 12:0028.240.82.0391.125.320.2
2019-08-17 11:0039.441.93.1410.422.512.8
2019-08-17 10:0033.740.85.4443.322.912.2
2019-08-17 09:0024.936.77.3639.417.09.3
2019-08-17 08:0022.231.03.1541.413.96.5
2019-08-17 07:0012.835.21.8330.213.36.0
2019-08-17 06:008.937.91.6321.415.77.7
2019-08-17 05:008.537.81.6320.116.68.6
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 18-08-2019