Past 24 Hours Pollutant Concentration Summary

Causeway Bay
Date TimeNO2O3SO2COPM10PM2.5
2018-06-18 07:0074.87.47.0891.930.219.6
2018-06-18 06:0071.16.44.41,608.030.722.6
2018-06-18 05:0072.49.63.7877.224.817.9
2018-06-18 04:0062.519.61.6870.324.017.3
2018-06-18 03:0060.222.51.4966.228.620.5
2018-06-18 02:0052.233.01.5786.529.120.6
2018-06-18 01:0061.134.51.8783.335.525.6
2018-06-18 00:0052.047.91.4745.535.924.4
2018-06-17 23:0081.930.22.2816.037.025.8
2018-06-17 22:0086.936.41.9832.136.625.0
2018-06-17 21:0082.739.31.6792.042.729.3
2018-06-17 20:0084.236.91.7874.143.929.5
2018-06-17 19:00105.827.62.6903.243.329.3
2018-06-17 18:0083.636.13.5896.345.829.0
2018-06-17 17:0089.052.02.1830.850.031.7
2018-06-17 16:00101.548.12.7836.246.230.2
2018-06-17 15:0086.349.12.3741.044.829.3
2018-06-17 14:0072.745.52.3777.639.726.7
2018-06-17 13:0091.337.82.7761.735.622.5
2018-06-17 12:0085.436.42.4742.633.220.3
2018-06-17 11:0090.325.43.8763.440.125.8
2018-06-17 10:0074.029.62.6733.235.623.4
2018-06-17 09:0081.024.13.1703.832.319.8
2018-06-17 08:0077.431.12.5644.832.719.4
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:07:07 18-06-2018