Past 24 Hours Pollutant Concentration Summary

Causeway Bay
Date TimeNO2O3SO2COPM10PM2.5
2019-05-20 03:0018.726.66.6653.825.015.1
2019-05-20 02:0031.018.17.1813.922.39.7
2019-05-20 01:0041.414.08.1654.631.915.4
2019-05-20 00:0041.313.28.3673.432.017.5
2019-05-19 23:0034.818.27.9615.234.720.9
2019-05-19 22:0074.59.012.1784.941.023.7
2019-05-19 21:0050.312.79.2762.739.121.5
2019-05-19 20:0053.215.08.9699.730.215.0
2019-05-19 19:0039.323.07.9691.538.519.3
2019-05-19 18:0045.726.08.4596.046.123.9
2019-05-19 17:00103.011.513.0731.649.024.5
2019-05-19 16:0088.39.111.4746.438.621.3
2019-05-19 15:0099.78.013.7766.742.425.4
2019-05-19 14:00103.89.414.0783.138.922.8
2019-05-19 13:00104.310.512.5787.740.321.9
2019-05-19 12:0091.216.210.8708.140.823.6
2019-05-19 11:00100.39.412.4733.236.220.9
2019-05-19 10:0086.010.910.2651.231.117.2
2019-05-19 09:0059.520.68.1569.926.214.1
2019-05-19 08:0067.819.77.5605.330.618.5
2019-05-19 07:0044.726.95.8597.228.616.9
2019-05-19 06:0033.532.05.1630.626.616.6
2019-05-19 05:0021.037.45.2512.322.411.0
2019-05-19 04:0031.629.08.3618.528.115.6
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:03:07 20-05-2019