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Past 24 Hours Pollutant Concentration Summary

Causeway Bay
Date TimeNO2O3SO2COPM10PM2.5
2021-04-14 15:0072.255.14.9867.054.030.4
2021-04-14 14:0084.941.75.5907.049.127.0
2021-04-14 13:0067.045.14.9889.749.625.2
2021-04-14 12:0071.735.55.0896.549.925.1
2021-04-14 11:0067.232.54.9940.754.829.1
2021-04-14 10:0064.821.25.5941.846.624.7
2021-04-14 09:0062.320.35.4805.333.619.2
2021-04-14 08:0061.317.85.2715.126.717.7
2021-04-14 07:0037.935.84.0635.022.714.3
2021-04-14 06:0029.239.53.7573.611.57.5
2021-04-14 05:0033.033.64.2651.616.110.3
2021-04-14 04:00-23.2--8.24.2
2021-04-14 03:0040.818.14.2664.218.811.9
2021-04-14 02:0047.519.95.0687.919.211.9
2021-04-14 01:0063.615.66.0726.723.713.1
2021-04-14 00:0078.010.68.2835.728.716.7
2021-04-13 23:0084.210.38.6825.032.121.9
2021-04-13 22:0091.28.511.8867.630.420.3
2021-04-13 21:0096.16.915.0938.737.325.1
2021-04-13 20:0097.08.311.8878.242.728.0
2021-04-13 19:00107.89.611.4888.433.220.8
2021-04-13 18:0099.314.39.2951.131.917.8
2021-04-13 17:0096.419.59.3925.442.324.1
2021-04-13 16:00107.515.78.71,068.344.924.0
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.