Past 24 Hours Pollutant Concentration Summary

Central
Date TimeNO2O3SO2COPM10PM2.5
2019-08-18 04:0040.222.43.9759.813.68.2
2019-08-18 03:0050.712.05.2820.517.79.4
2019-08-18 02:0049.510.06.7758.313.57.7
2019-08-18 01:0050.311.06.3812.49.25.0
2019-08-18 00:0044.514.94.8777.916.39.8
2019-08-17 23:0049.412.45.8845.612.07.1
2019-08-17 22:0038.624.34.0743.818.614.3
2019-08-17 21:0067.49.06.91,078.023.217.4
2019-08-17 20:0072.05.97.81,252.217.813.5
2019-08-17 19:0071.95.46.61,231.516.013.1
2019-08-17 18:0064.66.77.71,217.717.814.6
2019-08-17 17:0063.514.37.0960.114.39.6
2019-08-17 16:0078.922.75.9957.423.513.5
2019-08-17 15:0087.78.76.1931.025.517.3
2019-08-17 14:0094.17.39.31,060.120.615.5
2019-08-17 13:0088.85.87.91,216.021.113.2
2019-08-17 12:0087.27.96.11,040.625.514.0
2019-08-17 11:0096.38.38.4982.932.418.5
2019-08-17 10:0095.47.310.61,011.725.016.2
2019-08-17 09:0084.69.66.8901.214.08.5
2019-08-17 08:0044.929.53.9743.213.28.3
2019-08-17 07:0026.836.33.2687.713.07.3
2019-08-17 06:0032.528.84.1767.617.610.6
2019-08-17 05:0045.713.24.4800.014.98.3
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