Past 24 Hours Pollutant Concentration Summary

Central
Date TimeNO2O3SO2COPM10PM2.5
2019-05-20 01:0045.014.03.8586.730.020.4
2019-05-20 00:0039.019.43.0736.325.613.8
2019-05-19 23:0038.621.63.4726.024.212.7
2019-05-19 22:0036.921.92.8782.024.012.6
2019-05-19 21:0039.923.03.4803.427.515.7
2019-05-19 20:0046.523.72.9808.423.412.8
2019-05-19 19:0040.530.83.4732.824.812.2
2019-05-19 18:0034.537.23.1709.731.017.4
2019-05-19 17:0054.630.24.1960.933.921.3
2019-05-19 16:0091.522.67.0976.033.719.9
2019-05-19 15:0099.723.45.2925.135.821.5
2019-05-19 14:0066.632.33.8883.532.619.5
2019-05-19 13:0073.026.23.7912.235.219.2
2019-05-19 12:0076.025.83.7860.136.319.5
2019-05-19 11:0080.024.53.9914.634.219.1
2019-05-19 10:0073.022.33.6889.236.222.1
2019-05-19 09:0077.918.53.4842.531.519.7
2019-05-19 08:0072.014.33.4780.531.420.3
2019-05-19 07:0055.320.62.6650.224.315.2
2019-05-19 06:0016.249.11.8738.722.012.7
2019-05-19 05:0022.345.12.0738.721.813.1
2019-05-19 04:0017.244.41.6696.520.411.2
2019-05-19 03:0011.246.81.7681.123.411.8
2019-05-19 02:0021.738.61.9734.323.213.1
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:01:07 20-05-2019