Past 24 Hours Pollutant Concentration Summary

Central
Date TimeNO2O3SO2COPM10PM2.5
2018-06-21 10:0098.34.98.41,134.323.311.5
2018-06-21 09:0078.911.26.2826.223.511.3
2018-06-21 08:0078.35.57.1876.114.44.6
2018-06-21 07:0042.618.74.6613.69.82.0
2018-06-21 06:0025.335.83.9718.113.34.8
2018-06-21 05:0036.223.63.8681.613.95.8
2018-06-21 04:0034.520.14.0642.114.36.8
2018-06-21 03:0022.725.54.8678.612.35.4
2018-06-21 02:0029.724.85.9613.717.510.1
2018-06-21 01:0027.231.44.8629.420.19.8
2018-06-21 00:0049.014.65.8672.320.710.8
2018-06-20 23:0052.417.45.1756.323.110.4
2018-06-20 22:0054.718.15.5853.118.47.9
2018-06-20 21:0059.621.15.4819.119.510.5
2018-06-20 20:0061.213.35.6815.720.111.2
2018-06-20 19:0073.613.56.8948.423.212.5
2018-06-20 18:0072.012.27.1837.222.711.2
2018-06-20 17:0056.521.65.6627.422.510.7
2018-06-20 16:0065.814.57.1722.317.86.7
2018-06-20 15:0048.626.44.9668.719.47.1
2018-06-20 14:0057.023.45.4806.620.38.8
2018-06-20 13:0047.925.35.3732.021.07.1
2018-06-20 12:0082.512.06.3970.825.610.3
2018-06-20 11:0084.113.36.8885.828.013.3
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.

Last revision date:10:07 21-06-2018