Past 24 Hours Pollutant Concentration Summary

Tung Chung
Date TimeNO2O3SO2COPM10PM2.5
2017-11-24 00:0050.515.67.4709.263.541.3
2017-11-23 23:0049.322.98.3711.069.243.6
2017-11-23 22:0049.229.27.8703.168.343.3
2017-11-23 21:0043.731.06.8740.969.245.1
2017-11-23 20:0037.562.39.1712.870.147.0
2017-11-23 19:0043.468.99.5793.663.738.3
2017-11-23 18:0042.773.08.81,089.759.532.8
2017-11-23 17:0048.977.17.9663.461.830.5
2017-11-23 16:0050.980.38.7576.174.440.8
2017-11-23 15:0052.385.79.3651.175.438.8
2017-11-23 14:0034.481.27.9631.172.136.1
2017-11-23 13:0034.769.78.1636.274.836.7
2017-11-23 12:0038.356.28.5637.373.841.3
2017-11-23 11:0042.837.99.0666.670.342.0
2017-11-23 10:0039.933.39.0650.764.240.8
2017-11-23 09:0038.229.88.7639.661.742.2
2017-11-23 08:0042.423.47.7642.651.336.6
2017-11-23 07:0035.923.66.3647.057.140.7
2017-11-23 06:0026.539.47.4619.853.938.9
2017-11-23 05:0020.339.06.8612.353.339.2
2017-11-23 04:00----52.537.5
2017-11-23 03:0028.026.14.9638.254.937.2
2017-11-23 02:0035.118.65.0649.555.833.6
2017-11-23 01:0037.515.95.5704.853.830.0
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.

Last revision date:00:06 24-11-2017