Past 24 Hours Pollutant Concentration Summary

Tsuen Wan
Date TimeNO2O3SO2COPM10PM2.5
2018-12-19 17:0058.378.16.7577.339.320.9
2018-12-19 16:0058.676.66.9570.737.817.0
2018-12-19 15:0063.673.47.3583.334.511.9
2018-12-19 14:0049.185.57.6543.441.020.1
2018-12-19 13:0050.984.57.8525.938.118.3
2018-12-19 12:0044.586.47.8531.935.515.6
2018-12-19 11:0049.478.88.3545.236.718.5
2018-12-19 10:0067.062.87.9603.835.015.6
2018-12-19 09:0084.148.98.1662.233.215.2
2018-12-19 08:0077.157.57.9631.836.416.6
2018-12-19 07:0047.779.68.2545.334.316.0
2018-12-19 06:0023.7101.28.1463.531.613.9
2018-12-19 05:0017.3109.38.3439.636.519.1
2018-12-19 04:0017.9111.38.9411.834.116.4
2018-12-19 03:0020.2110.89.5407.132.111.9
2018-12-19 02:0023.8119.49.7441.640.320.7
2018-12-19 01:0032.4115.59.4442.537.120.6
2018-12-19 00:0042.3104.89.2463.232.614.7
2018-12-18 23:0044.8101.88.9514.737.619.7
2018-12-18 22:0054.097.89.4569.039.621.1
2018-12-18 21:0067.291.310.0637.843.024.2
2018-12-18 20:0080.187.410.5656.135.118.9
2018-12-18 19:0081.883.810.6673.936.122.2
2018-12-18 18:0070.291.110.3646.335.723.5
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:17:07 19-12-2018