Past 24 Hours Pollutant Concentration Summary

Tsuen Wan
Date TimeNO2O3SO2COPM10PM2.5
2019-07-21 03:0034.93.26.9476.820.110.3
2019-07-21 02:0018.79.66.4415.718.211.0
2019-07-21 01:0055.00.47.6572.219.010.2
2019-07-21 00:0050.11.47.0586.715.19.4
2019-07-20 23:0054.44.17.0551.017.211.2
2019-07-20 22:0038.811.56.4412.113.510.3
2019-07-20 21:0055.74.87.5435.324.617.0
2019-07-20 20:0067.62.27.5643.519.514.8
2019-07-20 19:0060.64.96.7583.914.711.4
2019-07-20 18:0043.220.06.2459.516.912.4
2019-07-20 17:0036.827.36.2426.921.012.0
2019-07-20 16:0028.225.16.2420.714.54.7
2019-07-20 15:0037.718.16.2478.618.711.2
2019-07-20 14:0045.026.36.2432.515.212.2
2019-07-20 13:0038.233.36.9397.419.011.8
2019-07-20 12:0056.214.07.0433.026.114.8
2019-07-20 11:0035.428.86.9369.622.111.4
2019-07-20 10:0037.624.07.3377.723.613.5
2019-07-20 09:0051.88.07.5459.424.116.3
2019-07-20 08:0046.26.37.0481.819.011.1
2019-07-20 07:0034.57.66.7393.520.412.3
2019-07-20 06:0035.44.67.3396.728.717.2
2019-07-20 05:0043.53.87.8429.123.913.1
2019-07-20 04:0037.18.57.7414.226.617.8
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.

Mobile Version | Desktop Version
Last revision date:03:07 21-07-2019