Past 24 Hours Pollutant Concentration Summary

Yuen Long
Date TimeNO2O3SO2COPM10PM2.5
2017-11-24 18:0065.635.77.9498.561.622.9
2017-11-24 17:0066.445.78.0526.852.423.4
2017-11-24 16:0052.666.38.1461.455.521.3
2017-11-24 15:0046.577.28.0461.161.222.1
2017-11-24 14:0041.674.08.0475.057.721.7
2017-11-24 13:0041.168.38.0509.565.122.5
2017-11-24 12:0035.370.98.0444.072.723.7
2017-11-24 11:0038.459.88.6480.277.828.4
2017-11-24 10:0037.459.410.2457.081.933.5
2017-11-24 09:0041.855.511.5481.776.136.8
2017-11-24 08:0038.754.912.5453.676.335.7
2017-11-24 07:0032.159.014.2472.169.536.3
2017-11-24 06:0022.667.815.0453.767.334.5
2017-11-24 05:0019.169.112.7439.361.233.3
2017-11-24 04:0017.167.211.2458.762.932.7
2017-11-24 03:0018.864.811.2468.962.430.9
2017-11-24 02:0022.560.411.2515.470.133.6
2017-11-24 01:0028.754.911.2523.976.634.4
2017-11-24 00:0040.043.312.7542.386.336.3
2017-11-23 23:0042.343.312.1569.888.538.5
2017-11-23 22:0045.443.411.4592.084.441.2
2017-11-23 21:0050.043.911.2586.281.241.2
2017-11-23 20:0051.351.411.1581.182.040.5
2017-11-23 19:0060.554.510.8561.372.538.8
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.

Last revision date:18:06 24-11-2017