Past 24 Hours Pollutant Concentration Summary

Tap Mun
Date TimeNO2O3SO2COPM10PM2.5
2019-10-19 16:004.5175.67.7625.062.532.8
2019-10-19 15:004.8176.48.1663.862.434.0
2019-10-19 14:006.5188.58.7665.259.733.5
2019-10-19 13:007.3176.58.6657.655.731.6
2019-10-19 12:0012.3160.510.1680.861.332.6
2019-10-19 11:0013.8132.411.5710.660.431.8
2019-10-19 10:0013.6113.812.0706.658.132.1
2019-10-19 09:0014.394.611.8712.555.331.6
2019-10-19 08:0020.179.312.7715.657.433.1
2019-10-19 07:0018.277.211.2708.362.336.6
2019-10-19 06:0018.477.310.3716.662.236.3
2019-10-19 05:0021.882.58.8716.066.337.1
2019-10-19 04:0011.1106.16.7660.455.129.8
2019-10-19 03:004.9123.35.7609.439.723.3
2019-10-19 02:004.498.87.0649.544.529.0
2019-10-19 01:00----45.630.2
2019-10-19 00:005.1113.95.2669.746.530.5
2019-10-18 23:005.7114.25.1662.646.330.6
2019-10-18 22:005.7110.64.9660.449.432.0
2019-10-18 21:005.9118.65.2661.649.532.1
2019-10-18 20:007.2130.05.7666.057.535.9
2019-10-18 19:0010.5167.67.9668.768.335.7
2019-10-18 18:008.0160.87.2656.864.036.5
2019-10-18 17:007.7179.98.1659.362.234.0
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.

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Last revision date:16:07 19-10-2019