Past 24 Hours Pollutant Concentration Summary

Causeway Bay
Date TimeNO2O3SO2COPM10PM2.5
2020-01-19 20:0088.43.96.81,533.769.948.5
2020-01-19 19:0096.74.25.41,554.367.345.0
2020-01-19 18:00101.58.74.31,420.970.747.0
2020-01-19 17:00105.710.86.21,488.974.246.4
2020-01-19 16:00117.55.29.91,624.080.751.5
2020-01-19 15:00113.35.610.51,386.968.944.0
2020-01-19 14:00112.49.18.31,463.165.242.4
2020-01-19 13:0088.820.76.61,456.463.642.0
2020-01-19 12:0088.718.96.41,387.356.534.0
2020-01-19 11:0079.213.66.41,242.554.029.7
2020-01-19 10:0077.210.95.31,218.339.824.7
2020-01-19 09:0064.021.14.71,063.135.321.6
2020-01-19 08:0058.733.82.7932.734.022.0
2020-01-19 07:0044.743.42.3921.823.914.4
2020-01-19 06:0028.859.61.6871.518.410.9
2020-01-19 05:0029.465.91.8888.924.116.0
2020-01-19 04:0027.268.01.7938.122.215.6
2020-01-19 03:0039.558.21.9923.021.913.3
2020-01-19 02:0032.265.51.9907.126.016.6
2020-01-19 01:0048.554.02.2932.527.016.1
2020-01-19 00:0048.254.62.3875.830.219.4
2020-01-18 23:0063.742.63.1934.133.520.3
2020-01-18 22:0061.146.62.71,008.535.823.3
2020-01-18 21:0076.133.83.41,066.540.428.1
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:20:07 19-01-2020