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Past 24 Hours Pollutant Concentration Summary

Central
Date TimeNO2O3SO2COPM10PM2.5
2022-10-06 02:0014.180.22.3905.823.911.5
2022-10-06 01:0020.677.32.5912.227.015.3
2022-10-06 00:0032.970.92.0937.123.212.3
2022-10-05 23:0033.570.82.1947.622.011.5
2022-10-05 22:0034.373.02.21,014.825.013.8
2022-10-05 21:0048.862.92.91,039.627.115.3
2022-10-05 20:0058.251.42.91,069.827.115.4
2022-10-05 19:0076.938.43.31,080.927.616.1
2022-10-05 18:0068.643.53.31,036.826.014.7
2022-10-05 17:0050.652.22.8942.424.513.1
2022-10-05 16:0053.752.82.71,101.729.618.0
2022-10-05 15:0063.147.63.21,017.630.921.8
2022-10-05 14:0054.360.13.31,025.224.917.3
2022-10-05 13:0064.349.03.51,025.827.819.4
2022-10-05 12:0080.138.84.21,036.124.916.6
2022-10-05 11:0077.232.33.31,058.528.420.6
2022-10-05 10:0091.131.54.21,119.035.326.5
2022-10-05 09:00101.913.44.61,134.135.927.1
2022-10-05 08:0082.918.93.61,039.135.326.8
2022-10-05 07:0060.5-2.81,045.131.223.8
2022-10-05 06:0031.858.62.7983.131.325.5
2022-10-05 05:0035.856.03.0956.827.221.4
2022-10-05 04:0043.948.32.5995.526.221.6
2022-10-05 03:0047.847.12.81,014.525.020.0
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.