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Past 24 Hours Pollutant Concentration Summary

Southern
Date TimeNO2O3SO2COPM10PM2.5
2023-12-05 23:0070.532.84.7851.347.035.5
2023-12-05 22:0064.537.55.0791.340.631.2
2023-12-05 21:0066.341.75.5770.735.528.8
2023-12-05 20:0066.145.25.4716.132.025.8
2023-12-05 19:0070.054.76.5742.431.924.7
2023-12-05 18:00105.263.912.6739.033.924.5
2023-12-05 17:0081.992.110.8716.531.823.1
2023-12-05 16:0066.9100.98.7689.226.618.9
2023-12-05 15:0030.1133.45.5665.038.828.9
2023-12-05 14:0036.8156.16.5730.957.141.6
2023-12-05 13:0057.8119.68.5776.756.439.5
2023-12-05 12:0064.068.78.2761.859.539.8
2023-12-05 11:0072.434.59.7845.662.839.4
2023-12-05 10:0067.120.47.9878.254.337.9
2023-12-05 09:0052.620.06.8899.549.735.6
2023-12-05 08:0048.113.45.7866.145.432.7
2023-12-05 07:0048.010.15.2794.950.835.3
2023-12-05 06:0060.010.26.1826.952.637.2
2023-12-05 05:0066.69.55.9856.453.436.0
2023-12-05 04:0071.510.75.6863.046.932.0
2023-12-05 03:0062.212.05.0826.048.029.7
2023-12-05 02:0068.510.05.0847.450.230.9
2023-12-05 01:0071.710.24.7863.053.633.9
2023-12-05 00:0080.311.54.9888.854.934.7
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.