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Past 24 Hours Pollutant Concentration Summary

Southern
Date TimeNO2O3SO2COPM10PM2.5
2022-12-09 18:0077.669.86.0717.468.241.6
2022-12-09 17:0089.3100.77.0705.671.634.8
2022-12-09 16:0078.897.97.1666.665.228.5
2022-12-09 15:0081.070.88.6655.748.320.1
2022-12-09 14:0058.854.67.6633.129.415.4
2022-12-09 13:0053.339.46.7627.528.88.5
2022-12-09 12:0050.434.95.7635.831.812.1
2022-12-09 11:0054.622.77.4660.827.320.6
2022-12-09 10:0052.124.25.9662.322.918.6
2022-12-09 09:0054.017.96.0693.715.910.8
2022-12-09 08:0043.919.75.1684.120.918.6
2022-12-09 07:0025.529.14.2561.726.823.4
2022-12-09 06:0032.320.44.2598.628.217.2
2022-12-09 05:0030.325.64.4588.228.29.5
2022-12-09 04:0029.429.54.5592.032.08.0
2022-12-09 03:0039.124.34.5636.037.419.4
2022-12-09 02:0049.019.74.6664.042.329.8
2022-12-09 01:0059.917.34.3725.843.830.8
2022-12-09 00:0062.020.94.3735.844.930.0
2022-12-08 23:0053.731.14.3719.450.131.4
2022-12-08 22:0055.138.24.4718.158.134.8
2022-12-08 21:0076.439.54.9741.572.842.7
2022-12-08 20:0075.869.75.8704.177.147.5
2022-12-08 19:00105.883.26.5827.563.027.9
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.