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Past 24 Hours Pollutant Concentration Summary

Central
Date TimeNO2O3SO2COPM10PM2.5
2023-12-04 11:00----66.743.8
2023-12-04 10:0087.44.55.8785.866.343.5
2023-12-04 09:0082.65.35.7747.265.842.6
2023-12-04 08:0070.412.12.6588.455.835.0
2023-12-04 07:0043.937.01.5482.246.427.9
2023-12-04 06:0032.956.61.5458.545.528.6
2023-12-04 05:0029.266.61.8417.839.022.9
2023-12-04 04:0028.974.42.2413.439.323.2
2023-12-04 03:00-73.0--34.020.9
2023-12-04 02:0022.184.91.1399.330.617.4
2023-12-04 01:0039.071.11.5396.438.025.3
2023-12-04 00:0044.269.41.7485.249.033.1
2023-12-03 23:0062.764.52.8532.752.534.5
2023-12-03 22:0048.078.03.0629.255.037.2
2023-12-03 21:0063.860.82.8736.450.933.9
2023-12-03 20:0054.570.32.2712.548.231.6
2023-12-03 19:0060.664.72.6686.348.532.1
2023-12-03 18:0060.263.32.4641.448.029.4
2023-12-03 17:0065.668.12.7636.855.134.9
2023-12-03 16:0067.468.82.9640.650.133.0
2023-12-03 15:0081.953.03.1650.042.427.4
2023-12-03 14:0076.044.43.2689.238.925.4
2023-12-03 13:0060.043.43.2682.743.829.6
2023-12-03 12:0067.125.03.8741.347.230.1
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.