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Past 24 Hours Pollutant Concentration Summary

Eastern
Date TimeNO2O3SO2COPM10PM2.5
2021-06-24 02:0039.538.51.2-11.64.5
2021-06-24 01:0044.234.10.7-12.76.0
2021-06-24 00:0040.441.10.7-14.56.7
2021-06-23 23:0044.938.50.4-16.66.5
2021-06-23 22:0047.039.31.2-11.22.0
2021-06-23 21:0057.635.60.9-6.64.4
2021-06-23 20:0056.040.60.9-6.5-
2021-06-23 19:0049.548.80.9-11.07.2
2021-06-23 18:0049.049.20.2-8.51.7
2021-06-23 17:0038.959.10.2-2.40.5
2021-06-23 16:0053.945.10.2-0.2-
2021-06-23 15:0071.733.00.2-4.3-
2021-06-23 14:0038.565.40.2-20.712.9
2021-06-23 13:0057.235.10.9-24.816.1
2021-06-23 12:0065.626.33.8-20.312.8
2021-06-23 11:0066.627.22.6-15.39.7
2021-06-23 10:0065.826.81.7-13.09.6
2021-06-23 09:0064.126.02.1-16.89.4
2021-06-23 08:0053.332.42.1-12.03.6
2021-06-23 07:0025.848.81.5-8.4-
2021-06-23 06:0017.158.61.5-11.32.2
2021-06-23 05:0026.149.01.4-17.67.9
2021-06-23 04:0022.952.21.8-20.211.0
2021-06-23 03:0021.354.81.3-15.49.2
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.