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Past 24 Hours Pollutant Concentration Summary

Eastern
Date TimeNO2O3SO2COPM10PM2.5
2023-06-09 21:0019.356.21.8-7.64.6
2023-06-09 20:0018.360.61.5-6.54.7
2023-06-09 19:0016.763.81.5-10.65.9
2023-06-09 18:0015.465.91.3-16.23.6
2023-06-09 17:0029.250.10.6-12.6-
2023-06-09 16:0030.153.40.8-20.010.6
2023-06-09 15:0022.559.10.9-27.312.2
2023-06-09 14:0020.759.60.8-11.93.2
2023-06-09 13:0036.448.20.7-14.34.9
2023-06-09 12:0034.645.60.6-12.46.0
2023-06-09 11:0032.945.90.6-7.16.6
2023-06-09 10:0035.745.41.0-12.05.9
2023-06-09 09:0038.236.41.2-10.95.1
2023-06-09 08:0033.633.20.9-8.71.7
2023-06-09 07:0030.032.10.6-7.21.0
2023-06-09 06:0022.737.30.8-8.71.9
2023-06-09 05:0021.439.20.7-9.21.7
2023-06-09 04:0016.744.70.7-6.70.9
2023-06-09 03:0018.841.70.7-9.8-
2023-06-09 02:0012.647.90.8-9.91.7
2023-06-09 01:0018.342.20.8-9.24.4
2023-06-09 00:0023.136.00.8-12.34.3
2023-06-08 23:0027.833.20.9-14.94.2
2023-06-08 22:0028.934.50.8-11.42.7
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.