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Past 24 Hours Pollutant Concentration Summary

Eastern
Date TimeNO2O3SO2COPM10PM2.5
2024-04-17 09:0024.440.40.6-13.310.1
2024-04-17 08:0024.739.10.6-15.813.6
2024-04-17 07:0023.037.40.6-14.312.6
2024-04-17 06:0010.049.70.8-14.612.4
2024-04-17 05:007.951.90.8-14.111.8
2024-04-17 04:006.452.31.0-14.212.3
2024-04-17 03:009.849.80.9-15.913.9
2024-04-17 02:0012.847.51.0-16.013.8
2024-04-17 01:0013.047.11.0-15.413.0
2024-04-17 00:0017.643.60.8-17.515.3
2024-04-16 23:0017.144.50.9-14.612.6
2024-04-16 22:0016.049.21.0-13.211.2
2024-04-16 21:0015.051.61.0-15.712.6
2024-04-16 20:0024.243.21.1-13.811.1
2024-04-16 19:0016.753.01.0-13.610.9
2024-04-16 18:0022.447.41.4-15.511.6
2024-04-16 17:0024.345.91.4-16.913.1
2024-04-16 16:0020.752.01.3-17.713.6
2024-04-16 15:0016.359.71.1-19.111.8
2024-04-16 14:0013.265.70.9-19.313.7
2024-04-16 13:0014.665.81.0-15.811.4
2024-04-16 12:0020.751.71.0-17.510.8
2024-04-16 11:0016.155.90.7-19.813.0
2024-04-16 10:0016.754.40.6-15.511.7
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.