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Past 24 Hours Pollutant Concentration Summary

Tung Chung
Date TimeNO2O3SO2COPM10PM2.5
2024-04-20 17:007.752.71.7413.922.517.1
2024-04-20 16:009.152.51.2402.523.117.7
2024-04-20 15:008.956.91.2448.518.812.8
2024-04-20 14:008.656.81.5408.914.28.5
2024-04-20 13:006.661.21.2430.116.411.0
2024-04-20 12:006.658.41.5418.419.915.1
2024-04-20 11:006.656.00.7406.319.415.2
2024-04-20 10:008.453.01.1412.810.46.6
2024-04-20 09:007.251.20.9434.39.75.7
2024-04-20 08:007.850.61.4444.314.210.7
2024-04-20 07:005.751.70.8408.318.014.6
2024-04-20 06:004.653.31.0394.813.710.2
2024-04-20 05:003.852.61.1406.614.811.3
2024-04-20 04:002.754.00.8418.015.011.6
2024-04-20 03:002.754.31.4393.012.38.4
2024-04-20 02:004.054.00.6358.613.29.0
2024-04-20 01:00----15.611.2
2024-04-20 00:007.846.31.0443.716.511.9
2024-04-19 23:004.150.30.4405.920.016.8
2024-04-19 22:006.050.31.1423.814.210.6
2024-04-19 21:004.551.21.0404.412.89.1
2024-04-19 20:005.455.11.2431.914.510.4
2024-04-19 19:004.555.10.9420.810.56.5
2024-04-19 18:007.053.01.1416.412.78.1
Remarks:

(1) Time shown is in Hong Kong time.

(2) Concentration shown is in microgram per cubic metre (µg/m3).

(3) Abbreviation:
NO2 - nitrogen dioxide, O3 - ozone,
SO2 - sulphur dioxide, CO - carbon monoxide,
PM10 - respirable suspended particulates,
PM2.5 - fine suspended particulates

(4) The pollutant concentration is based on real time data taken directly from EPD's Air Quality Monitoring Network.