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Past 24 Hours Pollutant Concentration Summary

Tap Mun
Date TimeNO2O3SO2COPM10PM2.5
2023-09-29 21:003.896.41.5468.715.38.3
2023-09-29 20:002.698.81.2477.815.69.4
2023-09-29 19:003.6105.21.6466.915.79.2
2023-09-29 18:001.7111.61.6476.816.710.3
2023-09-29 17:001.8115.72.1476.519.211.5
2023-09-29 16:001.8130.62.0518.418.611.0
2023-09-29 15:004.9124.72.5521.517.110.2
2023-09-29 14:003.1112.12.3520.017.89.8
2023-09-29 13:002.0103.61.6507.716.78.6
2023-09-29 12:004.487.51.7495.515.27.8
2023-09-29 11:002.478.31.6474.214.77.9
2023-09-29 10:002.571.71.4473.116.58.0
2023-09-29 09:002.763.91.5481.715.37.7
2023-09-29 08:008.755.61.5480.312.55.6
2023-09-29 07:005.757.21.4478.513.36.3
2023-09-29 06:005.658.71.2477.813.95.5
2023-09-29 05:002.664.01.0479.413.66.2
2023-09-29 04:002.762.91.4475.417.89.4
2023-09-29 03:006.161.71.5481.917.59.1
2023-09-29 02:004.368.31.7497.113.65.4
2023-09-29 01:003.370.31.0466.215.67.7
2023-09-29 00:002.571.51.2463.114.25.6
2023-09-28 23:002.575.11.1470.116.17.3
2023-09-28 22:002.687.21.2484.717.48.1
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.