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Past 24 Hours Pollutant Concentration Summary

Tuen Mun
Date TimeNO2O3SO2COPM10PM2.5
2020-07-11 23:009.319.31.8459.118.08.0
2020-07-11 22:0010.423.61.8453.721.99.9
2020-07-11 21:0010.621.61.9465.518.16.1
2020-07-11 20:0010.926.91.6457.910.37.0
2020-07-11 19:0010.624.72.0451.115.88.9
2020-07-11 18:0010.330.42.0436.519.95.1
2020-07-11 17:0010.037.32.0420.915.28.9
2020-07-11 16:0010.336.01.9427.216.08.0
2020-07-11 15:0010.840.11.9421.117.012.8
2020-07-11 14:0012.147.11.8438.819.99.1
2020-07-11 13:0013.139.72.1438.221.011.9
2020-07-11 12:0013.340.21.7441.521.06.2
2020-07-11 11:0013.435.41.8469.624.98.9
2020-07-11 10:0012.128.32.2470.519.311.9
2020-07-11 09:0010.520.82.3492.121.910.1
2020-07-11 08:008.814.52.9492.917.38.1
2020-07-11 07:007.721.61.7433.916.16.1
2020-07-11 06:005.324.01.7427.817.96.0
2020-07-11 05:005.226.41.9431.617.16.9
2020-07-11 04:006.026.71.8405.318.04.1
2020-07-11 03:008.226.81.7427.716.14.0
2020-07-11 02:009.419.22.4440.717.95.9
2020-07-11 01:009.817.12.4442.917.07.9
2020-07-11 00:009.718.02.2440.922.87.0
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.