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Past 24 Hours Pollutant Concentration Summary

Tung Chung
Date TimeNO2O3SO2COPM10PM2.5
2022-01-23 01:00----6.65.8
2022-01-23 00:0015.957.56.9396.96.35.8
2022-01-22 23:0015.856.47.1407.45.64.9
2022-01-22 22:0015.756.97.0410.63.63.1
2022-01-22 21:0013.764.27.1401.54.13.0
2022-01-22 20:0013.064.57.1401.23.42.5
2022-01-22 19:0015.165.77.2388.42.6-
2022-01-22 18:0023.757.77.2417.65.24.7
2022-01-22 17:0037.038.87.3473.04.63.9
2022-01-22 16:0027.843.47.2436.61.4-
2022-01-22 15:0018.055.17.1400.02.0-
2022-01-22 14:0025.744.57.2418.61.71.6
2022-01-22 13:0021.246.27.3421.71.8-
2022-01-22 12:0020.146.87.3429.63.0-
2022-01-22 11:0025.537.47.2455.84.5-
2022-01-22 10:0036.618.77.3508.84.24.0
2022-01-22 09:0033.122.07.2517.714.012.1
2022-01-22 08:0029.911.47.3519.919.717.2
2022-01-22 07:0030.514.17.3486.916.713.7
2022-01-22 06:0023.221.07.0474.013.812.4
2022-01-22 05:0017.424.57.0471.412.110.9
2022-01-22 04:0017.335.77.1464.815.614.1
2022-01-22 03:0018.154.97.1482.913.511.4
2022-01-22 02:0015.961.07.1463.112.811.0
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.