Tung Chung
Date TimeNO2O3SO2COPM10PM2.5
2023-03-29 01:00----11.74.5
2023-03-29 00:0011.286.61.1503.413.46.1
2023-03-28 23:0012.783.41.1497.019.610.6
2023-03-28 22:0028.252.91.2575.523.214.2
2023-03-28 21:0023.564.30.9566.518.211.9
2023-03-28 20:0031.947.41.5560.417.410.5
2023-03-28 19:0041.750.70.9563.119.611.5
2023-03-28 18:0044.540.21.2565.720.011.9
2023-03-28 17:0032.556.90.7523.721.812.8
2023-03-28 16:0034.854.71.7551.119.811.7
2023-03-28 15:0038.533.81.3564.415.88.6
2023-03-28 14:0027.749.31.0558.114.77.3
2023-03-28 13:0019.965.01.1530.113.57.0
2023-03-28 12:0021.953.71.2552.912.06.4
2023-03-28 11:0020.352.90.9552.413.37.8
2023-03-28 10:0022.041.8-567.014.59.5
2023-03-28 09:0019.439.90.2561.16.53.3
2023-03-28 08:0016.836.00.6575.56.45.2
2023-03-28 07:0019.88.20.5633.45.34.3
2023-03-28 06:0018.66.80.5652.52.01.1
2023-03-28 05:0017.311.70.2631.74.43.5
2023-03-28 04:0018.314.10.5624.76.54.5
2023-03-28 03:0020.39.90.5618.77.74.2
2023-03-28 02:0026.74.20.5621.110.05.5
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.

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Last revision date: 01:07 29-03-2023