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Tung Chung
Date TimeNO2O3SO2COPM10PM2.5
2023-12-04 21:0071.53.810.5940.240.115.1
2023-12-04 20:0088.710.013.8961.258.634.7
2023-12-04 19:00100.413.112.2844.870.552.0
2023-12-04 18:0072.745.911.0757.765.946.1
2023-12-04 17:0061.399.111.8752.948.020.0
2023-12-04 16:0075.7115.012.7781.451.223.6
2023-12-04 15:0064.1123.110.8761.027.414.7
2023-12-04 14:0063.865.311.0729.932.410.8
2023-12-04 13:0078.042.511.5810.638.914.8
2023-12-04 12:0067.230.910.7815.326.210.7
2023-12-04 11:0046.032.28.2694.030.214.1
2023-12-04 10:0031.617.77.7690.238.017.5
2023-12-04 09:0038.814.87.1691.638.815.6
2023-12-04 08:0030.422.96.8657.636.012.9
2023-12-04 07:0027.729.96.9673.032.613.4
2023-12-04 06:0022.444.36.8622.821.49.3
2023-12-04 05:0019.348.96.8621.115.96.4
2023-12-04 04:0020.160.26.8630.015.57.1
2023-12-04 03:0017.845.57.0643.018.28.4
2023-12-04 02:0025.967.37.2624.820.09.2
2023-12-04 01:00----22.09.5
2023-12-04 00:0024.177.87.2732.723.110.9
2023-12-03 23:0030.166.07.2717.220.410.2
2023-12-03 22:0037.732.37.0757.021.711.6
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: 21:07 04-12-2023