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Tung Chung
Date TimeNO2O3SO2COPM10PM2.5
2023-01-30 06:0019.135.15.9404.721.814.4
2023-01-30 05:0014.243.66.4402.921.013.8
2023-01-30 04:0015.144.67.5413.122.715.7
2023-01-30 03:0015.546.411.8412.823.416.5
2023-01-30 02:0022.041.212.0435.026.417.9
2023-01-30 01:00----30.320.6
2023-01-30 00:0027.246.76.3484.731.820.1
2023-01-29 23:0034.136.36.7496.834.222.1
2023-01-29 22:0035.634.76.2494.434.221.2
2023-01-29 21:0039.528.56.3491.832.620.5
2023-01-29 20:0039.327.26.9486.734.221.5
2023-01-29 19:0038.928.16.6473.741.425.1
2023-01-29 18:0030.386.68.0443.944.123.2
2023-01-29 17:0022.899.58.8453.347.425.6
2023-01-29 16:0021.397.58.7447.549.928.4
2023-01-29 15:0023.093.09.2448.350.928.6
2023-01-29 14:0022.886.39.6439.648.526.6
2023-01-29 13:0019.175.99.2430.742.322.5
2023-01-29 12:0017.069.07.5407.942.422.2
2023-01-29 11:0016.069.67.5407.542.923.3
2023-01-29 10:0014.658.27.2408.443.124.7
2023-01-29 09:0011.267.37.4396.043.224.8
2023-01-29 08:0012.861.26.7396.247.027.8
2023-01-29 07:007.676.47.0398.049.828.9
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: 06:07 30-01-2023