Tung Chung
Date TimeNO2O3SO2COPM10PM2.5
2022-01-20 18:0064.959.59.6643.149.635.2
2022-01-20 17:0054.591.59.9692.750.735.6
2022-01-20 16:0056.896.39.4682.851.035.2
2022-01-20 15:0050.594.89.3713.047.629.7
2022-01-20 14:0056.161.49.5675.034.522.0
2022-01-20 13:0054.651.49.6637.130.519.7
2022-01-20 12:0057.537.59.8706.933.821.5
2022-01-20 11:0058.520.910.5708.135.124.3
2022-01-20 10:0050.68.99.2719.324.818.7
2022-01-20 09:0041.99.67.7727.522.117.9
2022-01-20 08:0030.510.47.1662.716.312.8
2022-01-20 07:0029.411.27.0654.116.414.2
2022-01-20 06:0023.713.87.1652.113.812.2
2022-01-20 05:0021.812.77.2617.813.812.2
2022-01-20 04:0019.517.67.2634.012.210.7
2022-01-20 03:0020.420.48.1648.114.713.0
2022-01-20 02:0029.814.86.6671.214.110.9
2022-01-20 01:0034.513.26.1699.020.614.9
2022-01-20 00:0042.413.17.5722.223.917.7
2022-01-19 23:0049.412.27.7746.425.318.8
2022-01-19 22:0054.713.97.2744.027.720.4
2022-01-19 21:0055.819.97.2756.531.624.6
2022-01-19 20:0050.435.77.2747.331.124.4
2022-01-19 19:0045.949.07.7742.933.724.6
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: 18:07 20-01-2022