Tung Chung
Date TimeNO2O3SO2COPM10PM2.5
2021-09-22 18:0011.041.87.2198.02.92.1
2021-09-22 17:0013.741.46.9174.72.32.0
2021-09-22 16:0010.553.46.5178.41.10.4
2021-09-22 15:006.368.47.1193.13.63.3
2021-09-22 14:0024.846.08.9290.66.65.2
2021-09-22 13:0019.448.77.1277.92.52.2
2021-09-22 12:0011.147.56.8207.12.22.0
2021-09-22 11:0014.233.56.5245.23.01.8
2021-09-22 10:0012.028.47.3261.28.57.2
2021-09-22 09:0017.215.47.5297.37.65.5
2021-09-22 08:0016.17.77.0277.99.55.9
2021-09-22 07:0018.15.56.5278.58.53.6
2021-09-22 06:0016.65.36.3253.37.02.3
2021-09-22 05:0012.910.56.1236.06.11.7
2021-09-22 04:0018.811.16.5255.17.43.1
2021-09-22 03:0030.06.56.9299.412.57.6
2021-09-22 02:0035.86.97.1324.512.87.4
2021-09-22 01:0033.16.36.9337.413.67.4
2021-09-22 00:0036.35.56.8404.712.45.5
2021-09-21 23:0035.14.06.9407.313.97.8
2021-09-21 22:0033.73.76.9376.512.27.8
2021-09-21 21:0034.34.76.9385.110.45.9
2021-09-21 20:0034.84.96.9381.28.14.4
2021-09-21 19:0041.64.17.1414.19.35.5
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: 18:07 22-09-2021