Sha Tin
Date TimeNO2O3SO2COPM10PM2.5
2021-09-22 19:007.256.25.0-5.43.6
2021-09-22 18:006.556.05.2-4.53.2
2021-09-22 17:003.160.94.1-2.52.1
2021-09-22 16:003.355.14.5-3.73.5
2021-09-22 15:002.456.14.2-4.44.1
2021-09-22 14:002.660.14.1-2.11.8
2021-09-22 13:004.557.54.9-5.23.6
2021-09-22 12:007.854.05.1-5.83.8
2021-09-22 11:0010.238.14.3-5.13.0
2021-09-22 10:0010.331.74.9-7.24.8
2021-09-22 09:0019.517.85.1-15.69.4
2021-09-22 08:0020.94.84.2-14.26.1
2021-09-22 07:0019.72.45.1-16.67.8
2021-09-22 06:0020.81.15.5-14.25.8
2021-09-22 05:0021.61.68.1-12.03.5
2021-09-22 04:00----16.66.9
2021-09-22 03:0029.50.43.3-21.410.1
2021-09-22 02:0036.80.84.0-21.710.5
2021-09-22 01:0045.0-3.8-21.111.0
2021-09-22 00:0047.90.54.2-19.89.8
2021-09-21 23:0049.60.24.8-20.19.8
2021-09-21 22:0052.70.25.9-21.512.1
2021-09-21 21:0056.00.45.2-24.515.3
2021-09-21 20:0064.00.55.9-24.615.3
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: 19:07 22-09-2021