Yuen Long
Date TimeNO2O3SO2COPM10PM2.5
2022-07-02 08:005.464.32.7368.49.15.8
2022-07-02 07:005.359.52.7378.27.33.3
2022-07-02 06:006.560.02.7375.09.14.7
2022-07-02 05:005.459.82.7367.83.81.5
2022-07-02 04:004.060.22.7330.63.61.5
2022-07-02 03:006.652.92.7360.23.81.1
2022-07-02 02:006.055.92.6356.75.81.8
2022-07-02 01:00----5.11.6
2022-07-02 00:004.457.52.7352.93.90.7
2022-07-01 23:006.154.42.7369.94.40.7
2022-07-01 22:007.252.32.7370.27.32.0
2022-07-01 21:0010.447.52.7410.011.36.3
2022-07-01 20:0014.243.52.7437.59.35.1
2022-07-01 19:0017.239.32.7459.46.03.2
2022-07-01 18:0026.232.12.3460.15.74.0
2022-07-01 17:0019.738.82.5461.35.74.1
2022-07-01 16:0020.039.32.7478.23.62.4
2022-07-01 15:0018.536.72.7476.45.23.5
2022-07-01 14:0017.445.62.9464.95.23.6
2022-07-01 13:0014.348.43.0422.24.32.9
2022-07-01 12:0014.846.22.9398.45.64.3
2022-07-01 11:0023.333.62.8448.43.52.1
2022-07-01 10:0020.131.52.8431.23.33.3
2022-07-01 09:0018.132.82.8413.42.81.9
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: 08:07 02-07-2022