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Date TimeNO2O3SO2COPM10PM2.5
2023-06-05 10:0015.042.81.3-15.611.1
2023-06-05 09:0014.738.91.4-17.213.3
2023-06-05 08:0021.425.71.4-14.79.3
2023-06-05 07:0014.8-1.3-12.97.6
2023-06-05 06:005.940.8--12.78.5
2023-06-05 05:003.043.51.2-12.88.8
2023-06-05 04:005.539.61.4-15.310.5
2023-06-05 03:00-42.1--13.88.8
2023-06-05 02:008.438.91.3-13.69.6
2023-06-05 01:00-40.91.2-15.49.9
2023-06-05 00:0012.436.11.2-13.08.0
2023-06-04 23:0014.039.21.2-12.57.7
2023-06-04 22:0010.648.01.1-10.36.0
2023-06-04 21:008.948.51.1-9.36.9
2023-06-04 20:0011.050.11.1-9.45.4
2023-06-04 19:0016.248.01.3-11.07.7
2023-06-04 18:0013.149.21.3-12.09.8
2023-06-04 17:0011.752.01.4-10.17.4
2023-06-04 16:0010.954.11.2-10.06.4
2023-06-04 15:009.356.91.1-11.48.2
2023-06-04 14:009.461.31.2-10.87.6
2023-06-04 13:0010.462.51.0-14.113.0
2023-06-04 12:005.666.41.0-13.712.3
2023-06-04 11:007.367.21.1-12.811.4
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: 10:25 05-06-2023