Southern
Date TimeNO2O3SO2COPM10PM2.5
2023-02-08 04:008.678.44.2293.812.811.2
2023-02-08 03:0010.381.04.2311.717.514.0
2023-02-08 02:0012.980.34.3340.125.115.5
2023-02-08 01:0019.273.14.5313.525.216.8
2023-02-08 00:0021.360.94.4271.426.918.1
2023-02-07 23:0023.162.94.6302.720.014.5
2023-02-07 22:0025.966.24.7314.615.413.6
2023-02-07 21:0047.124.85.4433.112.011.4
2023-02-07 20:0067.25.26.1597.29.24.9
2023-02-07 19:0049.126.05.7429.715.22.6
2023-02-07 18:0028.454.36.3284.815.05.4
2023-02-07 17:0020.262.26.6258.114.78.7
2023-02-07 16:0013.767.06.2245.916.510.3
2023-02-07 15:0023.459.96.3276.220.012.7
2023-02-07 14:0023.459.86.2298.522.211.9
2023-02-07 13:0052.330.58.5341.026.69.4
2023-02-07 12:0066.816.010.7403.824.18.8
2023-02-07 11:0070.99.514.1450.222.711.9
2023-02-07 10:0068.38.213.3345.024.517.2
2023-02-07 09:0063.210.012.5371.521.816.5
2023-02-07 08:0075.74.013.3487.515.87.7
2023-02-07 07:0052.011.78.3417.215.412.3
2023-02-07 06:0054.910.18.7369.919.214.2
2023-02-07 05:0072.73.811.4326.720.55.2
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: 04:07 08-02-2023