Southern
Date TimeNO2O3SO2COPM10PM2.5
2021-10-16 17:0028.389.52.2605.721.411.3
2021-10-16 16:0024.894.92.2576.123.810.6
2021-10-16 15:0026.096.42.5558.222.111.8
2021-10-16 14:0022.196.32.5530.828.512.9
2021-10-16 13:0025.189.81.8502.528.217.5
2021-10-16 12:0027.476.41.6553.427.015.7
2021-10-16 11:0031.356.11.8601.324.614.4
2021-10-16 10:0028.341.62.0603.923.616.7
2021-10-16 09:0024.235.81.8601.720.914.2
2021-10-16 08:0028.325.82.0585.819.510.9
2021-10-16 07:0019.137.01.6472.221.99.7
2021-10-16 06:0012.150.61.7396.622.09.8
2021-10-16 05:009.955.41.8392.821.211.5
2021-10-16 04:0010.857.62.0382.821.112.2
2021-10-16 03:009.360.92.1353.521.96.7
2021-10-16 02:009.862.41.7351.918.74.1
2021-10-16 01:0013.657.01.3374.616.39.1
2021-10-16 00:0016.653.71.5393.812.19.9
2021-10-15 23:0028.036.71.8472.97.26.9
2021-10-15 22:0029.536.72.3423.18.95.1
2021-10-15 21:0028.238.41.9429.814.97.3
2021-10-15 20:0017.854.81.3384.111.15.8
2021-10-15 19:0013.254.71.2383.06.73.7
2021-10-15 18:0016.749.81.3376.17.12.4
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: 17:07 16-10-2021