Central
Date TimeNO2O3SO2COPM10PM2.5
2022-12-01 16:0064.14.27.11,020.327.714.5
2022-12-01 15:0064.34.86.41,018.518.49.6
2022-12-01 14:0055.06.64.6973.415.17.2
2022-12-01 13:0046.47.04.0936.313.66.1
2022-12-01 12:0040.87.03.6938.218.711.8
2022-12-01 11:0043.25.15.0959.418.110.2
2022-12-01 10:0053.73.67.51,065.416.88.5
2022-12-01 09:0039.73.74.8990.514.66.7
2022-12-01 08:0036.13.44.1966.516.28.8
2022-12-01 07:0032.53.73.1940.212.57.2
2022-12-01 06:0026.15.92.2931.512.48.1
2022-12-01 05:0025.96.52.3922.013.27.3
2022-12-01 04:0026.66.82.5943.214.58.1
2022-12-01 03:00-5.2--16.010.4
2022-12-01 02:0029.64.42.91,026.017.711.2
2022-12-01 01:0034.73.64.01,074.018.49.4
2022-12-01 00:0036.13.64.21,128.121.112.3
2022-11-30 23:0040.53.54.51,199.922.613.9
2022-11-30 22:0040.94.04.41,315.219.312.3
2022-11-30 21:0040.05.44.11,378.022.414.5
2022-11-30 20:0049.54.05.51,408.721.514.1
2022-11-30 19:0043.15.64.01,311.816.18.3
2022-11-30 18:0045.35.44.41,300.619.710.0
2022-11-30 17:0051.34.94.01,300.921.68.5
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: 16:07 01-12-2022