Central/Western
Date TimeNO2O3SO2COPM10PM2.5
2024-03-19 16:0041.8108.03.0-20.610.6
2024-03-19 15:0044.090.82.7-20.19.6
2024-03-19 14:0030.588.42.4-14.67.4
2024-03-19 13:0038.751.32.1-9.64.7
2024-03-19 12:0035.034.02.9-7.92.8
2024-03-19 11:0034.926.02.6-9.34.3
2024-03-19 10:0039.018.12.3-6.32.3
2024-03-19 09:0041.915.52.9-7.13.7
2024-03-19 08:0039.626.42.9-25.014.7
2024-03-19 07:0025.760.42.1-38.421.1
2024-03-19 06:0013.575.52.1-41.423.4
2024-03-19 05:0010.980.62.1-36.219.3
2024-03-19 04:009.389.12.1-34.516.9
2024-03-19 03:0011.190.22.2-37.516.2
2024-03-19 02:0012.292.02.2-38.516.2
2024-03-19 01:00-86.2--35.316.1
2024-03-19 00:0022.381.12.1-36.919.4
2024-03-18 23:0022.686.32.1-32.818.9
2024-03-18 22:0019.791.62.0-33.821.5
2024-03-18 21:0034.180.92.8-43.125.9
2024-03-18 20:0029.290.33.1-43.124.5
2024-03-18 19:0039.783.32.1-39.921.2
2024-03-18 18:0047.874.52.1-44.821.8
2024-03-18 17:0056.465.42.2-48.322.2
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: 16:07 19-03-2024