Central/Western
Date TimeNO2O3SO2COPM10PM2.5
2024-03-29 08:0061.513.13.9-19.2-
2024-03-29 07:0065.57.03.7-18.215.9
2024-03-29 06:0035.831.62.7-20.315.9
2024-03-29 05:0022.143.42.7-36.218.5
2024-03-29 04:0033.636.23.0-34.018.5
2024-03-29 03:0028.444.62.4-28.815.8
2024-03-29 02:0025.453.22.5-31.315.7
2024-03-29 01:00-17.8--36.415.7
2024-03-29 00:0079.914.43.0-44.721.0
2024-03-28 23:00102.55.64.1-46.622.7
2024-03-28 22:00106.24.44.7-44.920.3
2024-03-28 21:0095.816.53.7-33.516.1
2024-03-28 20:0048.755.02.5-32.015.6
2024-03-28 19:0049.459.72.6-33.316.3
2024-03-28 18:0043.767.63.5-34.414.8
2024-03-28 17:0051.558.13.4-35.716.4
2024-03-28 16:0049.860.83.0-32.616.2
2024-03-28 15:0024.873.02.2-25.511.9
2024-03-28 14:0029.459.32.5-26.612.9
2024-03-28 13:0047.248.63.5-29.613.8
2024-03-28 12:0063.542.12.9-32.416.3
2024-03-28 11:0053.153.13.5-37.617.2
2024-03-28 10:0086.918.0--40.817.5
2024-03-28 09:0078.024.54.0-43.316.6
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: 08:07 29-03-2024