Central/Western
Date TimeNO2O3SO2COPM10PM2.5
2024-03-29 22:0062.495.63.7-63.334.4
2024-03-29 21:0067.388.83.8-63.736.0
2024-03-29 20:0098.469.04.0-71.740.6
2024-03-29 19:00126.257.24.2-72.539.7
2024-03-29 18:00132.859.74.5-66.235.8
2024-03-29 17:0061.1121.95.9-48.527.7
2024-03-29 16:0055.0110.68.1-43.926.1
2024-03-29 15:0044.1114.06.5-51.629.4
2024-03-29 14:0040.8105.55.3-39.528.9
2024-03-29 13:0032.4112.25.5-42.634.5
2024-03-29 12:0054.763.04.5-49.531.5
2024-03-29 11:0051.143.24.3-48.526.2
2024-03-29 10:0058.724.74.2-43.427.3
2024-03-29 09:0061.414.34.0-49.2-
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
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: 22:07 29-03-2024