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Central
Date TimeNO2O3SO2COPM10PM2.5
2024-04-25 17:0064.012.14.2470.620.812.8
2024-04-25 16:0065.024.04.2465.234.817.9
2024-04-25 15:0066.129.12.8460.329.714.8
2024-04-25 14:0069.419.93.2540.629.123.5
2024-04-25 13:0054.39.33.6529.223.820.2
2024-04-25 12:0045.514.23.6477.727.720.2
2024-04-25 11:0068.25.94.9615.529.620.8
2024-04-25 10:0088.55.25.6717.925.115.7
2024-04-25 09:00104.19.83.4561.625.817.9
2024-04-25 08:0086.226.92.4420.414.58.1
2024-04-25 07:0052.456.61.7368.87.64.7
2024-04-25 06:0025.583.01.4314.26.23.3
2024-04-25 05:0031.165.11.8288.219.611.0
2024-04-25 04:0024.763.21.6337.721.211.3
2024-04-25 03:0029.661.01.6322.519.510.1
2024-04-25 02:0030.660.71.6332.820.011.1
2024-04-25 01:0045.050.01.8369.228.316.1
2024-04-25 00:0055.731.22.1454.337.229.3
2024-04-24 23:0056.136.62.1478.329.322.7
2024-04-24 22:0071.034.72.5601.444.736.6
2024-04-24 21:00110.112.63.8611.439.932.4
2024-04-24 20:00120.410.34.1668.547.236.3
2024-04-24 19:00124.85.05.6711.345.032.5
2024-04-24 18:00121.25.44.7684.345.533.1
Remarks:

(1) Time shown is in Hong Kong time.

(2) Concentration shown is in microgram per cubic metre (µg/m3).

(3) Abbreviation:
NO2 - nitrogen dioxide, O3 - ozone,
SO2 - sulphur dioxide, CO - carbon monoxide,
PM10 - respirable suspended particulates,
PM2.5 - fine suspended particulates

(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 25-04-2024