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Date TimeNO2O3SO2COPM10PM2.5
2024-04-28 15:003.2129.71.1351.712.93.2
2024-04-28 14:002.5131.31.2349.124.07.1
2024-04-28 13:002.8129.11.4342.427.911.2
2024-04-28 12:005.3122.71.3327.721.87.7
2024-04-28 11:003.7125.41.5330.815.22.9
2024-04-28 10:002.6125.41.4329.514.72.1
2024-04-28 09:001.5125.61.3310.814.33.0
2024-04-28 08:002.0123.91.1328.116.88.4
2024-04-28 07:003.4106.31.1333.417.68.2
2024-04-28 06:002.5104.41.0337.615.03.2
2024-04-28 05:004.5106.01.1321.638.926.7
2024-04-28 04:002.0112.61.0329.240.526.9
2024-04-28 03:001.8106.81.0318.818.11.1
2024-04-28 02:002.7107.30.9321.36.1-
2024-04-28 01:003.295.91.1306.019.4-
2024-04-28 00:002.1104.71.0319.230.49.5
2024-04-27 23:005.785.01.2316.522.49.1
2024-04-27 22:006.737.71.0252.422.58.1
2024-04-27 21:007.338.21.3241.927.29.7
2024-04-27 20:005.040.61.1250.226.27.2
2024-04-27 19:004.340.41.3256.228.311.7
2024-04-27 18:003.444.21.3266.322.89.0
2024-04-27 17:003.048.51.2262.917.83.8
2024-04-27 16:009.154.11.4293.5--
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: 15:07 28-04-2024