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Date TimeNO2O3SO2COPM10PM2.5
2024-04-28 14:0036.678.13.9713.710.88.0
2024-04-28 13:0018.193.63.5688.524.59.0
2024-04-28 12:0019.785.13.3718.923.110.0
2024-04-28 11:0028.580.13.6685.814.38.1
2024-04-28 10:0017.491.83.3665.812.16.1
2024-04-28 09:0021.084.93.4695.811.07.9
2024-04-28 08:0022.965.33.3703.518.79.9
2024-04-28 07:0024.030.93.5632.417.114.8
2024-04-28 06:0014.124.13.4635.520.96.3
2024-04-28 05:0015.426.03.5597.426.810.8
2024-04-28 04:0014.927.13.5574.717.37.1
2024-04-28 03:0011.228.43.5564.822.88.9
2024-04-28 02:0013.226.53.6566.128.810.9
2024-04-28 01:0015.123.33.6576.123.213.9
2024-04-28 00:0025.814.83.8592.417.29.2
2024-04-27 23:0026.415.33.8602.226.79.0
2024-04-27 22:0030.010.43.9634.030.98.0
2024-04-27 21:0031.09.33.9652.123.317.7
2024-04-27 20:0033.810.43.9666.431.79.3
2024-04-27 19:0034.513.73.8648.630.119.6
2024-04-27 18:0035.314.13.9638.129.018.1
2024-04-27 17:0034.815.24.1642.028.015.1
2024-04-27 16:0033.820.54.1645.530.916.0
2024-04-27 15:0034.521.34.2662.326.213.1
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: 14:07 28-04-2024