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Southern
Date TimeNO2O3SO2COPM10PM2.5
2024-05-27 02:0018.535.42.7300.84.6-
2024-05-27 01:0016.037.12.6301.47.65.9
2024-05-27 00:0012.141.62.5311.014.16.3
2024-05-26 23:0014.243.62.4312.120.46.6
2024-05-26 22:0021.136.42.5359.618.06.2
2024-05-26 21:0029.031.32.8340.415.35.9
2024-05-26 20:0031.534.32.5335.816.49.2
2024-05-26 19:0043.328.22.8368.519.510.7
2024-05-26 18:0052.129.83.3380.218.411.3
2024-05-26 17:0036.743.12.5350.111.59.4
2024-05-26 16:0039.243.92.6362.214.112.0
2024-05-26 15:0033.341.13.2341.218.716.7
2024-05-26 14:0048.923.63.3349.621.413.1
2024-05-26 13:0026.640.12.3323.618.39.5
2024-05-26 12:0014.747.52.1298.713.16.6
2024-05-26 11:0025.734.72.0331.317.19.5
2024-05-26 10:0027.927.42.4366.325.117.0
2024-05-26 09:0042.913.32.8456.022.815.5
2024-05-26 08:0033.011.82.4538.218.39.0
2024-05-26 07:007.421.01.3294.021.36.4
2024-05-26 06:004.022.41.2273.925.06.3
2024-05-26 05:003.321.71.5287.021.95.9
2024-05-26 04:005.821.31.7290.114.03.7
2024-05-26 03:005.428.41.5265.510.62.0
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: 02:07 27-05-2024