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Date TimeNO2O3SO2COPM10PM2.5
2024-04-26 01:007.095.51.3463.213.85.6
2024-04-26 00:007.996.81.3438.48.61.7
2024-04-25 23:007.692.41.4440.512.56.5
2024-04-25 22:007.488.11.2389.29.45.1
2024-04-25 21:009.295.91.5412.211.46.8
2024-04-25 20:007.598.61.3385.810.86.6
2024-04-25 19:009.584.61.4349.010.16.7
2024-04-25 18:0016.857.11.4278.88.95.5
2024-04-25 17:0013.957.01.2280.910.56.9
2024-04-25 16:005.764.21.3284.28.55.3
2024-04-25 15:005.969.91.1334.98.94.6
2024-04-25 14:005.467.31.1340.87.73.4
2024-04-25 13:0010.284.31.1361.51.4-
2024-04-25 12:009.283.60.9335.04.40.5
2024-04-25 11:003.189.91.1332.58.21.7
2024-04-25 10:003.896.51.1342.79.13.7
2024-04-25 09:003.697.61.2353.95.5-
2024-04-25 08:005.2105.71.1346.98.22.7
2024-04-25 07:006.8111.51.0349.23.4-
2024-04-25 06:003.5116.61.1339.49.43.0
2024-04-25 05:003.3118.91.0328.48.62.3
2024-04-25 04:008.8117.81.1336.115.24.1
2024-04-25 03:005.6116.71.2342.617.74.9
2024-04-25 02:003.7116.51.5356.518.84.8
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: 01:07 26-04-2024