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Tsuen Wan
Date TimeNO2O3SO2COPM10PM2.5
2024-05-16 04:0011.9149.23.4346.219.913.1
2024-05-16 03:0012.7153.12.8360.819.712.4
2024-05-16 02:00----22.916.4
2024-05-16 01:00----23.116.5
2024-05-16 00:0035.3104.12.0515.322.716.2
2024-05-15 23:0035.298.02.1505.923.316.8
2024-05-15 22:0041.696.02.5537.824.616.8
2024-05-15 21:0058.089.43.0571.429.621.2
2024-05-15 20:0067.980.44.3587.731.521.7
2024-05-15 19:00107.787.79.4494.631.420.5
2024-05-15 18:0062.7135.54.0483.927.715.7
2024-05-15 17:0062.4139.65.1447.630.518.2
2024-05-15 16:0061.1143.25.8422.733.118.6
2024-05-15 15:0059.0146.95.1438.031.518.8
2024-05-15 14:0068.5127.95.0449.829.817.6
2024-05-15 13:0057.8132.74.5445.427.615.7
2024-05-15 12:0054.5120.84.4448.823.614.1
2024-05-15 11:0028.7130.12.8431.521.711.1
2024-05-15 10:0026.7122.42.5436.723.613.2
2024-05-15 09:0027.1119.82.6427.520.810.6
2024-05-15 08:0029.5114.82.2457.820.210.5
2024-05-15 07:0030.9101.52.1468.317.99.3
2024-05-15 06:0015.1117.52.0424.017.69.0
2024-05-15 05:0011.5126.82.2392.919.110.2
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: 04:07 16-05-2024