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North
Date TimeNO2O3SO2COPM10PM2.5
2024-04-19 15:0024.442.22.7298.312.2-
2024-04-19 14:0015.550.72.4254.520.117.2
2024-04-19 13:0012.752.52.6228.829.218.1
2024-04-19 12:0015.547.82.6289.624.920.6
2024-04-19 11:0018.644.72.4247.021.117.2
2024-04-19 10:0020.041.92.7266.818.914.6
2024-04-19 09:0022.235.82.6287.315.514.0
2024-04-19 08:0017.336.12.6258.715.314.6
2024-04-19 07:0013.542.02.7285.314.712.3
2024-04-19 06:0012.156.92.5327.712.18.4
2024-04-19 05:0013.860.52.8320.614.49.7
2024-04-19 04:007.764.82.2298.312.011.9
2024-04-19 03:0022.240.51.8360.011.310.7
2024-04-19 02:0020.549.91.7354.315.29.4
2024-04-19 01:0017.263.41.7349.915.08.8
2024-04-19 00:0020.665.41.7329.514.99.7
2024-04-18 23:0040.049.31.9395.317.813.0
2024-04-18 22:0067.027.62.5592.017.714.6
2024-04-18 21:0083.38.73.2580.915.714.6
2024-04-18 20:0074.411.02.7561.417.615.6
2024-04-18 19:0074.928.52.1448.516.815.3
2024-04-18 18:0044.958.61.6327.216.711.8
2024-04-18 17:0054.642.41.8363.715.88.2
2024-04-18 16:0087.532.01.9586.315.19.7
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 19-04-2024