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Past 24 Hours Pollutant Concentration Summary

Yuen Long
Date TimeNO2O3SO2COPM10PM2.5
2024-02-27 06:0019.923.31.5644.816.912.3
2024-02-27 05:0020.124.11.8678.620.614.4
2024-02-27 04:0030.011.52.1774.927.719.8
2024-02-27 03:0033.87.12.0843.831.122.5
2024-02-27 02:0035.55.62.0870.933.724.1
2024-02-27 01:0044.61.63.0922.839.225.2
2024-02-27 00:0048.71.33.5966.040.724.8
2024-02-26 23:0052.11.43.5971.142.626.4
2024-02-26 22:0060.62.13.5915.745.028.2
2024-02-26 21:0070.08.03.2879.549.131.6
2024-02-26 20:0074.916.74.0869.856.036.9
2024-02-26 19:0081.235.83.9838.161.240.0
2024-02-26 18:0091.739.14.5825.465.842.6
2024-02-26 17:0080.655.33.8815.959.338.5
2024-02-26 16:0056.867.32.7789.448.932.5
2024-02-26 15:0034.758.02.2790.243.228.1
2024-02-26 14:0035.542.92.2744.742.925.9
2024-02-26 13:0028.431.92.1731.744.624.3
2024-02-26 12:0030.418.82.4765.846.820.9
2024-02-26 11:0029.312.82.2747.548.219.7
2024-02-26 10:0027.811.42.0733.937.816.5
2024-02-26 09:0026.310.31.1715.134.815.5
2024-02-26 08:0026.68.91.6756.736.816.3
2024-02-26 07:0022.313.11.5671.535.715.1
Remarks:

(1) Time shown is in Hong Kong time.

(2) NO2 - nitrogen dioxide, O3 - ozone,
     SO2 - sulphur dioxide, CO - carbon monoxide,
     PM10 - respirable suspended particulates,
     PM2.5 - fine suspended particulates

(3) Concentration shown is in µg/m3.

(4) The pollutant concentration is based on real time data taken directly from EPD's Air Quality Monitoring Network.