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Past 24 Hours Pollutant Concentration Summary

Yuen Long
Date TimeNO2O3SO2COPM10PM2.5
2022-05-27 06:0028.320.02.6631.216.112.8
2022-05-27 05:0029.417.72.7646.215.612.2
2022-05-27 04:0031.417.32.7635.214.511.4
2022-05-27 03:0033.919.92.7616.513.011.1
2022-05-27 02:0035.023.23.6627.412.410.2
2022-05-27 01:00----11.48.8
2022-05-27 00:0051.318.93.3642.910.58.6
2022-05-26 23:0053.122.44.3693.413.310.6
2022-05-26 22:0063.416.33.1681.911.28.6
2022-05-26 21:0055.824.32.8682.811.58.4
2022-05-26 20:0040.841.92.7696.112.59.7
2022-05-26 19:0049.738.42.9725.512.29.4
2022-05-26 18:0035.142.92.8682.712.09.5
2022-05-26 17:0034.038.13.2676.512.09.4
2022-05-26 16:0032.543.72.9663.38.97.0
2022-05-26 15:0039.240.72.9710.79.57.2
2022-05-26 14:0046.435.03.4692.88.76.8
2022-05-26 13:0034.037.73.5636.39.07.1
2022-05-26 12:0032.735.93.1644.810.88.1
2022-05-26 11:0041.026.33.3653.215.712.1
2022-05-26 10:0047.414.43.0715.815.611.3
2022-05-26 09:0037.213.32.7744.414.210.0
2022-05-26 08:0033.914.62.6715.811.67.8
2022-05-26 07:0037.710.32.7809.314.011.1
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.