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Yuen Long
Date TimeNO2O3SO2COPM10PM2.5
2024-03-19 19:0065.377.80.8888.126.613.5
2024-03-19 18:0071.481.22.3872.127.715.1
2024-03-19 17:0076.184.72.4889.628.915.1
2024-03-19 16:0061.484.02.3900.327.615.5
2024-03-19 15:0054.1101.42.6911.128.217.3
2024-03-19 14:0048.8101.02.2958.121.513.6
2024-03-19 13:0027.7101.71.5936.317.510.8
2024-03-19 12:0032.054.41.9979.810.26.1
2024-03-19 11:0029.233.71.5977.95.54.2
2024-03-19 10:0032.626.21.4972.44.03.0
2024-03-19 09:0028.027.41.01,012.22.61.3
2024-03-19 08:0029.920.01.5989.310.89.1
2024-03-19 07:0031.238.41.5756.023.516.0
2024-03-19 06:0013.065.61.6683.931.119.1
2024-03-19 05:0014.364.81.4679.631.318.0
2024-03-19 04:0013.864.11.3698.633.318.1
2024-03-19 03:0016.461.51.3678.928.916.6
2024-03-19 02:0017.364.21.0683.827.918.3
2024-03-19 01:00----24.516.0
2024-03-19 00:0016.171.51.0715.920.014.5
2024-03-18 23:0026.268.91.4749.917.214.0
2024-03-18 22:0034.260.11.7787.119.616.0
2024-03-18 21:0039.257.01.4854.223.018.1
2024-03-18 20:0044.056.11.5838.325.218.0
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.

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Last revision date: 19:07 19-03-2024