Yuen Long
Date TimeNO2O3SO2COPM10PM2.5
2021-10-16 15:0025.999.59.7607.927.315.7
2021-10-16 14:0028.2101.99.5622.028.416.7
2021-10-16 13:0031.2100.49.8682.230.818.4
2021-10-16 12:0037.074.39.5709.627.014.4
2021-10-16 11:0033.347.99.9754.028.915.0
2021-10-16 10:0034.228.79.8751.124.215.6
2021-10-16 09:0038.315.39.7765.826.118.6
2021-10-16 08:0039.19.99.5752.123.717.2
2021-10-16 07:0027.318.69.4635.222.816.3
2021-10-16 06:0025.917.99.3606.623.115.6
2021-10-16 05:0025.816.39.7593.422.815.5
2021-10-16 04:0024.319.09.5585.122.715.2
2021-10-16 03:0031.313.49.4574.020.012.9
2021-10-16 02:0038.86.39.8585.517.411.4
2021-10-16 01:0041.56.79.5591.816.511.1
2021-10-16 00:0044.04.99.3616.815.09.6
2021-10-15 23:0047.32.89.2625.214.99.7
2021-10-15 22:0044.95.19.2617.517.813.0
2021-10-15 21:0053.92.49.3678.118.413.4
2021-10-15 20:0062.42.29.3716.314.210.7
2021-10-15 19:0061.05.59.1647.213.210.0
2021-10-15 18:0060.09.38.9594.78.25.8
2021-10-15 17:0046.420.88.9520.46.84.6
2021-10-15 16:0035.036.69.2477.916.313.5
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: 15:07 16-10-2021