Past 24 Hours Pollutant Concentration Summary

Yuen Long
Date TimeNO2O3SO2COPM10PM2.5
2019-02-22 19:00120.948.17.51,084.463.125.4
2019-02-22 18:0098.582.33.41,064.162.623.9
2019-02-22 17:0077.7103.72.21,018.057.822.2
2019-02-22 16:0058.7131.71.51,002.945.322.0
2019-02-22 15:0044.6117.21.7927.050.213.0
2019-02-22 14:0049.073.81.61,032.541.613.7
2019-02-22 13:0043.834.01.11,086.145.912.3
2019-02-22 12:0035.117.61.41,100.640.010.9
2019-02-22 11:0032.310.71.31,120.537.311.7
2019-02-22 10:0028.18.90.91,058.829.89.9
2019-02-22 09:0031.06.91.21,094.427.312.2
2019-02-22 08:0031.86.71.31,072.920.710.0
2019-02-22 07:0034.75.92.71,038.818.610.7
2019-02-22 06:0033.05.93.71,073.322.07.4
2019-02-22 05:0034.15.62.01,040.024.010.4
2019-02-22 04:0036.15.72.1980.911.59.4
2019-02-22 03:0038.75.52.0911.09.33.1
2019-02-22 02:0041.95.43.1868.59.54.5
2019-02-22 01:00----24.85.3
2019-02-22 00:0049.07.81.7771.232.87.3
2019-02-21 23:0052.425.21.2554.427.914.6
2019-02-21 22:0045.932.90.8549.624.015.3
2019-02-21 21:0048.037.20.6550.526.815.2
2019-02-21 20:0054.734.02.4643.631.715.9
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.

Mobile Version | Desktop Version
Last revision date:19:07 22-02-2019