Past 24 Hours Pollutant Concentration Summary

Tung Chung
Date TimeNO2O3SO2COPM10PM2.5
2019-02-22 20:0044.761.610.8780.853.037.9
2019-02-22 19:0045.886.311.5829.356.741.0
2019-02-22 18:0055.989.511.6810.560.943.6
2019-02-22 17:0065.898.612.2805.861.741.7
2019-02-22 16:0071.973.413.8848.556.334.6
2019-02-22 15:0067.139.715.7861.651.032.0
2019-02-22 14:0051.423.315.7861.649.031.2
2019-02-22 13:0047.415.116.2897.948.828.6
2019-02-22 12:0039.09.120.2897.644.925.0
2019-02-22 11:0036.17.315.1939.836.921.0
2019-02-22 10:0028.26.512.8837.326.116.6
2019-02-22 09:0028.46.212.5848.023.915.5
2019-02-22 08:0028.35.812.0839.523.214.5
2019-02-22 07:0028.45.611.7859.019.712.2
2019-02-22 06:0029.45.211.5843.816.810.3
2019-02-22 05:0030.55.611.7822.413.88.8
2019-02-22 04:0032.14.611.5782.112.68.9
2019-02-22 03:0033.44.710.7752.413.09.1
2019-02-22 02:0031.65.110.0732.912.98.7
2019-02-22 01:00----15.58.2
2019-02-22 00:0043.76.59.4579.219.49.4
2019-02-21 23:0027.139.19.3176.818.310.4
2019-02-21 22:007.660.49.2134.118.010.6
2019-02-21 21:008.264.89.2188.020.111.0
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:20:07 22-02-2019