Past 24 Hours Pollutant Concentration Summary

Tuen Mun
Date TimeNO2O3SO2COPM10PM2.5
2020-06-05 04:0016.924.30.7295.09.92.2
2020-06-05 03:0016.124.81.0306.611.93.0
2020-06-05 02:0024.819.81.6323.512.04.9
2020-06-05 01:0028.817.31.8338.113.06.9
2020-06-05 00:0036.28.12.1344.116.97.0
2020-06-04 23:0030.113.52.4330.119.93.1
2020-06-04 22:0024.221.11.0337.513.24.0
2020-06-04 21:0034.113.81.5360.815.95.9
2020-06-04 20:0036.915.22.0378.024.77.0
2020-06-04 19:0035.817.43.0361.917.36.0
2020-06-04 18:0027.427.21.8326.812.29.9
2020-06-04 17:0023.035.12.3311.520.76.1
2020-06-04 16:0023.037.33.6301.920.07.0
2020-06-04 15:0022.736.22.7310.316.18.9
2020-06-04 14:0024.736.41.9319.314.18.0
2020-06-04 13:0025.334.12.6314.422.78.0
2020-06-04 12:0030.528.03.3326.618.210.9
2020-06-04 11:0028.827.62.1321.516.110.9
2020-06-04 10:0025.127.31.7312.311.27.0
2020-06-04 09:0032.117.53.0377.513.98.0
2020-06-04 08:0031.915.82.1392.015.98.0
2020-06-04 07:0035.39.42.3380.012.16.0
2020-06-04 06:0034.510.72.1384.012.07.0
2020-06-04 05:0034.910.81.6438.913.98.9
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.

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Last revision date:04:07 05-06-2020