Mong Kok
Date TimeNO2O3SO2COPM10PM2.5
2022-01-20 17:00109.623.04.9737.244.627.8
2022-01-20 16:00108.725.04.7744.639.224.3
2022-01-20 15:00104.423.85.5765.033.521.3
2022-01-20 14:0099.226.84.7713.231.019.8
2022-01-20 13:0080.535.23.7656.425.614.4
2022-01-20 12:0059.945.63.1609.927.315.9
2022-01-20 11:0059.342.32.9584.030.919.5
2022-01-20 10:0085.617.74.4813.732.420.6
2022-01-20 09:0081.614.24.8791.027.618.3
2022-01-20 08:0070.019.93.5686.526.317.6
2022-01-20 07:0043.838.02.7596.723.815.5
2022-01-20 06:0035.146.52.6621.622.915.8
2022-01-20 05:0030.142.62.3642.819.713.7
2022-01-20 04:0034.437.02.7659.718.812.7
2022-01-20 03:00-27.5--18.512.5
2022-01-20 02:0044.826.73.0716.517.711.7
2022-01-20 01:0056.721.73.4748.517.911.8
2022-01-20 00:0075.413.14.6862.123.514.6
2022-01-19 23:0071.424.93.7734.227.616.5
2022-01-19 22:0088.623.34.0835.030.418.9
2022-01-19 21:00103.024.13.9863.841.126.3
2022-01-19 20:00149.718.66.8926.044.528.5
2022-01-19 19:00145.027.87.4952.442.127.6
2022-01-19 18:00149.322.67.2906.137.125.4
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: 17:07 20-01-2022