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Mong Kok
Date TimeNO2O3SO2COPM10PM2.5
2023-05-28 17:0075.957.44.7608.131.819.3
2023-05-28 16:0084.343.84.5602.128.316.8
2023-05-28 15:0066.850.23.8541.027.418.5
2023-05-28 14:0076.331.24.8636.726.416.8
2023-05-28 13:0077.728.75.7615.627.017.3
2023-05-28 12:0068.527.04.8648.124.713.7
2023-05-28 11:0063.230.34.3603.623.012.1
2023-05-28 10:0057.133.83.5552.820.810.3
2023-05-28 09:0045.132.43.2484.520.510.0
2023-05-28 08:0054.525.33.4544.620.59.6
2023-05-28 07:0036.936.02.9508.217.97.5
2023-05-28 06:0032.541.62.7544.817.67.6
2023-05-28 05:0023.347.22.7482.115.07.0
2023-05-28 04:0025.940.52.7486.914.77.6
2023-05-28 03:0025.638.92.8527.616.08.8
2023-05-28 02:0030.137.42.7515.116.07.9
2023-05-28 01:0040.431.93.0536.022.412.5
2023-05-28 00:0053.819.13.6626.627.816.9
2023-05-27 23:0059.015.73.8611.827.516.6
2023-05-27 22:0060.922.73.6629.533.421.5
2023-05-27 21:0065.328.03.6742.939.927.1
2023-05-27 20:0077.120.54.2738.537.224.7
2023-05-27 19:0079.619.14.3698.832.619.8
2023-05-27 18:0082.218.84.5669.531.819.4
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 28-05-2023