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Past 24 Hours Pollutant Concentration Summary

Mong Kok
Date TimeNO2O3SO2COPM10PM2.5
2021-06-24 01:0078.52.03.01,231.314.510.5
2021-06-24 00:0080.62.03.11,278.213.910.1
2021-06-23 23:0084.64.52.91,298.210.27.8
2021-06-23 22:0067.215.11.61,077.29.77.2
2021-06-23 21:0073.615.32.11,112.017.714.6
2021-06-23 20:0098.35.74.41,269.411.69.2
2021-06-23 19:0096.83.14.21,125.411.18.9
2021-06-23 18:0088.95.03.01,172.39.26.3
2021-06-23 17:0091.59.53.51,059.06.64.5
2021-06-23 16:0082.410.23.11,077.57.55.6
2021-06-23 15:0084.08.53.21,097.89.27.0
2021-06-23 14:0095.49.13.51,055.215.711.4
2021-06-23 13:0088.413.13.71,060.415.812.7
2021-06-23 12:0091.97.56.11,061.220.615.8
2021-06-23 11:0092.26.17.51,204.420.014.4
2021-06-23 10:0090.83.07.41,144.717.513.3
2021-06-23 09:0089.92.98.51,123.013.710.5
2021-06-23 08:0066.58.65.21,006.110.87.9
2021-06-23 07:0069.17.55.7926.312.19.9
2021-06-23 06:0074.51.96.4986.212.110.1
2021-06-23 05:0068.53.24.6919.79.68.0
2021-06-23 04:0070.32.64.5909.310.37.7
2021-06-23 03:0066.36.53.6902.410.46.9
2021-06-23 02:0074.63.34.0907.510.98.2
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.