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Past 24 Hours Pollutant Concentration Summary

Mong Kok
Date TimeNO2O3SO2COPM10PM2.5
2023-09-21 23:00106.018.35.0764.920.111.6
2023-09-21 22:0091.135.85.2789.720.411.5
2023-09-21 21:00100.431.55.4853.320.911.8
2023-09-21 20:00111.830.36.7777.523.414.5
2023-09-21 19:00119.737.17.3759.124.413.9
2023-09-21 18:00133.533.67.8799.529.417.7
2023-09-21 17:00144.045.87.6786.329.115.7
2023-09-21 16:00136.648.57.3818.227.815.4
2023-09-21 15:00129.154.67.8759.027.314.1
2023-09-21 14:00122.946.28.4818.726.414.4
2023-09-21 13:00114.426.29.0783.923.411.9
2023-09-21 12:0082.422.37.6724.117.28.1
2023-09-21 11:0069.311.97.8708.017.58.3
2023-09-21 10:0071.98.89.5766.116.88.2
2023-09-21 09:0066.18.010.5763.311.45.3
2023-09-21 08:0062.07.710.5676.99.24.6
2023-09-21 07:0054.76.99.3734.77.13.6
2023-09-21 06:0035.216.44.6664.15.11.6
2023-09-21 05:0037.014.35.0585.54.21.2
2023-09-21 04:0037.514.85.0610.75.62.1
2023-09-21 03:0040.0-4.6562.98.64.7
2023-09-21 02:0048.96.96.3548.66.22.9
2023-09-21 01:0047.511.95.9585.76.93.5
2023-09-21 00:0055.711.16.4677.810.05.5
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.