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Past 24 Hours Pollutant Concentration Summary

Mong Kok
Date TimeNO2O3SO2COPM10PM2.5
2022-01-23 01:0036.036.91.9521.58.75.3
2022-01-23 00:0038.337.01.9517.19.46.1
2022-01-22 23:0052.823.82.4593.09.16.0
2022-01-22 22:0056.422.52.5609.610.57.1
2022-01-22 21:0052.823.12.4594.210.36.6
2022-01-22 20:0059.123.52.5601.213.99.3
2022-01-22 19:0072.013.83.6729.016.711.3
2022-01-22 18:0080.29.84.3806.617.511.8
2022-01-22 17:0076.612.53.1695.217.911.5
2022-01-22 16:0079.011.23.8741.518.512.9
2022-01-22 15:0072.515.73.4697.718.712.9
2022-01-22 14:0076.012.73.9753.516.012.3
2022-01-22 13:0070.213.33.5754.514.711.1
2022-01-22 12:0071.810.83.6767.014.410.0
2022-01-22 11:0071.69.23.8792.513.39.3
2022-01-22 10:0066.011.43.0744.810.37.4
2022-01-22 09:0062.49.93.4708.49.77.8
2022-01-22 08:0054.813.12.8696.09.47.9
2022-01-22 07:0044.022.32.3624.86.04.0
2022-01-22 06:0030.335.31.9583.69.46.6
2022-01-22 05:0028.439.01.8606.58.25.4
2022-01-22 04:0034.239.21.9613.87.44.6
2022-01-22 03:00-46.8--9.66.6
2022-01-22 02:0030.644.81.8617.618.013.3
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.