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Past 24 Hours Pollutant Concentration Summary

Mong Kok
Date TimeNO2O3SO2COPM10PM2.5
2023-03-23 06:0035.624.12.8431.616.513.1
2023-03-23 05:0028.327.32.3386.816.512.5
2023-03-23 04:0024.931.62.2461.819.715.2
2023-03-23 03:0027.633.92.4399.218.013.3
2023-03-23 02:0026.734.62.3395.318.514.3
2023-03-23 01:0046.321.62.9496.217.813.3
2023-03-23 00:0047.919.33.2503.118.313.0
2023-03-22 23:0053.315.44.0542.420.114.3
2023-03-22 22:0051.313.64.1515.520.614.4
2023-03-22 21:0056.213.94.0634.124.116.0
2023-03-22 20:0065.911.85.1677.927.217.2
2023-03-22 19:0080.110.86.6715.425.416.1
2023-03-22 18:0073.811.16.0683.823.414.2
2023-03-22 17:0079.110.96.5569.623.314.8
2023-03-22 16:0072.512.16.2596.823.914.1
2023-03-22 15:0078.711.47.2578.722.712.7
2023-03-22 14:0065.013.85.6510.420.211.8
2023-03-22 13:0059.014.87.7493.819.010.1
2023-03-22 12:0063.513.98.7467.520.211.7
2023-03-22 11:0068.613.76.1540.620.711.6
2023-03-22 10:0067.512.84.8533.820.513.2
2023-03-22 09:0068.710.95.5602.215.69.8
2023-03-22 08:0057.113.63.6517.915.911.8
2023-03-22 07:0045.721.72.9412.811.58.1
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.