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Past 24 Hours Pollutant Concentration Summary

Sham Shui Po
Date TimeNO2O3SO2COPM10PM2.5
2023-09-23 04:00----14.811.4
2023-09-23 03:0014.576.92.5-13.610.6
2023-09-23 02:0015.781.72.3-14.711.4
2023-09-23 01:0024.280.72.4-14.811.3
2023-09-23 00:0035.475.22.9-19.114.6
2023-09-22 23:0038.277.83.1-20.115.4
2023-09-22 22:0040.574.33.2-21.616.5
2023-09-22 21:0037.377.53.3-27.420.7
2023-09-22 20:0071.858.54.7-26.519.0
2023-09-22 19:0066.366.44.4-26.319.0
2023-09-22 18:0078.773.54.2-26.719.4
2023-09-22 17:0080.663.53.2-30.321.0
2023-09-22 16:0079.065.24.2-27.016.8
2023-09-22 15:0043.0101.44.0-23.413.8
2023-09-22 14:0036.798.24.0-22.313.6
2023-09-22 13:0054.864.35.3-26.215.8
2023-09-22 12:0075.830.76.4-27.616.1
2023-09-22 11:0079.724.310.9-29.415.8
2023-09-22 10:0083.611.314.6-30.214.7
2023-09-22 09:0075.811.311.3-24.115.4
2023-09-22 08:0068.511.113.9-17.311.6
2023-09-22 07:0072.67.78.7-11.36.2
2023-09-22 06:0070.613.715.0-13.88.1
2023-09-22 05:0039.847.15.2-14.79.0
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.