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Past 24 Hours Pollutant Concentration Summary

Causeway Bay
Date TimeNO2O3SO2COPM10PM2.5
2024-03-28 18:00132.98.010.8996.678.141.7
2024-03-28 17:00127.38.110.3960.151.828.2
2024-03-28 16:00125.09.57.8896.756.431.6
2024-03-28 15:00116.18.38.8846.276.840.9
2024-03-28 14:00113.410.39.4841.571.345.4
2024-03-28 13:00129.411.39.1784.349.127.3
2024-03-28 12:00124.110.68.1912.154.626.4
2024-03-28 11:00115.68.09.0955.768.735.1
2024-03-28 10:00109.67.87.51,138.759.329.9
2024-03-28 09:00101.811.36.31,019.960.326.6
2024-03-28 08:0099.612.04.6815.458.023.7
2024-03-28 07:0066.341.22.4597.154.623.2
2024-03-28 06:0028.074.71.6437.341.718.2
2024-03-28 05:0029.073.51.8560.432.215.2
2024-03-28 04:0039.269.61.61,053.929.813.0
2024-03-28 03:0024.886.11.5521.235.715.6
2024-03-28 02:0026.987.81.4425.246.319.1
2024-03-28 01:0046.275.12.0483.344.022.3
2024-03-28 00:0065.561.52.3572.142.421.1
2024-03-27 23:0072.758.62.6580.147.827.1
2024-03-27 22:0076.366.12.9697.351.132.2
2024-03-27 21:00103.250.54.7832.452.833.6
2024-03-27 20:00106.861.44.2891.162.237.1
2024-03-27 19:0091.479.23.6763.563.135.9
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.