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Causeway Bay
Date TimeNO2O3SO2COPM10PM2.5
2023-06-05 11:0047.625.52.4459.326.414.0
2023-06-05 10:0034.428.22.5410.927.514.8
2023-06-05 09:0037.825.12.2380.425.113.8
2023-06-05 08:0036.522.22.1414.525.816.4
2023-06-05 07:0026.629.81.6319.119.311.1
2023-06-05 06:0012.341.91.0328.816.98.5
2023-06-05 05:0017.036.31.3292.019.610.7
2023-06-05 04:00-35.2--18.410.6
2023-06-05 03:0021.335.41.3323.117.810.4
2023-06-05 02:0020.836.21.4324.219.911.4
2023-06-05 01:0030.929.61.9355.521.312.8
2023-06-05 00:0035.127.01.9344.721.913.6
2023-06-04 23:0039.123.82.2371.022.914.3
2023-06-04 22:0038.627.12.0402.326.315.7
2023-06-04 21:0034.529.22.0487.726.015.8
2023-06-04 20:0045.327.12.3508.825.416.2
2023-06-04 19:0042.630.72.3481.922.713.6
2023-06-04 18:0050.526.03.0518.223.013.0
2023-06-04 17:0040.530.52.6467.421.512.4
2023-06-04 16:0041.628.22.7427.824.714.5
2023-06-04 15:0041.233.92.3484.626.316.2
2023-06-04 14:0030.238.51.9446.427.617.6
2023-06-04 13:0042.236.51.8514.725.416.3
2023-06-04 12:0047.831.32.1630.625.116.7
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.

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Last revision date: 11:07 05-06-2023