Causeway Bay
Date TimeNO2O3SO2COPM10PM2.5
2023-03-23 06:0020.631.13.9157.824.115.0
2023-03-23 05:0019.129.93.9102.025.415.1
2023-03-23 04:00-33.8--23.916.0
2023-03-23 03:0031.525.94.3189.749.417.4
2023-03-23 02:0023.432.14.0206.934.716.4
2023-03-23 01:0025.731.34.3159.925.015.3
2023-03-23 00:0030.826.54.7196.024.513.8
2023-03-22 23:0030.322.04.7124.524.514.4
2023-03-22 22:0044.914.06.8290.926.616.1
2023-03-22 21:0032.222.35.1266.130.317.7
2023-03-22 20:0035.123.54.9257.230.616.8
2023-03-22 19:0046.318.05.8259.326.513.3
2023-03-22 18:0029.526.64.2165.927.214.2
2023-03-22 17:0037.522.54.5183.524.314.1
2023-03-22 16:0050.019.75.3214.525.215.3
2023-03-22 15:0035.724.34.9179.437.219.5
2023-03-22 14:0052.210.46.9425.341.422.0
2023-03-22 13:0044.518.25.2245.730.515.3
2023-03-22 12:0047.316.25.8259.530.916.2
2023-03-22 11:0032.125.24.3154.518.79.8
2023-03-22 10:0031.329.84.0114.019.39.8
2023-03-22 09:0040.619.35.5195.523.013.0
2023-03-22 08:0030.423.24.9184.722.012.8
2023-03-22 07:0018.735.14.0149.117.910.2
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.

Mobile Version | Desktop Version
Last revision date: 06:07 23-03-2023