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Date TimeNO2O3SO2COPM10PM2.5
2022-10-07 01:0011.586.90.5-17.08.1
2022-10-07 00:0016.582.70.7-18.08.6
2022-10-06 23:0020.282.80.6-18.18.2
2022-10-06 22:0022.291.80.9-18.88.8
2022-10-06 21:0022.392.01.1-19.710.6
2022-10-06 20:0029.194.42.0-20.612.0
2022-10-06 19:0038.385.82.9-19.611.4
2022-10-06 18:0040.288.52.8-18.812.0
2022-10-06 17:0022.694.81.2-13.77.5
2022-10-06 16:0013.6102.31.2---
2022-10-06 15:00-96.31.1---
2022-10-06 14:0021.583.91.3---
2022-10-06 13:0010.985.50.7---
2022-10-06 12:0010.586.00.9-13.06.9
2022-10-06 11:0011.187.71.2-16.39.6
2022-10-06 10:0013.676.51.1-15.99.1
2022-10-06 09:0026.158.51.7-15.88.1
2022-10-06 08:0021.257.51.9-15.97.7
2022-10-06 07:0014.268.60.8-18.39.5
2022-10-06 06:007.776.30.9-20.010.6
2022-10-06 05:005.281.00.7-21.010.6
2022-10-06 04:005.385.90.6-21.910.6
2022-10-06 03:00-88.4--21.910.0
2022-10-06 02:005.890.50.4-19.28.3
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: 01:07 07-10-2022