Welcome to Environmental Protection Department Air Quality Health Index Website


Southern
Date TimeNO2O3SO2COPM10PM2.5
2022-06-28 05:0013.520.31.6149.36.95.7
2022-06-28 04:0011.618.11.3139.98.06.7
2022-06-28 03:0015.619.41.5136.26.42.4
2022-06-28 02:0027.015.22.4130.96.41.7
2022-06-28 01:0016.826.61.9124.99.70.7
2022-06-28 00:0015.535.01.8151.315.22.9
2022-06-27 23:0029.214.72.3202.511.46.0
2022-06-27 22:0026.612.62.4163.48.84.0
2022-06-27 21:0026.020.42.9156.27.70.2
2022-06-27 20:0026.618.43.0133.58.32.3
2022-06-27 19:0019.925.82.7136.88.33.9
2022-06-27 18:0026.622.34.382.65.54.4
2022-06-27 17:0019.534.12.7147.54.1-
2022-06-27 16:0013.141.61.7190.28.65.9
2022-06-27 15:0027.329.44.4228.36.04.2
2022-06-27 14:0021.931.32.0254.42.9-
2022-06-27 13:0024.734.43.3285.94.8-
2022-06-27 12:0016.639.02.5258.73.2-
2022-06-27 11:0012.240.62.0226.24.4-
2022-06-27 10:0021.929.43.0241.82.7-
2022-06-27 09:0017.726.92.9221.610.24.2
2022-06-27 08:0026.619.05.1206.214.24.9
2022-06-27 07:0029.611.93.1188.58.84.3
2022-06-27 06:0025.913.92.4214.00.6-
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: 05:07 28-06-2022