Welcome to Environmental Protection Department Air Quality Health Index Website


Kwun Tong
Date TimeNO2O3SO2COPM10PM2.5
2023-06-05 11:0036.122.14.9-18.48.8
2023-06-05 10:0030.521.25.0-15.36.3
2023-06-05 09:0032.017.55.0-16.77.3
2023-06-05 08:0030.514.95.1-18.88.6
2023-06-05 07:0032.214.14.6-15.97.5
2023-06-05 06:0015.324.74.0-12.94.8
2023-06-05 05:0011.227.64.3-14.56.3
2023-06-05 04:008.927.94.2-15.37.6
2023-06-05 03:006.834.04.0-15.58.0
2023-06-05 02:0015.328.94.1-18.110.5
2023-06-05 01:0017.224.84.1-18.211.0
2023-06-05 00:0023.820.04.1-17.811.0
2023-06-04 23:0025.020.34.1-16.18.9
2023-06-04 22:0027.520.24.2-15.58.7
2023-06-04 21:0026.522.74.1-11.46.0
2023-06-04 20:0023.125.74.2-14.38.0
2023-06-04 19:0027.727.04.4-11.86.7
2023-06-04 18:0022.730.84.3-10.15.3
2023-06-04 17:0015.540.04.4-12.98.0
2023-06-04 16:0019.334.34.3-11.45.9
2023-06-04 15:0016.138.74.2-11.45.7
2023-06-04 14:0016.839.44.2-15.810.1
2023-06-04 13:0014.646.94.2-12.17.1
2023-06-04 12:0019.240.64.1-14.27.5
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