Welcome to Environmental Protection Department Air Quality Health Index Website


Kwun Tong
Date TimeNO2O3SO2COPM10PM2.5
2021-06-21 06:0023.446.45.2-20.010.0
2021-06-21 05:0015.152.75.1-22.910.0
2021-06-21 04:008.255.05.3-20.112.9
2021-06-21 03:0010.651.65.3-21.913.8
2021-06-21 02:0013.945.85.3-23.013.0
2021-06-21 01:0011.847.15.3-26.813.0
2021-06-21 00:0015.247.25.2-28.014.9
2021-06-20 23:0021.145.35.3-21.316.9
2021-06-20 22:0020.347.35.3-15.312.2
2021-06-20 21:0018.543.65.3-30.512.0
2021-06-20 20:0029.536.05.4-27.212.0
2021-06-20 19:0035.630.36.1-21.312.0
2021-06-20 18:0033.934.45.6-22.911.3
2021-06-20 17:0034.443.65.5-18.212.9
2021-06-20 16:0029.152.45.4-34.414.0
2021-06-20 15:0034.449.75.4-20.716.9
2021-06-20 14:0034.149.05.4-19.013.2
2021-06-20 13:0038.839.15.6-25.715.9
2021-06-20 12:0041.435.46.2-26.016.0
2021-06-20 11:0033.743.15.4-27.014.0
2021-06-20 10:0030.743.35.4-25.214.0
2021-06-20 09:0029.940.45.4-18.313.0
2021-06-20 08:0026.439.65.4-19.013.0
2021-06-20 07:0023.539.95.6-20.013.7
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: 06:07 21-06-2021