Welcome to Environmental Protection Department Air Quality Health Index Website


Kwun Tong
Date TimeNO2O3SO2COPM10PM2.5
2024-05-29 01:0013.6-0.8-26.59.2
2024-05-29 00:0014.5118.30.7-22.36.1
2024-05-28 23:0018.6117.40.7-22.86.8
2024-05-28 22:0015.7117.90.8-19.56.2
2024-05-28 21:0020.997.51.1-15.68.7
2024-05-28 20:0045.586.11.3-11.89.0
2024-05-28 19:0057.375.71.7-15.410.6
2024-05-28 18:0080.053.01.8-15.911.4
2024-05-28 17:0090.253.51.9-15.69.9
2024-05-28 16:0089.144.21.7-14.38.9
2024-05-28 15:0054.261.41.4-12.29.4
2024-05-28 14:0044.083.20.9-18.014.3
2024-05-28 13:0061.061.81.4-13.010.1
2024-05-28 12:0047.559.42.6-16.710.5
2024-05-28 11:0066.123.22.7-14.610.2
2024-05-28 10:0055.617.62.5-20.513.3
2024-05-28 09:0068.96.44.0-25.617.6
2024-05-28 08:0069.95.24.4-16.99.6
2024-05-28 07:0062.54.63.0-15.08.9
2024-05-28 06:0058.74.82.2-9.04.9
2024-05-28 05:0042.716.80.9-7.54.8
2024-05-28 04:0038.922.41.1-10.45.6
2024-05-28 03:0043.513.61.0-13.86.5
2024-05-28 02:0043.315.01.1-12.77.1
Remarks:

(1) Time shown is in Hong Kong time.

(2) Concentration shown is in microgram per cubic metre (µg/m3).

(3) Abbreviation:
NO2 - nitrogen dioxide, O3 - ozone,
SO2 - sulphur dioxide, CO - carbon monoxide,
PM10 - respirable suspended particulates,
PM2.5 - fine suspended particulates

(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 29-05-2024