Welcome to Environmental Protection Department Air Quality Health Index Website


Kwun Tong
Date TimeNO2O3SO2COPM10PM2.5
2024-04-25 16:0064.927.81.3-20.86.5
2024-04-25 15:0044.752.40.7-17.76.3
2024-04-25 14:0039.637.70.6-11.67.0
2024-04-25 13:0027.623.90.6-13.88.2
2024-04-25 12:0034.516.10.8-19.610.7
2024-04-25 11:0059.96.41.7-30.417.2
2024-04-25 10:0076.97.61.3-23.512.0
2024-04-25 09:0047.152.70.2-14.67.1
2024-04-25 08:0050.656.20.4-11.86.2
2024-04-25 07:0034.574.20.6-10.24.5
2024-04-25 06:0015.694.61.7-5.42.6
2024-04-25 05:00----9.53.8
2024-04-25 04:00----17.47.3
2024-04-25 03:0017.870.80.2-12.36.0
2024-04-25 02:0018.674.40.0-16.88.5
2024-04-25 01:0033.459.60.0-24.711.1
2024-04-25 00:0030.855.00.3-27.518.3
2024-04-24 23:0046.641.70.5-29.322.9
2024-04-24 22:0039.962.10.4-29.422.6
2024-04-24 21:0049.060.10.5-29.922.9
2024-04-24 20:0052.159.70.5-31.123.6
2024-04-24 19:0070.440.70.7-36.127.6
2024-04-24 18:0076.439.80.7-37.929.7
2024-04-24 17:0077.033.40.9-38.728.9
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: 16:07 25-04-2024