Welcome to Environmental Protection Department Air Quality Health Index Website


Kwun Tong
Date TimeNO2O3SO2COPM10PM2.5
2024-04-17 01:0027.4-1.3-19.515.0
2024-04-17 00:0033.919.01.7-20.315.9
2024-04-16 23:0039.915.62.0-19.114.2
2024-04-16 22:0036.621.41.9-19.013.7
2024-04-16 21:0040.118.82.2-21.315.6
2024-04-16 20:0042.316.92.7-20.414.7
2024-04-16 19:0041.016.33.6-18.512.4
2024-04-16 18:00----17.711.8
2024-04-16 17:00----19.112.6
2024-04-16 16:00----17.210.7
2024-04-16 15:00----18.711.8
2024-04-16 14:00----18.513.1
2024-04-16 13:00----17.212.0
2024-04-16 12:00----15.29.4
2024-04-16 11:00----17.211.1
2024-04-16 10:0040.522.25.6-19.212.2
2024-04-16 09:0049.013.35.5-20.115.0
2024-04-16 08:0043.711.55.5-21.117.1
2024-04-16 07:0040.711.77.3-23.520.2
2024-04-16 06:0024.220.55.6-24.721.9
2024-04-16 05:0020.025.56.3-27.924.3
2024-04-16 04:0028.419.65.8-34.830.6
2024-04-16 03:0042.38.16.5-37.934.1
2024-04-16 02:0041.710.86.8-40.736.2
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: 01:07 17-04-2024