Welcome to Environmental Protection Department Air Quality Health Index Website


Kwun Tong
Date TimeNO2O3SO2COPM10PM2.5
2023-02-07 16:0051.030.44.6---
2023-02-07 15:0047.233.64.4---
2023-02-07 14:0051.926.34.9-16.210.3
2023-02-07 13:0041.529.54.3-14.110.0
2023-02-07 12:0038.325.43.8-12.49.8
2023-02-07 11:0038.824.23.6-13.110.4
2023-02-07 10:0046.019.04.0-15.212.3
2023-02-07 09:0056.08.85.3-19.413.0
2023-02-07 08:0065.23.95.1-17.611.7
2023-02-07 07:0040.023.44.2-20.313.4
2023-02-07 06:0020.141.83.6-22.614.8
2023-02-07 05:009.949.93.4-19.913.4
2023-02-07 04:0016.447.63.6-15.711.7
2023-02-07 03:0020.541.13.6-16.111.0
2023-02-07 02:0022.440.73.7-19.813.4
2023-02-07 01:0025.741.53.5-18.010.5
2023-02-07 00:0032.142.73.6-24.612.8
2023-02-06 23:0023.551.23.6-25.413.3
2023-02-06 22:0024.255.63.6-25.411.2
2023-02-06 21:0035.147.13.7-28.112.1
2023-02-06 20:0043.542.54.3-27.212.0
2023-02-06 19:0039.246.44.2-24.210.8
2023-02-06 18:0038.847.64.3-22.612.2
2023-02-06 17:0047.037.44.5-22.110.7
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: 16:07 07-02-2023