Welcome to Environmental Protection Department Air Quality Health Index Website


Kwun Tong
Date TimeNO2O3SO2COPM10PM2.5
2024-04-30 06:0014.226.50.7-13.97.7
2024-04-30 05:0010.428.50.6-14.98.9
2024-04-30 04:009.728.80.5-15.08.5
2024-04-30 03:0012.126.80.5-13.26.5
2024-04-30 02:0017.221.80.5-14.77.3
2024-04-30 01:0021.021.30.7-14.16.5
2024-04-30 00:0027.618.41.0-15.47.9
2024-04-29 23:0029.518.50.9-14.77.1
2024-04-29 22:0030.717.20.9-15.87.3
2024-04-29 21:0038.613.21.1-19.08.6
2024-04-29 20:0047.610.11.6-24.211.8
2024-04-29 19:0056.19.02.4-23.812.0
2024-04-29 18:0060.28.72.1-23.412.6
2024-04-29 17:0051.215.11.4-23.313.2
2024-04-29 16:0043.522.51.1-22.111.5
2024-04-29 15:0042.126.01.0-22.712.0
2024-04-29 14:0035.728.31.0-22.912.0
2024-04-29 13:0041.722.01.1-26.113.2
2024-04-29 12:0051.815.01.2-27.015.4
2024-04-29 11:0046.316.90.9-22.712.9
2024-04-29 10:0046.815.61.1-21.09.5
2024-04-29 09:0054.912.01.0-21.37.9
2024-04-29 08:0051.918.40.6-17.15.5
2024-04-29 07:0039.330.30.5-14.24.7
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.

Last revision date: 06:07 30-04-2024