Welcome to Environmental Protection Department Air Quality Health Index Website


Tap Mun
Date TimeNO2O3SO2COPM10PM2.5
2024-04-27 12:0011.136.01.4293.46.43.1
2024-04-27 11:007.930.21.3307.720.410.8
2024-04-27 10:007.929.31.1319.917.17.4
2024-04-27 09:007.431.51.1316.214.87.1
2024-04-27 08:005.326.31.1336.215.57.5
2024-04-27 07:004.925.11.2327.015.77.0
2024-04-27 06:002.718.81.0315.413.45.1
2024-04-27 05:004.321.21.2328.014.85.8
2024-04-27 04:005.520.11.2314.916.15.9
2024-04-27 03:005.918.01.3317.915.56.8
2024-04-27 02:008.120.42.1323.213.15.1
2024-04-27 01:00----15.46.0
2024-04-27 00:0015.321.11.1327.815.46.9
2024-04-26 23:0014.423.71.0334.516.87.6
2024-04-26 22:0016.831.51.0338.016.78.3
2024-04-26 21:0020.938.21.2356.415.27.8
2024-04-26 20:0026.042.11.1350.812.06.5
2024-04-26 19:0020.454.51.4362.39.33.7
2024-04-26 18:0011.958.61.1362.89.04.1
2024-04-26 17:009.977.81.0368.110.35.8
2024-04-26 16:008.284.31.1364.66.42.9
2024-04-26 15:009.582.01.2359.27.83.1
2024-04-26 14:0011.482.11.3369.110.45.6
2024-04-26 13:00------
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.

Mobile Version | Desktop Version
Last revision date: 12:07 27-04-2024