Welcome to Environmental Protection Department Air Quality Health Index Website


Kwun Tong
Date TimeNO2O3SO2COPM10PM2.5
2023-01-30 06:0051.631.16.9-31.317.9
2023-01-30 05:0041.340.16.3-30.517.3
2023-01-30 04:0025.556.66.5-29.117.0
2023-01-30 03:0037.847.26.8-31.619.2
2023-01-30 02:0059.829.27.2-31.418.8
2023-01-30 01:0037.756.77.2-28.416.0
2023-01-30 00:0039.958.77.3-31.317.8
2023-01-29 23:0086.021.010.1-45.126.8
2023-01-29 22:00101.33.110.1-48.028.5
2023-01-29 21:0099.34.29.0-47.926.5
2023-01-29 20:0099.09.68.4-46.324.2
2023-01-29 19:0068.443.88.2-45.822.1
2023-01-29 18:0056.365.88.2-48.722.7
2023-01-29 17:0056.064.98.6-45.819.9
2023-01-29 16:0047.773.08.2-49.821.8
2023-01-29 15:0039.474.98.0-47.021.1
2023-01-29 14:0040.874.58.0-43.019.9
2023-01-29 13:0039.773.27.8-42.621.1
2023-01-29 12:0035.869.28.3-44.322.6
2023-01-29 11:00----42.821.3
2023-01-29 10:00----45.023.0
2023-01-29 09:0053.844.040.5-46.222.5
2023-01-29 08:0035.862.540.5-47.122.6
2023-01-29 07:0019.179.440.5-49.124.0
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.

Mobile Version | Desktop Version
Last revision date: 06:07 30-01-2023