Welcome to Environmental Protection Department Air Quality Health Index Website


Kwun Tong
Date TimeNO2O3SO2COPM10PM2.5
2023-12-05 23:0089.125.23.8-40.331.3
2023-12-05 22:0077.048.23.9-41.931.5
2023-12-05 21:0092.142.44.2-45.433.3
2023-12-05 20:00113.331.94.3-43.631.2
2023-12-05 19:00122.125.04.6-37.224.9
2023-12-05 18:0088.458.55.0-31.020.8
2023-12-05 17:0079.665.46.0---
2023-12-05 16:00------
2023-12-05 15:00------
2023-12-05 14:0068.059.2----
2023-12-05 13:0063.455.94.7-30.218.8
2023-12-05 12:0060.547.44.6-30.719.7
2023-12-05 11:0071.021.25.2-39.827.3
2023-12-05 10:0058.119.95.2-39.229.5
2023-12-05 09:0052.014.86.2-48.935.5
2023-12-05 08:0052.75.06.2-45.732.7
2023-12-05 07:0044.35.05.5-45.132.3
2023-12-05 06:0042.39.25.3-56.238.5
2023-12-05 05:0050.48.26.2-57.740.2
2023-12-05 04:00----56.238.1
2023-12-05 03:0057.710.75.2-57.036.0
2023-12-05 02:0068.68.15.0-60.038.5
2023-12-05 01:0072.810.45.2-64.441.3
2023-12-05 00:0075.910.95.3-69.646.4
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: 23:07 05-12-2023