Welcome to Environmental Protection Department Air Quality Health Index Website


Tai Po
Date TimeNO2O3SO2COPM10PM2.5
2023-12-08 06:0052.612.31.7-17.211.5
2023-12-08 05:0055.610.91.7-19.113.6
2023-12-08 04:0059.611.41.8-18.712.8
2023-12-08 03:00-7.2--22.215.7
2023-12-08 02:0073.55.02.3-23.215.6
2023-12-08 01:0074.86.92.3-25.017.1
2023-12-08 00:0076.89.02.7-22.113.5
2023-12-07 23:0083.28.82.8-24.215.3
2023-12-07 22:0090.76.02.7-27.118.1
2023-12-07 21:0096.08.23.2-31.620.9
2023-12-07 20:0091.019.32.9-35.922.0
2023-12-07 19:0086.231.23.1-23.110.9
2023-12-07 18:0044.768.32.7-19.57.9
2023-12-07 17:0049.081.03.1-21.39.3
2023-12-07 16:0034.7102.33.3-27.813.3
2023-12-07 15:0029.7107.83.3-24.910.1
2023-12-07 14:0028.799.33.2-34.616.6
2023-12-07 13:0035.978.73.5-28.210.5
2023-12-07 12:0036.264.03.7-31.711.9
2023-12-07 11:0035.256.93.7-26.713.0
2023-12-07 10:0039.746.63.8-24.514.9
2023-12-07 09:0054.226.63.9-19.812.9
2023-12-07 08:0060.712.33.4-14.49.8
2023-12-07 07:0045.116.42.4-14.211.1
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: 06:07 08-12-2023