Welcome to Environmental Protection Department Air Quality Health Index Website


Tai Po
Date TimeNO2O3SO2COPM10PM2.5
2022-09-27 08:0037.239.93.0-18.311.4
2022-09-27 07:0024.949.01.9-18.811.7
2022-09-27 06:0011.465.11.4-18.511.4
2022-09-27 05:008.478.11.7-19.610.6
2022-09-27 04:005.484.21.3-19.310.8
2022-09-27 03:005.984.41.4-19.010.0
2022-09-27 02:007.291.11.8-19.710.3
2022-09-27 01:009.886.81.8-19.99.7
2022-09-27 00:0013.087.71.8-20.19.8
2022-09-26 23:0013.190.51.4-18.89.3
2022-09-26 22:0013.389.31.0-21.310.9
2022-09-26 21:0013.5110.21.3-22.011.4
2022-09-26 20:0019.8103.21.2-23.012.3
2022-09-26 19:0024.6113.51.6-30.517.3
2022-09-26 18:0021.9143.02.3-33.919.4
2022-09-26 17:0025.6148.02.2-38.021.9
2022-09-26 16:0019.5190.12.2-38.921.9
2022-09-26 15:0026.0174.32.6-39.023.4
2022-09-26 14:0025.7173.72.9-37.922.3
2022-09-26 13:0026.3166.33.2-39.222.2
2022-09-26 12:0026.3155.33.4-39.120.8
2022-09-26 11:0017.6139.73.6-37.218.1
2022-09-26 10:0021.2-3.3-36.016.5
2022-09-26 09:0038.690.62.7-35.915.6
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: 08:07 27-09-2022