Welcome to Environmental Protection Department Air Quality Health Index Website


Tai Po
Date TimeNO2O3SO2COPM10PM2.5
2024-03-29 07:0041.12.22.8-34.419.8
2024-03-29 06:0040.42.32.5-30.917.9
2024-03-29 05:0042.63.52.5-35.120.8
2024-03-29 04:0046.49.52.7-36.722.0
2024-03-29 03:00-4.4--35.020.1
2024-03-29 02:0060.95.12.7-36.623.4
2024-03-29 01:0052.514.12.3-36.924.1
2024-03-29 00:0068.611.02.6-37.924.0
2024-03-28 23:0062.322.82.5-33.319.6
2024-03-28 22:0068.722.82.4-32.919.1
2024-03-28 21:0062.228.62.4-36.822.7
2024-03-28 20:0051.745.72.4-35.621.1
2024-03-28 19:0043.170.12.2-29.715.6
2024-03-28 18:0031.082.93.0-27.714.9
2024-03-28 17:0036.364.43.6-34.117.6
2024-03-28 16:0050.445.84.8-46.618.6
2024-03-28 15:0050.949.54.9-35.618.6
2024-03-28 14:0037.659.32.8-30.717.6
2024-03-28 13:0038.262.02.3-33.617.1
2024-03-28 12:0044.555.82.3-36.017.9
2024-03-28 11:0033.761.11.9-36.919.2
2024-03-28 10:0043.946.72.1-34.816.9
2024-03-28 09:0044.946.61.9-39.318.6
2024-03-28 08:0036.167.31.8-34.814.2
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: 07:06 29-03-2024