Welcome to Environmental Protection Department Air Quality Health Index Website


Tai Po
Date TimeNO2O3SO2COPM10PM2.5
2023-12-04 18:0076.586.84.6-65.841.4
2023-12-04 17:0073.092.34.1-78.748.0
2023-12-04 16:0065.3116.93.7-79.447.1
2023-12-04 15:0053.098.23.0-58.835.6
2023-12-04 14:0046.187.12.8-41.626.1
2023-12-04 13:0036.978.62.7-35.724.2
2023-12-04 12:0031.074.32.9-42.429.8
2023-12-04 11:0035.347.43.4-41.528.7
2023-12-04 10:0034.937.73.7-40.029.4
2023-12-04 09:0041.922.83.8-42.232.0
2023-12-04 08:0038.721.53.8-47.432.9
2023-12-04 07:0034.3-3.2-55.436.3
2023-12-04 06:0032.528.4--57.537.6
2023-12-04 05:0039.223.23.3-56.736.8
2023-12-04 04:0033.243.93.1-39.326.6
2023-12-04 03:00-91.1--34.223.5
2023-12-04 02:0019.788.72.7-36.926.0
2023-12-04 01:00-95.93.1-43.730.6
2023-12-04 00:0024.299.43.5-44.330.6
2023-12-03 23:0028.388.74.1-46.532.1
2023-12-03 22:0021.4103.14.7-47.032.1
2023-12-03 21:0026.8104.93.9-46.631.6
2023-12-03 20:0028.8103.63.7-47.032.6
2023-12-03 19:0038.7101.83.8-42.428.8
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: 18:07 04-12-2023