Welcome to Environmental Protection Department Air Quality Health Index Website


Tai Po
Date TimeNO2O3SO2COPM10PM2.5
2021-12-04 09:0068.420.45.8-22.213.8
2021-12-04 08:0067.09.95.1-17.711.6
2021-12-04 07:0063.88.34.2-14.79.9
2021-12-04 06:0055.414.13.8-15.810.7
2021-12-04 05:0051.417.33.9-17.010.9
2021-12-04 04:0044.923.74.0-15.09.8
2021-12-04 03:00-21.2--17.711.1
2021-12-04 02:0058.414.94.7-21.912.6
2021-12-04 01:0070.812.05.5-25.613.4
2021-12-04 00:0053.335.36.6-24.612.1
2021-12-03 23:0053.941.15.0-25.213.5
2021-12-03 22:0056.241.64.5-25.513.7
2021-12-03 21:0080.816.45.1-31.317.5
2021-12-03 20:00100.35.05.8-34.316.9
2021-12-03 19:00106.65.95.4-35.116.2
2021-12-03 18:0073.641.64.7-33.013.4
2021-12-03 17:0045.881.45.0-34.212.9
2021-12-03 16:0034.386.85.4-31.210.9
2021-12-03 15:0031.387.04.6-30.910.7
2021-12-03 14:0025.394.44.8-36.113.6
2021-12-03 13:0027.492.25.2-39.215.8
2021-12-03 12:0030.084.15.4-36.614.6
2021-12-03 11:0032.171.65.4-32.613.8
2021-12-03 10:0036.362.85.8-24.09.8
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: 09:07 04-12-2021