Welcome to Environmental Protection Department Air Quality Health Index Website


Kwun Tong
Date TimeNO2O3SO2COPM10PM2.5
2022-10-07 01:0010.783.43.6-19.88.3
2022-10-07 00:0016.277.43.6-14.27.5
2022-10-06 23:0015.079.23.6-12.48.3
2022-10-06 22:0020.181.13.7-13.76.9
2022-10-06 21:0023.389.83.9-15.98.6
2022-10-06 20:0026.890.24.4-19.69.5
2022-10-06 19:0023.1103.14.6-25.49.3
2022-10-06 18:0047.286.75.0-17.59.3
2022-10-06 17:0061.767.04.6-14.38.2
2022-10-06 16:0052.171.34.8-22.59.5
2022-10-06 15:0048.171.24.7-20.812.1
2022-10-06 14:0046.670.34.7-17.911.7
2022-10-06 13:0041.966.04.6-16.87.6
2022-10-06 12:0041.864.04.2-16.76.5
2022-10-06 11:0040.057.94.3-19.34.6
2022-10-06 10:0042.648.84.1-22.15.0
2022-10-06 09:0044.238.34.2-20.91.9
2022-10-06 08:0053.229.94.3-15.34.7
2022-10-06 07:0036.443.74.1-19.211.5
2022-10-06 06:0017.559.53.7-23.513.2
2022-10-06 05:009.074.83.6-23.114.4
2022-10-06 04:008.278.03.5-22.910.7
2022-10-06 03:0011.478.03.5-22.510.7
2022-10-06 02:0017.174.33.5-22.27.2
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: 01:07 07-10-2022