Welcome to Environmental Protection Department Air Quality Health Index Website


Kwun Tong
Date TimeNO2O3SO2COPM10PM2.5
2021-12-04 09:0056.554.86.0-37.915.0
2021-12-04 08:0079.628.46.7-26.922.8
2021-12-04 07:0069.635.86.2-23.59.4
2021-12-04 06:0035.366.36.4-23.417.7
2021-12-04 05:0029.571.37.4-26.38.3
2021-12-04 04:0025.477.27.2-23.112.8
2021-12-04 03:0037.765.56.9-17.214.0
2021-12-04 02:0051.051.57.0-31.514.0
2021-12-04 01:0062.840.97.2-37.813.9
2021-12-04 00:0070.536.17.3-38.014.0
2021-12-03 23:0080.029.16.3-36.116.9
2021-12-03 22:0056.953.95.4-39.913.1
2021-12-03 21:0056.158.25.2-34.212.0
2021-12-03 20:0074.551.05.2-34.018.8
2021-12-03 19:0072.750.75.1-49.514.1
2021-12-03 18:0085.945.05.7-49.014.0
2021-12-03 17:0073.261.55.8-37.419.8
2021-12-03 16:0071.363.86.4-53.410.3
2021-12-03 15:0059.477.36.9-46.311.9
2021-12-03 14:0043.288.15.4-45.012.0
2021-12-03 13:0045.778.55.4-45.012.9
2021-12-03 12:0066.359.85.5-50.814.0
2021-12-03 11:0070.744.86.1-45.215.0
2021-12-03 10:0083.330.67.0-45.014.0
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: 09:07 04-12-2021