Welcome to Environmental Protection Department Air Quality Health Index Website


Tseung Kwan O
Date TimeNO2O3SO2COPM10PM2.5
2024-03-01 01:0013.847.93.5515.47.41.2
2024-03-01 00:0017.540.53.3527.64.10.0
2024-02-29 23:0020.136.53.5536.9-0.6
2024-02-29 22:0022.434.23.5533.58.37.9
2024-02-29 21:0030.225.73.5558.511.711.5
2024-02-29 20:0038.011.13.9633.720.213.5
2024-02-29 19:0037.95.74.1677.578.143.8
2024-02-29 18:0048.78.04.3699.2145.282.0
2024-02-29 17:0081.57.56.8850.7134.275.8
2024-02-29 16:0091.68.28.8875.972.845.3
2024-02-29 15:0067.844.15.4554.839.332.1
2024-02-29 14:0013.399.23.6324.133.032.1
2024-02-29 13:0017.093.53.5337.336.229.6
2024-02-29 12:0021.083.13.4347.335.122.9
2024-02-29 11:0018.780.83.3337.231.421.0
2024-02-29 10:0020.575.73.4337.634.421.7
2024-02-29 09:0018.374.53.5345.943.724.6
2024-02-29 08:0024.869.03.4373.445.523.3
2024-02-29 07:0025.063.93.3356.642.622.7
2024-02-29 06:0012.876.43.2318.645.323.8
2024-02-29 05:006.590.13.3282.038.218.7
2024-02-29 04:006.592.23.8310.734.315.3
2024-02-29 03:007.889.23.2276.531.916.8
2024-02-29 02:0010.191.73.2298.730.019.6
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 01-03-2024