Welcome to Environmental Protection Department Air Quality Health Index Website


Tseung Kwan O
Date TimeNO2O3SO2COPM10PM2.5
2023-01-30 05:0052.423.72.5407.630.919.8
2023-01-30 04:0048.731.21.5429.730.018.2
2023-01-30 03:0062.319.21.7447.731.018.4
2023-01-30 02:0076.916.43.7474.634.619.6
2023-01-30 01:0087.013.14.7616.540.925.3
2023-01-30 00:0072.830.43.4542.542.729.2
2023-01-29 23:0091.27.63.5845.343.028.5
2023-01-29 22:0084.813.72.6724.944.926.3
2023-01-29 21:0065.932.51.9580.048.423.0
2023-01-29 20:0059.844.32.2585.347.724.4
2023-01-29 19:0049.966.12.7524.341.720.7
2023-01-29 18:0031.092.62.6391.638.818.1
2023-01-29 17:0014.1110.23.0346.943.221.4
2023-01-29 16:007.8115.82.9322.047.925.2
2023-01-29 15:006.9112.82.9311.745.924.4
2023-01-29 14:007.6107.83.0311.045.023.4
2023-01-29 13:005.6106.83.1303.445.425.6
2023-01-29 12:006.8101.32.8303.746.527.2
2023-01-29 11:009.594.03.0317.147.025.5
2023-01-29 10:009.491.33.0320.647.923.3
2023-01-29 09:009.488.92.8321.751.127.5
2023-01-29 08:0010.887.62.8333.255.331.1
2023-01-29 07:0012.186.82.6335.258.432.4
2023-01-29 06:008.992.12.6340.154.528.5
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: 05:07 30-01-2023