Welcome to Environmental Protection Department Air Quality Health Index Website


Tseung Kwan O
Date TimeNO2O3SO2COPM10PM2.5
2024-04-24 23:0027.159.91.3344.925.319.6
2024-04-24 22:0017.384.81.6349.725.018.7
2024-04-24 21:0016.295.71.9337.827.024.3
2024-04-24 20:0017.996.61.1325.131.629.0
2024-04-24 19:0019.098.11.2316.436.331.9
2024-04-24 18:0028.487.01.2300.835.127.3
2024-04-24 17:0032.583.51.1314.532.922.1
2024-04-24 16:0055.955.61.1327.531.225.6
2024-04-24 15:0057.540.01.9362.029.527.1
2024-04-24 14:0054.024.51.6337.830.719.0
2024-04-24 13:0046.329.32.8366.728.019.2
2024-04-24 12:0024.450.73.0349.922.720.1
2024-04-24 11:0034.732.93.0378.222.515.8
2024-04-24 10:0028.731.63.8362.123.615.7
2024-04-24 09:0036.125.83.1412.319.712.7
2024-04-24 08:0041.313.24.0543.015.513.4
2024-04-24 07:0043.64.75.1555.515.312.3
2024-04-24 06:0034.210.04.1403.818.810.7
2024-04-24 05:0037.15.93.7426.118.812.7
2024-04-24 04:0038.04.44.6433.019.112.8
2024-04-24 03:0039.48.33.5407.620.011.6
2024-04-24 02:0047.55.23.8488.515.310.5
2024-04-24 01:0041.018.03.4382.913.412.7
2024-04-24 00:0040.729.93.1427.316.115.3
Remarks:

(1) Time shown is in Hong Kong time.

(2) Concentration shown is in microgram per cubic metre (µg/m3).

(3) Abbreviation:
NO2 - nitrogen dioxide, O3 - ozone,
SO2 - sulphur dioxide, CO - carbon monoxide,
PM10 - respirable suspended particulates,
PM2.5 - fine suspended particulates

(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: 23:07 24-04-2024