Welcome to Environmental Protection Department Air Quality Health Index Website


Kwun Tong
Date TimeNO2O3SO2COPM10PM2.5
2024-05-16 10:0055.5121.73.2-25.613.1
2024-05-16 09:0047.6115.42.3-20.210.7
2024-05-16 08:0050.2107.71.8-22.812.8
2024-05-16 07:0036.1122.02.2-24.413.2
2024-05-16 06:0016.9145.02.9-25.814.4
2024-05-16 05:0013.7153.92.9-27.916.0
2024-05-16 04:0010.9165.12.3-24.814.1
2024-05-16 03:0010.2179.01.8-24.213.7
2024-05-16 02:0011.8181.31.5-24.514.4
2024-05-16 01:0029.6156.91.2-23.913.3
2024-05-16 00:0017.8170.11.5-24.012.5
2024-05-15 23:0031.8150.91.7-26.414.9
2024-05-15 22:0029.1147.61.7-25.913.9
2024-05-15 21:0049.2131.11.6-28.115.6
2024-05-15 20:0062.1125.61.6-28.115.7
2024-05-15 19:0051.2144.51.9-25.614.1
2024-05-15 18:0045.9158.12.1-25.813.3
2024-05-15 17:0039.8168.22.1-26.814.6
2024-05-15 16:0035.5171.12.1-27.014.3
2024-05-15 15:0025.5180.02.1-27.414.0
2024-05-15 14:0029.4167.62.2-28.714.4
2024-05-15 13:0026.3166.22.4-29.214.0
2024-05-15 12:0030.3153.12.4-26.311.9
2024-05-15 11:0035.8135.92.3-23.39.5
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: 10:10 16-05-2024