Welcome to Environmental Protection Department Air Quality Health Index Website


Tung Chung
Date TimeNO2O3SO2COPM10PM2.5
2022-05-27 08:0032.621.82.6337.510.16.6
2022-05-27 07:0021.325.22.1253.914.29.7
2022-05-27 06:0023.717.12.0290.412.88.6
2022-05-27 05:0020.121.82.1270.712.38.3
2022-05-27 04:0021.717.92.4244.413.69.7
2022-05-27 03:0019.516.72.5264.011.78.0
2022-05-27 02:0020.425.02.5297.611.38.2
2022-05-27 01:00----9.77.1
2022-05-27 00:0014.639.41.9237.08.36.2
2022-05-26 23:0016.339.32.0244.35.74.3
2022-05-26 22:0016.735.62.4230.26.25.1
2022-05-26 21:0014.639.82.4200.17.26.4
2022-05-26 20:0016.040.32.4227.58.26.9
2022-05-26 19:0010.546.52.4174.88.06.0
2022-05-26 18:0013.250.22.1193.09.06.8
2022-05-26 17:0011.147.72.7199.46.75.8
2022-05-26 16:00-50.33.0177.27.06.2
2022-05-26 15:00-55.62.6159.88.37.1
2022-05-26 14:00-37.93.3211.011.68.2
2022-05-26 13:00-30.33.8314.39.46.6
2022-05-26 12:00-33.33.0244.29.66.9
2022-05-26 11:00-26.72.8266.59.97.4
2022-05-26 10:0028.823.72.8278.89.16.9
2022-05-26 09:0035.315.12.9325.811.89.8
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: 08:07 27-05-2022