Welcome to Environmental Protection Department Air Quality Health Index Website


Eastern
Date TimeNO2O3SO2COPM10PM2.5
2020-10-29 03:009.961.32.3-32.916.1
2020-10-29 02:0016.159.12.3-33.515.6
2020-10-29 01:0021.657.61.8-30.013.7
2020-10-29 00:0025.956.12.1-22.610.0
2020-10-28 23:0028.957.82.1-25.814.9
2020-10-28 22:0031.755.62.1-28.018.2
2020-10-28 21:0028.564.72.1-29.117.3
2020-10-28 20:0032.364.32.0-32.115.8
2020-10-28 19:0042.266.52.0-31.111.4
2020-10-28 18:0047.565.81.9-31.013.1
2020-10-28 17:0050.860.72.2-38.515.2
2020-10-28 16:0052.459.32.7-43.716.6
2020-10-28 15:0064.356.93.1-42.420.0
2020-10-28 14:0058.957.03.5-40.619.5
2020-10-28 13:00----35.814.9
2020-10-28 12:00----31.011.2
2020-10-28 11:00----25.410.9
2020-10-28 10:0048.231.32.8-20.313.1
2020-10-28 09:0045.831.13.1-19.713.5
2020-10-28 08:0056.118.52.0-28.214.0
2020-10-28 07:0034.437.22.2-33.113.2
2020-10-28 06:0014.854.62.9-30.710.6
2020-10-28 05:0012.962.23.1-33.811.4
2020-10-28 04:0012.062.32.9-33.99.3
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: 03:07 29-10-2020