Tung Chung
Date TimeNO2O3SO2COPM10PM2.5
2021-05-09 17:0013.760.24.0186.817.112.5
2021-05-09 16:0022.751.44.3221.120.515.9
2021-05-09 15:0013.561.24.1205.219.314.6
2021-05-09 14:0017.564.24.3229.824.417.8
2021-05-09 13:0023.062.64.6205.724.017.3
2021-05-09 12:0024.253.14.9200.420.514.4
2021-05-09 11:0028.037.15.2223.619.513.4
2021-05-09 10:0026.330.84.9209.219.314.0
2021-05-09 09:0025.326.24.4210.819.915.1
2021-05-09 08:0020.826.53.9202.814.49.7
2021-05-09 07:0018.726.03.5193.417.213.2
2021-05-09 06:0013.236.33.4174.612.38.1
2021-05-09 05:008.041.23.5174.814.610.3
2021-05-09 04:0015.434.93.5212.515.611.2
2021-05-09 03:0010.441.73.3180.717.412.7
2021-05-09 02:0017.232.03.5191.619.314.0
2021-05-09 01:0020.338.03.8194.518.113.1
2021-05-09 00:0024.824.33.7228.716.412.0
2021-05-08 23:0027.610.03.8281.118.013.9
2021-05-08 22:0023.715.73.6246.917.012.5
2021-05-08 21:0016.835.23.7194.916.311.5
2021-05-08 20:0011.842.03.6190.314.79.6
2021-05-08 19:0014.743.93.8200.918.112.8
2021-05-08 18:0017.747.63.7221.218.112.5
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.

(5) Owing to temporary suspension of electricity supply, PM10 and PM2.5 monitoring at Causeway Bay roadside air quality monitoring station will be temporarily suspended starting from 10:00 AM, 12 May 2021 until further notice. We apologize for any inconvenience caused.

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Last revision date: 17:07 09-05-2021