Southern
Date TimeNO2O3SO2COPM10PM2.5
2021-03-08 08:0031.548.91.8532.023.013.1
2021-03-08 07:0029.949.31.3526.515.510.4
2021-03-08 06:0021.855.81.1497.912.110.2
2021-03-08 05:00-64.51.2475.513.19.9
2021-03-08 04:0010.863.11.5470.114.47.1
2021-03-08 03:009.366.81.0473.21.6-
2021-03-08 02:0015.366.81.1454.33.4-
2021-03-08 01:0018.361.21.1478.817.512.6
2021-03-08 00:0018.545.31.1605.022.711.4
2021-03-07 23:0020.840.61.4673.122.09.8
2021-03-07 22:0022.245.61.2662.115.511.1
2021-03-07 21:0017.548.31.3623.613.47.3
2021-03-07 20:0024.844.71.2692.616.23.6
2021-03-07 19:0028.641.61.4711.812.23.1
2021-03-07 18:0028.636.51.3680.48.04.1
2021-03-07 17:0028.238.01.4636.812.13.1
2021-03-07 16:0023.947.71.4566.716.47.0
2021-03-07 15:0021.653.51.1526.615.011.4
2021-03-07 14:0022.159.91.1467.911.911.0
2021-03-07 13:0018.967.21.4412.311.37.0
2021-03-07 12:0017.466.81.6411.79.35.8
2021-03-07 11:0027.053.21.7454.911.56.3
2021-03-07 10:0022.856.71.7439.318.16.3
2021-03-07 09:0021.161.61.6417.721.58.1
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 urgent repair and maintenance, monitoring of PM10 & PM2.5 at Mongkok roadside air quality monitoring station have been temporarily suspended until further notice. We apologize for any inconvenience caused.

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Last revision date: 08:07 08-03-2021