Central/Western
Date TimeNO2O3SO2COPM10PM2.5
2021-03-08 08:0031.241.91.9-21.813.4
2021-03-08 07:0019.452.71.9-19.113.2
2021-03-08 06:0011.560.02.0-20.515.4
2021-03-08 05:008.961.61.9-19.713.7
2021-03-08 04:008.562.41.9-18.111.6
2021-03-08 03:0011.962.11.9-23.318.6
2021-03-08 02:0012.967.31.9-17.215.1
2021-03-08 01:0018.355.01.9-12.210.1
2021-03-08 00:0024.329.02.0-18.314.2
2021-03-07 23:0029.230.81.9-15.012.6
2021-03-07 22:0026.338.61.7-16.814.4
2021-03-07 21:0034.328.81.9-20.316.5
2021-03-07 20:0035.425.81.9-20.716.8
2021-03-07 19:0035.428.11.9-15.813.9
2021-03-07 18:0031.131.21.9-14.312.3
2021-03-07 17:0032.526.61.9-14.111.8
2021-03-07 16:0026.838.31.9-16.312.3
2021-03-07 15:0027.241.51.9-23.117.7
2021-03-07 14:0026.550.32.3-21.415.8
2021-03-07 13:0027.153.82.4-17.611.9
2021-03-07 12:0026.251.42.8-16.411.4
2021-03-07 11:0029.845.92.9-15.610.7
2021-03-07 10:0020.753.12.4-15.69.7
2021-03-07 09:0016.362.92.5-15.08.5
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 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