Eastern
Date TimeNO2O3SO2COPM10PM2.5
2021-03-08 08:0039.651.30.5-21.316.1
2021-03-08 07:0032.158.90.4-20.813.6
2021-03-08 06:0019.969.10.4-20.111.3
2021-03-08 05:0015.868.90.2-25.313.6
2021-03-08 04:0014.372.70.4-25.815.6
2021-03-08 03:0015.371.50.5-23.415.7
2021-03-08 02:0018.173.70.5-16.614.3
2021-03-08 01:0022.676.90.4-13.0-
2021-03-08 00:0029.253.70.2-15.912.6
2021-03-07 23:0035.331.40.2-16.612.2
2021-03-07 22:0030.840.80.2-22.511.6
2021-03-07 21:0034.139.60.2-25.712.1
2021-03-07 20:0035.836.40.1-23.211.3
2021-03-07 19:0037.730.00.1-15.26.7
2021-03-07 18:0037.031.60.1-8.64.6
2021-03-07 17:0037.931.40.1-11.56.3
2021-03-07 16:0032.038.40.1-15.97.8
2021-03-07 15:0032.243.90.1-20.19.4
2021-03-07 14:0026.560.70.3-20.411.2
2021-03-07 13:0033.762.20.5-16.69.8
2021-03-07 12:0034.061.90.4-10.96.6
2021-03-07 11:0031.860.80.4-9.44.8
2021-03-07 10:0032.460.90.3-12.96.7
2021-03-07 09:0031.362.10.4-17.59.2
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