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Past 24 Hours Pollutant Concentration Summary

Central
Date TimeNO2O3SO2COPM10PM2.5
2022-06-29 11:0048.910.24.1914.313.29.0
2022-06-29 10:0047.28.83.8880.612.69.0
2022-06-29 09:0048.87.23.7902.811.26.4
2022-06-29 08:0040.46.22.4840.49.65.3
2022-06-29 07:0032.6-1.6758.411.17.6
2022-06-29 06:0043.75.12.2849.57.34.9
2022-06-29 05:0028.118.41.5769.74.93.4
2022-06-29 04:0027.716.71.4801.05.84.4
2022-06-29 03:0041.714.82.1776.45.03.2
2022-06-29 02:0039.119.52.3799.812.47.1
2022-06-29 01:0051.212.72.6817.27.96.0
2022-06-29 00:0042.211.52.6856.67.66.6
2022-06-28 23:0042.915.12.6861.910.49.1
2022-06-28 22:0046.212.53.1972.318.215.0
2022-06-28 21:0061.08.04.01,113.917.114.8
2022-06-28 20:0085.45.85.11,100.913.711.7
2022-06-28 19:0091.96.56.71,075.917.714.2
2022-06-28 18:0094.86.16.91,106.714.911.8
2022-06-28 17:0073.010.75.7773.110.47.7
2022-06-28 16:0058.016.95.2886.511.38.6
2022-06-28 15:0060.717.06.2918.413.910.8
2022-06-28 14:0057.412.93.8951.616.213.0
2022-06-28 13:0066.88.34.41,043.916.412.8
2022-06-28 12:0070.87.24.6939.412.08.5
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.