Past 24 Hours Pollutant Concentration Summary

Central/Western
Date TimeNO2O3SO2COPM10PM2.5
2020-01-19 21:0070.23.52.9-56.740.2
2020-01-19 20:0064.68.62.4-57.339.8
2020-01-19 19:0070.611.02.4-57.538.4
2020-01-19 18:0061.026.73.0-68.044.7
2020-01-19 17:0052.239.52.9-70.645.6
2020-01-19 16:0052.240.03.1-64.239.0
2020-01-19 15:0042.048.22.8-61.337.3
2020-01-19 14:0046.941.33.4-52.834.6
2020-01-19 13:0045.545.83.0-39.828.6
2020-01-19 12:0036.052.23.0-37.325.3
2020-01-19 11:0034.441.12.8-34.022.5
2020-01-19 10:0030.639.72.0-32.120.2
2020-01-19 09:0040.636.12.0-27.719.1
2020-01-19 08:0027.558.21.1-28.518.8
2020-01-19 07:0021.864.81.5-27.318.2
2020-01-19 06:0013.775.81.3-19.311.8
2020-01-19 05:0013.380.01.1-20.113.5
2020-01-19 04:0015.381.51.2-19.913.6
2020-01-19 03:0014.784.51.2-18.512.1
2020-01-19 02:0022.276.41.3-18.912.5
2020-01-19 01:0028.071.91.6-20.914.0
2020-01-19 00:0031.171.01.6-19.913.5
2020-01-18 23:0031.971.11.5-22.915.9
2020-01-18 22:0031.774.11.5-22.015.7
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.

Mobile Version | Desktop Version
Last revision date:21:07 19-01-2020