EPD

Back Home

Past 24 Hours Pollutant Concentration Summary

North
Date TimeNO2O3SO2COPM10PM2.5
2023-06-08 14:0018.253.32.3200.413.56.4
2023-06-08 13:0018.253.82.3205.614.38.8
2023-06-08 12:0018.051.82.5195.511.37.1
2023-06-08 11:0019.938.72.4259.210.45.1
2023-06-08 10:0027.525.92.5232.111.65.8
2023-06-08 09:0033.718.22.6281.013.89.9
2023-06-08 08:0042.910.82.9341.514.89.7
2023-06-08 07:0036.812.22.5283.611.85.8
2023-06-08 06:0019.423.82.2225.910.94.1
2023-06-08 05:0017.428.02.2202.412.55.0
2023-06-08 04:0020.228.02.5220.813.66.8
2023-06-08 03:0021.325.42.7231.613.16.1
2023-06-08 02:0022.624.92.7217.611.33.4
2023-06-08 01:0037.312.02.6296.213.04.3
2023-06-08 00:0033.816.72.5260.813.76.6
2023-06-07 23:0029.221.42.3339.014.67.0
2023-06-07 22:0031.819.12.2294.814.38.9
2023-06-07 21:0038.414.12.3370.114.29.6
2023-06-07 20:0041.413.52.5318.017.59.7
2023-06-07 19:0053.26.12.9372.715.85.2
2023-06-07 18:0057.98.22.9405.09.35.7
2023-06-07 17:0029.227.52.2239.45.8-
2023-06-07 16:0035.723.42.3248.66.5-
2023-06-07 15:0022.349.82.2254.94.6-
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.