EPD

Back Home

Past 24 Hours Pollutant Concentration Summary

Tseung Kwan O
Date TimeNO2O3SO2COPM10PM2.5
2021-06-24 02:0048.22.02.0646.516.511.7
2021-06-24 01:0056.21.92.4651.317.311.5
2021-06-24 00:0053.95.31.7627.616.59.0
2021-06-23 23:0054.23.42.0683.613.25.5
2021-06-23 22:0045.214.91.7596.610.26.3
2021-06-23 21:0015.455.81.1404.712.08.7
2021-06-23 20:0048.130.11.5524.510.29.7
2021-06-23 19:0073.811.52.1557.79.76.0
2021-06-23 18:0056.425.31.7476.510.67.5
2021-06-23 17:0051.828.21.7436.57.2-
2021-06-23 16:0060.321.61.9471.15.75.2
2021-06-23 15:0067.218.21.9497.86.54.8
2021-06-23 14:0055.925.91.8450.710.77.3
2021-06-23 13:0059.913.71.7538.018.29.4
2021-06-23 12:0030.132.62.1495.818.68.8
2021-06-23 11:0031.525.02.3535.519.812.5
2021-06-23 10:0055.99.23.1719.618.413.7
2021-06-23 09:0068.35.54.5738.818.710.4
2021-06-23 08:0066.85.94.6660.819.810.4
2021-06-23 07:0066.62.34.4686.319.69.6
2021-06-23 06:0055.02.32.0506.516.38.1
2021-06-23 05:0047.96.01.8476.213.87.7
2021-06-23 04:0045.110.61.8466.314.29.2
2021-06-23 03:0047.914.92.5460.812.98.8
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.