EPD

Back Home

Past 24 Hours Pollutant Concentration Summary

Tap Mun
Date TimeNO2O3SO2COPM10PM2.5
2019-09-16 04:003.387.53.9463.219.714.6
2019-09-16 03:003.0103.74.0460.425.016.6
2019-09-16 02:003.189.54.6458.227.316.9
2019-09-16 01:004.473.94.6454.127.116.6
2019-09-16 00:005.169.54.5468.728.117.8
2019-09-15 23:005.482.04.6448.727.217.1
2019-09-15 22:004.894.24.4447.327.416.7
2019-09-15 21:003.897.54.6455.327.317.9
2019-09-15 20:005.2103.14.3472.228.217.8
2019-09-15 19:004.1103.04.6458.331.519.9
2019-09-15 18:003.2105.44.5452.929.118.2
2019-09-15 17:001.0107.54.2424.225.615.1
2019-09-15 16:001.0116.34.9408.829.316.3
2019-09-15 15:001.1112.74.0426.427.116.3
2019-09-15 14:000.8114.94.4426.526.314.7
2019-09-15 13:003.0117.54.6435.225.415.5
2019-09-15 12:002.4102.54.7460.422.315.2
2019-09-15 11:001.992.74.5476.718.812.8
2019-09-15 10:002.667.74.1504.222.415.0
2019-09-15 09:003.797.24.2455.019.013.7
2019-09-15 08:002.6111.54.0454.119.013.3
2019-09-15 07:002.7100.14.5467.327.719.6
2019-09-15 06:004.574.94.2452.733.924.8
2019-09-15 05:0011.171.75.3453.034.024.7
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.