Past 24 Hours Pollutant Concentration Summary

Tap Mun
Date TimeNO2O3SO2COPM10PM2.5
2019-08-18 04:009.68.83.0354.721.88.7
2019-08-18 03:009.19.23.2362.822.27.9
2019-08-18 02:006.811.06.0354.824.07.5
2019-08-18 01:00----28.58.7
2019-08-18 00:003.69.42.6355.227.37.7
2019-08-17 23:005.016.12.4336.524.46.9
2019-08-17 22:0011.521.52.8345.816.56.6
2019-08-17 21:0013.920.92.7380.417.07.9
2019-08-17 20:0014.526.72.6352.513.97.6
2019-08-17 19:0021.430.72.7366.619.39.4
2019-08-17 18:0012.433.92.6401.520.28.8
2019-08-17 17:0013.043.02.5355.517.99.0
2019-08-17 16:0011.147.22.0394.712.76.7
2019-08-17 15:0013.542.92.7424.811.14.6
2019-08-17 14:008.746.32.2381.68.03.3
2019-08-17 13:005.148.02.6347.210.52.7
2019-08-17 12:0011.549.22.4362.928.211.9
2019-08-17 11:0021.244.23.0420.421.114.0
2019-08-17 10:0031.120.43.8428.320.114.0
2019-08-17 09:0013.830.33.5441.221.410.7
2019-08-17 08:0010.524.43.2475.222.110.1
2019-08-17 07:007.513.32.7458.229.714.1
2019-08-17 06:008.716.92.3426.926.912.7
2019-08-17 05:009.436.72.5411.918.810.0
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.

Last revision date:04:07 18-08-2019