Past 24 Hours Pollutant Concentration Summary

Tung Chung
Date TimeNO2O3SO2COPM10PM2.5
2019-09-16 03:0032.214.44.0478.315.312.7
2019-09-16 02:0037.913.72.3506.120.117.6
2019-09-16 01:00----20.417.8
2019-09-16 00:0038.327.23.6512.420.117.0
2019-09-15 23:0042.921.63.1539.422.720.2
2019-09-15 22:0042.417.43.1530.921.618.8
2019-09-15 21:0040.419.33.1494.421.518.9
2019-09-15 20:0035.325.12.6462.619.616.8
2019-09-15 19:0031.559.43.7424.219.916.9
2019-09-15 18:0025.0102.74.8419.521.718.6
2019-09-15 17:0025.7110.54.1436.620.417.3
2019-09-15 16:0036.5104.34.5446.222.018.0
2019-09-15 15:0034.4103.54.3444.221.717.0
2019-09-15 14:0010.6120.73.3395.319.015.6
2019-09-15 13:0010.8100.13.8365.618.015.3
2019-09-15 12:009.393.02.8373.917.916.5
2019-09-15 11:0016.077.92.3416.117.115.8
2019-09-15 10:0015.987.72.4417.915.313.3
2019-09-15 09:0028.152.93.4458.017.714.9
2019-09-15 08:0032.511.63.7457.318.516.6
2019-09-15 07:0028.89.33.0425.916.014.2
2019-09-15 06:0023.88.82.8388.513.611.8
2019-09-15 05:0024.015.53.2380.810.48.9
2019-09-15 04:0032.515.23.5412.510.38.5
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:03:07 16-09-2019