Tung Chung
Date TimeNO2O3SO2COPM10PM2.5
2021-10-16 03:0026.711.86.6385.114.08.4
2021-10-16 02:0024.412.06.6377.714.39.5
2021-10-16 01:0021.612.26.6382.314.59.6
2021-10-16 00:0026.410.06.5375.613.59.3
2021-10-15 23:0026.98.86.7372.88.25.1
2021-10-15 22:0030.210.86.9368.74.92.9
2021-10-15 21:0023.818.06.7321.63.42.2
2021-10-15 20:0026.219.76.5292.94.03.0
2021-10-15 19:0028.020.66.1255.23.22.0
2021-10-15 18:0048.612.46.9282.63.72.4
2021-10-15 17:0031.031.26.5262.57.26.3
2021-10-15 16:0043.221.97.0377.710.09.1
2021-10-15 15:0045.817.97.8396.813.711.9
2021-10-15 14:0043.421.67.4419.917.814.1
2021-10-15 13:0046.812.38.1497.619.014.5
2021-10-15 12:0039.312.97.8486.215.812.6
2021-10-15 11:0034.118.27.3426.516.514.0
2021-10-15 10:0034.516.47.5424.815.212.7
2021-10-15 09:0026.725.27.3413.418.515.5
2021-10-15 08:0022.923.87.6420.417.114.3
2021-10-15 07:0022.223.87.1394.120.915.9
2021-10-15 06:0027.021.07.3406.826.419.2
2021-10-15 05:0032.113.27.0407.124.417.3
2021-10-15 04:0027.113.36.8373.920.714.1
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.