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Past 24 Hours Pollutant Concentration Summary

Tuen Mun
Date TimeNO2O3SO2COPM10PM2.5
2023-05-28 16:0014.5111.84.0492.327.913.9
2023-05-28 15:0018.0115.24.3542.331.912.1
2023-05-28 14:0019.197.04.3508.429.113.9
2023-05-28 13:0017.389.54.2471.426.112.1
2023-05-28 12:0027.166.94.8473.730.813.9
2023-05-28 11:0027.859.74.0555.619.410.1
2023-05-28 10:0026.449.83.5602.625.89.0
2023-05-28 09:0019.148.03.2525.925.06.1
2023-05-28 08:0011.952.23.2465.026.07.9
2023-05-28 07:0016.349.63.3535.625.011.9
2023-05-28 06:0024.434.53.8528.724.07.2
2023-05-28 05:0023.234.44.0510.516.38.0
2023-05-28 04:0018.639.23.7446.724.79.0
2023-05-28 03:0025.434.94.2455.323.112.9
2023-05-28 02:0020.639.53.9461.525.914.0
2023-05-28 01:0018.843.53.7457.831.812.1
2023-05-28 00:0027.633.94.0472.028.113.9
2023-05-27 23:0021.845.63.5477.924.115.9
2023-05-27 22:0030.145.43.8529.226.915.0
2023-05-27 21:0035.840.04.1582.537.616.9
2023-05-27 20:0044.831.74.3599.034.112.2
2023-05-27 19:0033.942.74.7496.127.212.0
2023-05-27 18:0024.957.64.2490.637.617.8
2023-05-27 17:0023.561.74.4481.535.114.1
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.