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Past 24 Hours Pollutant Concentration Summary

Tuen Mun
Date TimeNO2O3SO2COPM10PM2.5
2021-12-02 09:0044.750.28.4488.145.022.1
2021-12-02 08:0034.956.48.3482.342.021.0
2021-12-02 07:0019.070.38.1452.648.023.9
2021-12-02 06:0014.476.08.3439.843.021.1
2021-12-02 05:0014.375.38.7441.847.019.1
2021-12-02 04:0016.673.18.8445.545.018.0
2021-12-02 03:0018.073.29.5448.148.020.9
2021-12-02 02:0022.371.19.3469.145.017.1
2021-12-02 01:0028.165.68.8472.559.021.8
2021-12-02 00:0033.961.78.8480.757.022.0
2021-12-01 23:0041.457.68.0511.361.023.9
2021-12-01 22:0065.940.27.8608.068.029.8
2021-12-01 21:0067.840.17.3637.272.027.1
2021-12-01 20:0072.845.17.3632.373.026.0
2021-12-01 19:0097.728.07.6682.962.025.0
2021-12-01 18:0092.437.87.2614.859.018.2
2021-12-01 17:0062.172.16.4567.764.022.8
2021-12-01 16:0056.480.46.4548.765.022.0
2021-12-01 15:0055.384.36.4572.054.021.0
2021-12-01 14:0045.384.06.4566.653.019.1
2021-12-01 13:0042.074.86.0595.968.020.0
2021-12-01 12:0039.967.16.3550.7--
2021-12-01 11:0031.569.56.3465.6--
2021-12-01 10:0040.459.56.9475.178.021.0
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.