EPD

Back Home

Past 24 Hours Pollutant Concentration Summary

Tuen Mun
Date TimeNO2O3SO2COPM10PM2.5
2022-12-02 09:0030.012.72.8629.317.05.2
2022-12-02 08:0027.315.02.3559.411.33.1
2022-12-02 07:0018.121.11.4517.211.04.0
2022-12-02 06:0014.423.31.0514.410.16.9
2022-12-02 05:0012.325.61.2514.310.08.9
2022-12-02 04:0013.423.11.2510.318.612.8
2022-12-02 03:0019.219.11.4561.714.39.2
2022-12-02 02:0021.417.21.4572.221.68.1
2022-12-02 01:0024.416.41.7568.116.37.1
2022-12-02 00:0025.516.01.6572.226.59.9
2022-12-01 23:0029.713.01.5597.129.910.0
2022-12-01 22:0033.49.61.5628.936.713.8
2022-12-01 21:0036.68.81.5658.744.615.0
2022-12-01 20:0038.98.52.0689.743.114.1
2022-12-01 19:0039.68.71.9651.574.433.0
2022-12-01 18:0040.09.52.8660.246.613.1
2022-12-01 17:0036.913.22.3641.140.312.0
2022-12-01 16:0034.317.72.2628.042.911.1
2022-12-01 15:0033.021.22.3632.238.310.1
2022-12-01 14:0031.122.32.3624.726.610.0
2022-12-01 13:0026.623.62.1614.032.78.1
2022-12-01 12:0023.722.82.1609.025.44.2
2022-12-01 11:0024.018.32.1605.327.93.0
2022-12-01 10:0023.717.12.0592.820.35.9
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.