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Past 24 Hours Pollutant Concentration Summary

Tuen Mun
Date TimeNO2O3SO2COPM10PM2.5
2022-06-29 12:0041.16.84.1584.919.29.0
2022-06-29 11:0033.210.44.4561.718.07.1
2022-06-29 10:0040.65.87.8464.19.37.0
2022-06-29 09:0035.19.35.0444.215.85.1
2022-06-29 08:0026.414.62.7425.710.25.0
2022-06-29 07:0024.816.92.5406.08.15.0
2022-06-29 06:0030.410.62.7454.28.04.0
2022-06-29 05:0029.511.92.7381.25.15.0
2022-06-29 04:0024.817.83.1338.57.94.0
2022-06-29 03:0030.614.23.6349.014.85.0
2022-06-29 02:0032.117.64.1351.814.07.9
2022-06-29 01:0034.6-4.1349.713.08.0
2022-06-29 00:0029.622.53.3352.115.98.0
2022-06-28 23:0023.334.02.8350.911.29.0
2022-06-28 22:0031.133.23.4369.712.010.0
2022-06-28 21:0034.430.43.4366.814.98.1
2022-06-28 20:0043.520.13.4388.29.26.1
2022-06-28 19:0040.420.73.0385.111.97.0
2022-06-28 18:0028.337.32.5333.219.77.0
2022-06-28 17:0029.151.93.3334.511.36.0
2022-06-28 16:0019.954.93.3319.219.77.0
2022-06-28 15:0018.273.52.6354.616.16.0
2022-06-28 14:0024.465.02.3394.817.97.0
2022-06-28 13:0023.855.32.7395.018.05.1
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.