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Past 24 Hours Pollutant Concentration Summary

Tuen Mun
Date TimeNO2O3SO2COPM10PM2.5
2022-10-06 23:0010.194.53.3443.522.014.7
2022-10-06 22:0019.680.13.2494.528.915.0
2022-10-06 21:0028.382.83.8531.030.016.9
2022-10-06 20:0058.355.14.6622.028.016.0
2022-10-06 19:0069.743.55.5574.328.015.0
2022-10-06 18:0041.479.45.4509.926.010.2
2022-10-06 17:0019.0103.44.0470.626.014.8
2022-10-06 16:0028.396.74.1497.132.913.1
2022-10-06 15:0029.999.44.2540.924.213.0
2022-10-06 14:0022.7103.34.5475.923.011.1
2022-10-06 13:0020.998.04.0480.023.012.0
2022-10-06 12:0025.176.83.6513.424.012.0
2022-10-06 11:0029.162.63.4499.221.110.1
2022-10-06 10:0029.357.53.5496.524.09.0
2022-10-06 09:0028.752.73.5498.230.910.0
2022-10-06 08:0024.854.43.3537.125.111.0
2022-10-06 07:0021.457.33.2506.328.912.9
2022-10-06 06:0016.763.43.0508.228.08.2
2022-10-06 05:007.378.23.0480.725.112.8
2022-10-06 04:003.786.03.0426.328.013.0
2022-10-06 03:003.390.03.1431.629.013.0
2022-10-06 02:005.091.13.0434.026.111.1
2022-10-06 01:008.888.93.1447.925.011.0
2022-10-06 00:0010.689.43.1461.726.012.0
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.