Tap Mun
Date TimeNO2O3SO2COPM10PM2.5
2021-09-21 21:004.732.56.7470.46.54.7
2021-09-21 20:004.439.46.7449.25.23.4
2021-09-21 19:002.248.26.7425.54.53.4
2021-09-21 18:004.259.26.9422.62.31.7
2021-09-21 17:004.156.36.9430.33.62.2
2021-09-21 16:007.850.17.4466.42.92.1
2021-09-21 15:008.348.27.4463.52.82.4
2021-09-21 14:005.682.68.0455.16.44.7
2021-09-21 13:002.772.77.0441.33.12.4
2021-09-21 12:002.259.36.9429.14.94.2
2021-09-21 11:004.850.07.1427.86.44.8
2021-09-21 10:0019.030.38.0465.87.74.3
2021-09-21 09:0018.920.58.0512.49.66.9
2021-09-21 08:0016.511.97.5501.58.44.3
2021-09-21 07:0016.35.96.5484.47.63.1
2021-09-21 06:0014.65.86.6471.36.91.6
2021-09-21 05:0013.36.16.8471.69.03.1
2021-09-21 04:0012.310.46.7470.710.34.7
2021-09-21 03:0012.215.07.8467.27.12.6
2021-09-21 02:0012.519.76.8460.48.23.9
2021-09-21 01:008.814.86.7457.97.83.5
2021-09-21 00:008.017.96.1446.57.23.1
2021-09-20 23:008.817.84.9431.88.45.3
2021-09-20 22:008.624.15.2439.16.64.1
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.

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Last revision date: 21:07 21-09-2021