Tap Mun
Date TimeNO2O3SO2COPM10PM2.5
2023-09-21 22:007.281.31.3552.719.113.5
2023-09-21 21:007.6124.81.3536.220.815.5
2023-09-21 20:007.1117.11.5536.021.416.2
2023-09-21 19:008.0127.01.7542.319.414.1
2023-09-21 18:008.2134.81.9554.516.811.6
2023-09-21 17:006.0145.41.8550.219.212.9
2023-09-21 16:009.9158.31.8536.721.713.5
2023-09-21 15:0011.0186.01.8541.019.711.1
2023-09-21 14:0010.9144.41.6526.817.29.0
2023-09-21 13:0022.796.52.0518.618.310.1
2023-09-21 12:0029.950.12.5515.913.66.8
2023-09-21 11:0022.942.12.3521.210.55.6
2023-09-21 10:0015.133.91.9486.86.02.7
2023-09-21 09:0012.629.01.9481.86.02.8
2023-09-21 08:0019.215.81.8517.78.75.4
2023-09-21 07:0028.110.31.4527.49.24.8
2023-09-21 06:0027.71.71.1526.610.03.8
2023-09-21 05:0024.1-1.1545.79.63.5
2023-09-21 04:0024.6-0.8524.010.34.9
2023-09-21 03:0019.5-0.8526.89.35.0
2023-09-21 02:0019.86.01.1517.68.23.5
2023-09-21 01:0015.49.51.2501.77.32.4
2023-09-21 00:0012.612.90.9484.07.74.1
2023-09-20 23:009.517.21.0466.86.82.6
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: 22:07 21-09-2023