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Tuen Mun
Date TimeNO2O3SO2COPM10PM2.5
2023-05-30 02:0026.039.02.2504.829.013.0
2023-05-30 01:0039.135.72.9569.328.014.0
2023-05-30 00:0032.644.42.9546.827.015.0
2023-05-29 23:0033.348.32.3524.630.915.0
2023-05-29 22:0044.144.82.8559.032.916.9
2023-05-29 21:0029.287.73.3559.541.717.0
2023-05-29 20:0024.9128.53.4543.548.819.9
2023-05-29 19:0051.4111.22.6552.547.122.9
2023-05-29 18:0032.3181.9-521.753.822.0
2023-05-29 17:0029.8203.1-559.847.222.0
2023-05-29 16:0027.4178.1-526.647.022.0
2023-05-29 15:0024.3167.7-515.345.112.3
2023-05-29 14:0018.4139.6-454.739.215.9
2023-05-29 13:0023.5104.0-456.545.818.9
2023-05-29 12:0045.261.1-530.044.122.9
2023-05-29 11:0048.646.97.3496.534.317.2
2023-05-29 10:0035.660.88.3457.535.914.1
2023-05-29 09:0036.154.26.5531.730.215.0
2023-05-29 08:0036.543.94.8542.934.814.0
2023-05-29 07:0046.731.26.3502.629.212.1
2023-05-29 06:0052.017.85.4565.328.013.9
2023-05-29 05:0047.024.65.4504.930.914.0
2023-05-29 04:0021.060.05.0414.433.914.0
2023-05-29 03:0051.237.36.5472.334.011.1
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: 02:07 30-05-2023