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Tuen Mun
Date TimeNO2O3SO2COPM10PM2.5
2023-02-08 04:007.568.61.3494.98.06.9
2023-02-08 03:008.072.61.8521.016.711.8
2023-02-08 02:0013.466.92.0509.515.113.0
2023-02-08 01:0016.6-2.1489.727.618.8
2023-02-08 00:0029.049.52.5526.032.823.8
2023-02-07 23:0077.46.74.8635.630.117.2
2023-02-07 22:0082.40.86.6643.534.816.0
2023-02-07 21:0089.21.08.0705.735.018.9
2023-02-07 20:0086.61.16.5627.242.722.9
2023-02-07 19:0087.11.16.6633.844.920.1
2023-02-07 18:0084.82.78.3618.246.917.1
2023-02-07 17:0072.69.96.8551.721.910.2
2023-02-07 16:0059.218.95.8497.820.011.9
2023-02-07 15:0051.924.15.3493.626.812.0
2023-02-07 14:0062.513.75.9582.535.713.9
2023-02-07 13:0062.39.44.9650.139.918.8
2023-02-07 12:0062.46.24.5745.431.314.2
2023-02-07 11:0062.55.04.3680.729.114.0
2023-02-07 10:0060.72.84.9695.826.115.0
2023-02-07 09:0060.31.85.3814.326.013.1
2023-02-07 08:0064.51.25.6803.724.111.1
2023-02-07 07:0063.70.84.7653.231.712.0
2023-02-07 06:0063.31.84.1681.137.812.0
2023-02-07 05:0064.03.33.8582.924.512.0
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.

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Last revision date: 04:07 08-02-2023