Tung Chung
Date TimeNO2O3SO2COPM10PM2.5
2023-02-08 04:008.169.30.7331.512.29.1
2023-02-08 03:008.969.00.7357.915.112.1
2023-02-08 02:0010.965.40.8355.319.215.3
2023-02-08 01:0018.852.11.1304.416.914.3
2023-02-08 00:0023.547.31.0301.219.316.6
2023-02-07 23:0047.210.92.0437.017.814.2
2023-02-07 22:0049.51.82.7442.218.914.2
2023-02-07 21:0048.51.23.1471.219.314.7
2023-02-07 20:0054.01.43.1458.225.416.1
2023-02-07 19:0069.91.13.4485.826.817.8
2023-02-07 18:0070.97.0-485.327.718.3
2023-02-07 17:0071.614.2-487.026.617.4
2023-02-07 16:0065.89.718.1415.327.616.1
2023-02-07 15:0064.922.018.5416.128.217.5
2023-02-07 14:0065.711.918.3427.917.912.8
2023-02-07 13:0053.88.916.6398.517.012.4
2023-02-07 12:0057.87.517.1364.627.718.5
2023-02-07 11:0059.95.716.4442.529.219.8
2023-02-07 10:0059.53.915.3521.919.413.8
2023-02-07 09:0050.6-13.4494.212.510.6
2023-02-07 08:0043.1-12.5390.310.89.8
2023-02-07 07:0040.14.012.7376.06.4-
2023-02-07 06:0028.58.012.1322.64.4-
2023-02-07 05:0021.216.612.1274.73.7-
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