Central
Date TimeNO2O3SO2COPM10PM2.5
2024-02-23 11:0045.912.41.9550.324.114.1
2024-02-23 10:0047.413.81.9528.629.517.6
2024-02-23 09:0055.913.91.9466.923.113.5
2024-02-23 08:0041.124.50.8362.120.111.7
2024-02-23 07:0025.435.40.5345.218.511.3
2024-02-23 06:0016.544.90.5342.517.111.6
2024-02-23 05:0017.247.70.5341.122.314.1
2024-02-23 04:0020.142.00.6372.231.617.9
2024-02-23 03:0020.242.30.6329.530.619.7
2024-02-23 02:0025.137.20.9240.523.717.7
2024-02-23 01:0037.829.01.5293.629.321.4
2024-02-23 00:0062.410.72.4544.332.423.7
2024-02-22 23:0066.710.82.0533.129.622.6
2024-02-22 22:0061.615.61.9537.630.722.1
2024-02-22 21:0063.715.92.0552.832.422.6
2024-02-22 20:0077.010.62.6517.433.823.8
2024-02-22 19:0082.86.33.8567.036.224.6
2024-02-22 18:0084.86.03.3535.138.124.5
2024-02-22 17:0087.86.83.7521.245.228.4
2024-02-22 16:0093.56.44.6545.548.230.9
2024-02-22 15:0083.1-3.5504.644.128.4
2024-02-22 14:0070.88.63.0477.142.028.2
2024-02-22 13:0067.76.83.8471.638.224.3
2024-02-22 12:00-5.34.6622.337.325.7
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: 11:07 23-02-2024