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Southern
Date TimeNO2O3SO2COPM10PM2.5
2024-05-03 00:008.6117.60.5535.310.04.5
2024-05-02 23:009.0115.10.3540.113.24.7
2024-05-02 22:0012.6109.60.6539.918.54.8
2024-05-02 21:0013.9105.70.4549.323.68.0
2024-05-02 20:0012.2108.10.6559.330.013.8
2024-05-02 19:0017.6103.50.7598.531.914.2
2024-05-02 18:0024.897.70.8626.132.914.5
2024-05-02 17:0029.193.30.6621.036.314.1
2024-05-02 16:0030.988.80.9616.730.912.8
2024-05-02 15:0029.090.90.9601.423.39.4
2024-05-02 14:0025.990.30.4579.421.59.3
2024-05-02 13:0026.688.50.7551.817.310.0
2024-05-02 12:0023.092.30.4536.121.79.3
2024-05-02 11:0023.489.00.3537.024.010.9
2024-05-02 10:0021.684.90.7539.120.09.8
2024-05-02 09:0022.480.70.7544.120.511.4
2024-05-02 08:0024.274.50.6558.216.49.3
2024-05-02 07:0022.870.00.3555.516.55.9
2024-05-02 06:009.181.20.9556.822.67.8
2024-05-02 05:006.183.60.7564.024.215.6
2024-05-02 04:006.076.31.0558.023.615.8
2024-05-02 03:009.475.51.0559.121.29.7
2024-05-02 02:0013.460.50.8607.920.26.6
2024-05-02 01:0014.846.90.9646.224.111.7
Remarks:

(1) Time shown is in Hong Kong time.

(2) Concentration shown is in microgram per cubic metre (µg/m3).

(3) Abbreviation:
NO2 - nitrogen dioxide, O3 - ozone,
SO2 - sulphur dioxide, CO - carbon monoxide,
PM10 - respirable suspended particulates,
PM2.5 - fine suspended particulates

(4) The pollutant concentration is based on real time data taken directly from EPD's Air Quality Monitoring Network.

Last revision date: 00:07 03-05-2024