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Date TimeNO2O3SO2COPM10PM2.5
2024-03-19 21:0015.787.11.4359.316.66.8
2024-03-19 20:0012.693.41.1385.011.64.3
2024-03-19 19:0010.7103.11.3408.712.35.9
2024-03-19 18:008.5111.40.9451.910.74.6
2024-03-19 17:007.9108.11.1468.611.35.4
2024-03-19 16:008.0106.80.9492.410.45.0
2024-03-19 15:005.8107.40.9507.79.73.9
2024-03-19 14:006.0102.81.1534.812.65.3
2024-03-19 13:006.694.01.0556.911.34.9
2024-03-19 12:006.872.60.7574.27.13.6
2024-03-19 11:0012.948.40.4621.32.51.0
2024-03-19 10:0013.435.30.4626.73.72.4
2024-03-19 09:009.934.70.3616.61.40.1
2024-03-19 08:009.631.90.5608.03.32.0
2024-03-19 07:0010.540.70.4552.019.313.6
2024-03-19 06:0010.160.00.6370.622.815.6
2024-03-19 05:007.539.80.4345.821.815.5
2024-03-19 04:003.947.40.5351.820.211.6
2024-03-19 03:006.054.41.5370.021.411.3
2024-03-19 02:007.564.40.2370.524.614.0
2024-03-19 01:007.091.60.4360.830.113.3
2024-03-19 00:005.3103.90.6357.225.411.4
2024-03-18 23:0011.092.60.5349.023.611.4
2024-03-18 22:009.499.30.6360.524.811.2
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: 21:07 19-03-2024