Central
Date TimeNO2O3SO2COPM10PM2.5
2022-07-02 08:004.757.91.5770.611.93.3
2022-07-02 07:005.753.21.8740.513.15.0
2022-07-02 06:004.656.61.6739.916.97.2
2022-07-02 05:003.159.61.4737.114.76.0
2022-07-02 04:003.658.81.9740.510.15.4
2022-07-02 03:00-54.6--12.86.6
2022-07-02 02:004.053.11.6750.714.96.0
2022-07-02 01:005.551.41.6739.411.93.4
2022-07-02 00:003.652.01.6739.312.85.6
2022-07-01 23:004.751.01.4746.113.85.0
2022-07-01 22:009.946.81.7796.114.65.9
2022-07-01 21:0014.744.71.9792.516.16.9
2022-07-01 20:0017.241.41.9797.016.68.2
2022-07-01 19:0020.739.91.7803.312.65.0
2022-07-01 18:0018.838.62.0796.58.93.8
2022-07-01 17:0024.236.01.8804.22.91.0
2022-07-01 16:0020.538.22.2818.88.03.8
2022-07-01 15:0025.635.12.2827.29.96.6
2022-07-01 14:0021.539.22.0803.78.34.2
2022-07-01 13:0023.340.41.7819.47.42.9
2022-07-01 12:0027.133.62.2808.28.74.4
2022-07-01 11:0025.036.51.8817.311.25.9
2022-07-01 10:0021.836.71.9777.77.33.6
2022-07-01 09:0024.831.51.8783.36.22.4
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: 08:07 02-07-2022