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Central/Western
Date TimeNO2O3SO2COPM10PM2.5
2022-07-02 10:002.965.02.9-10.04.9
2022-07-02 09:003.565.03.0-15.88.0
2022-07-02 08:003.469.22.8-10.72.4
2022-07-02 07:003.763.73.0-11.03.7
2022-07-02 06:002.366.72.9-12.22.9
2022-07-02 05:001.769.52.9-11.12.7
2022-07-02 04:001.569.52.9-7.52.5
2022-07-02 03:001.666.03.8-10.23.7
2022-07-02 02:00-61.7--12.32.8
2022-07-02 01:004.558.93.1-10.52.3
2022-07-02 00:004.059.83.0-7.51.1
2022-07-01 23:003.360.33.1-11.63.7
2022-07-01 22:004.858.43.0-10.43.3
2022-07-01 21:005.957.53.0-14.45.6
2022-07-01 20:009.752.83.0-12.85.0
2022-07-01 19:009.952.02.9-10.43.8
2022-07-01 18:009.551.83.0-7.43.6
2022-07-01 17:0011.050.42.9-4.72.8
2022-07-01 16:0012.052.12.9-5.82.0
2022-07-01 15:0013.747.82.9-7.65.4
2022-07-01 14:0012.852.92.7-9.46.9
2022-07-01 13:009.957.42.6-8.95.8
2022-07-01 12:008.452.12.6-7.94.1
2022-07-01 11:0010.152.92.5-6.52.8
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: 10:07 02-07-2022