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Central/Western
Date TimeNO2O3SO2COPM10PM2.5
2022-01-24 21:0032.862.51.4-19.815.5
2022-01-24 20:0048.253.11.4-25.321.0
2022-01-24 19:0054.551.51.9-30.025.8
2022-01-24 18:0053.560.12.4-31.126.6
2022-01-24 17:0052.559.52.1-27.523.3
2022-01-24 16:0049.156.42.2-20.817.4
2022-01-24 15:0039.965.62.4-24.820.5
2022-01-24 14:0041.573.82.7-24.920.5
2022-01-24 13:0051.747.13.3-20.116.3
2022-01-24 12:0047.543.45.1-21.817.8
2022-01-24 11:0057.128.86.8-30.826.9
2022-01-24 10:0061.919.05.3-32.128.9
2022-01-24 09:0066.39.54.6-25.021.5
2022-01-24 08:0071.95.55.5-24.819.9
2022-01-24 07:0081.85.26.9-22.316.6
2022-01-24 06:0084.43.98.3-28.621.9
2022-01-24 05:0083.54.210.0-23.817.7
2022-01-24 04:0085.45.48.5-24.118.0
2022-01-24 03:0082.15.27.7-25.016.4
2022-01-24 02:0094.24.512.4-26.216.0
2022-01-24 01:0098.05.112.3-24.116.1
2022-01-24 00:0097.65.610.6-26.718.2
2022-01-23 23:00102.25.411.2-27.717.9
2022-01-23 22:0099.45.59.0-23.916.2
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 24-01-2022