Causeway Bay
Date TimeNO2O3SO2COPM10PM2.5
2022-11-27 13:0071.350.82.9459.169.140.3
2022-11-27 12:0069.248.33.1419.858.934.3
2022-11-27 11:0055.647.12.1377.734.819.8
2022-11-27 10:0049.144.22.2279.727.814.7
2022-11-27 09:0048.141.42.3268.641.024.9
2022-11-27 08:0046.740.72.4264.417.611.0
2022-11-27 07:0029.648.81.8308.816.77.8
2022-11-27 06:0022.955.81.8259.323.111.8
2022-11-27 05:0017.662.42.1214.324.914.8
2022-11-27 04:00-60.3--16.99.3
2022-11-27 03:0017.458.12.1212.016.19.3
2022-11-27 02:0026.951.22.9243.423.113.1
2022-11-27 01:0047.132.43.7314.721.714.5
2022-11-27 00:0049.834.04.2301.420.815.5
2022-11-26 23:0042.231.52.8256.823.616.5
2022-11-26 22:0038.832.22.8365.924.215.8
2022-11-26 21:0057.718.83.6561.321.914.8
2022-11-26 20:0047.928.54.0577.725.516.7
2022-11-26 19:0061.616.65.0647.231.021.6
2022-11-26 18:0064.522.15.6723.930.320.5
2022-11-26 17:0068.917.14.8720.720.212.5
2022-11-26 16:0059.316.73.7470.529.918.6
2022-11-26 15:0061.115.84.8640.228.820.6
2022-11-26 14:0064.710.64.8712.322.416.5
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: 13:07 27-11-2022