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Causeway Bay
Date TimeNO2O3SO2COPM10PM2.5
2022-10-07 01:0036.856.01.9311.912.63.6
2022-10-07 00:0041.955.42.0251.632.217.7
2022-10-06 23:0061.738.82.6318.924.112.7
2022-10-06 22:0066.348.42.1376.839.023.1
2022-10-06 21:0058.657.12.0343.934.519.5
2022-10-06 20:0058.159.72.6435.145.127.4
2022-10-06 19:0088.641.34.2619.729.416.7
2022-10-06 18:0069.563.33.4559.435.418.9
2022-10-06 17:0067.963.22.8481.134.418.9
2022-10-06 16:0083.441.03.5490.231.915.2
2022-10-06 15:0085.940.93.7445.536.216.5
2022-10-06 14:0079.243.63.7409.137.720.8
2022-10-06 13:0086.329.64.8468.235.120.2
2022-10-06 12:0070.537.03.5380.033.115.2
2022-10-06 11:0068.732.82.9404.643.915.4
2022-10-06 10:0052.140.32.5317.3101.324.3
2022-10-06 09:0074.417.25.7552.434.615.9
2022-10-06 08:0056.325.53.3327.433.818.5
2022-10-06 07:0047.231.82.7358.925.612.5
2022-10-06 06:0021.660.71.1212.713.44.8
2022-10-06 05:0017.266.51.2188.518.47.6
2022-10-06 04:00-67.7--34.816.9
2022-10-06 03:0019.368.70.9220.029.414.8
2022-10-06 02:0018.270.71.0260.316.46.6
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: 01:07 07-10-2022