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Date TimeNO2O3SO2COPM10PM2.5
2023-02-05 18:0011.055.03.6436.527.717.1
2023-02-05 17:008.060.53.7414.330.820.6
2023-02-05 16:0013.856.44.0412.428.021.8
2023-02-05 15:009.856.64.4439.225.418.7
2023-02-05 14:008.260.04.2410.527.520.4
2023-02-05 13:007.255.83.9418.926.618.8
2023-02-05 12:009.648.43.9479.729.020.3
2023-02-05 11:008.149.44.0484.430.621.6
2023-02-05 10:008.048.94.6459.033.822.2
2023-02-05 09:008.445.84.5474.734.320.7
2023-02-05 08:008.546.74.3468.031.717.5
2023-02-05 07:005.935.24.2442.227.915.8
2023-02-05 06:006.539.04.4461.933.318.8
2023-02-05 05:008.248.34.6444.139.123.0
2023-02-05 04:009.052.44.7457.941.926.8
2023-02-05 03:009.354.95.4462.045.530.8
2023-02-05 02:0011.157.65.4467.844.228.5
2023-02-05 01:0010.758.95.1464.948.231.0
2023-02-05 00:0014.659.35.2454.740.024.2
2023-02-04 23:0013.368.35.3422.733.617.8
2023-02-04 22:0011.572.05.5378.935.819.6
2023-02-04 21:009.180.04.4340.936.120.2
2023-02-04 20:006.985.23.8358.434.619.2
2023-02-04 19:008.485.14.4364.234.219.5
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: 18:07 05-02-2023