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Date TimeNO2O3SO2COPM10PM2.5
2022-12-09 18:0014.679.66.3348.928.516.1
2022-12-09 17:0011.086.66.0311.325.813.7
2022-12-09 16:009.886.35.4308.624.811.5
2022-12-09 15:009.684.46.0316.726.713.8
2022-12-09 14:009.685.76.0309.330.818.0
2022-12-09 13:0013.178.16.2327.326.716.0
2022-12-09 12:0018.457.16.2397.725.415.9
2022-12-09 11:0011.744.55.9399.528.120.3
2022-12-09 10:0011.733.86.3400.424.117.9
2022-12-09 09:0011.129.56.3426.524.020.7
2022-12-09 08:009.432.36.2379.521.318.2
2022-12-09 07:0012.933.05.7374.320.717.4
2022-12-09 06:0012.538.05.2331.920.016.3
2022-12-09 05:0012.039.55.3325.821.517.3
2022-12-09 04:0017.833.75.5337.124.018.1
2022-12-09 03:0014.940.95.3356.030.722.1
2022-12-09 02:0021.942.05.6394.137.325.4
2022-12-09 01:0022.447.15.8400.234.624.4
2022-12-09 00:0024.150.96.1389.535.222.8
2022-12-08 23:0029.149.76.3386.536.222.3
2022-12-08 22:0024.055.25.7391.933.420.1
2022-12-08 21:0018.554.14.0366.925.221.2
2022-12-08 20:0011.261.84.2362.524.619.7
2022-12-08 19:009.385.14.4338.128.117.7
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 09-12-2022