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Mong Kok
Date TimeNO2O3SO2COPM10PM2.5
2024-04-19 17:0073.511.64.1491.924.016.0
2024-04-19 16:0075.810.24.8519.824.415.4
2024-04-19 15:0071.814.03.9438.218.710.6
2024-04-19 14:0067.612.53.8425.826.219.2
2024-04-19 13:0064.516.23.6427.927.719.4
2024-04-19 12:0066.812.53.9494.929.719.6
2024-04-19 11:0063.411.63.5485.834.824.9
2024-04-19 10:0061.212.43.1453.926.418.8
2024-04-19 09:0059.611.62.9392.619.614.9
2024-04-19 08:0048.613.12.8339.418.414.2
2024-04-19 07:0045.410.92.4392.912.79.4
2024-04-19 06:0033.720.91.8382.214.911.7
2024-04-19 05:0032.818.41.7431.514.010.9
2024-04-19 04:0029.718.81.9390.013.810.4
2024-04-19 03:00-16.0--15.611.7
2024-04-19 02:0040.718.72.1411.016.311.0
2024-04-19 01:0061.718.72.6490.417.712.1
2024-04-19 00:0062.828.62.5431.716.811.0
2024-04-18 23:0069.332.82.8437.018.011.5
2024-04-18 22:0082.726.63.6438.222.915.6
2024-04-18 21:00110.515.04.5662.326.018.9
2024-04-18 20:00141.66.79.0712.117.312.5
2024-04-18 19:00137.815.56.0598.022.915.5
2024-04-18 18:00140.19.18.3584.524.315.1
Remarks:

(1) Time shown is in Hong Kong time.

(2) Concentration shown is in microgram per cubic metre (µg/m3).

(3) Abbreviation:
NO2 - nitrogen dioxide, O3 - ozone,
SO2 - sulphur dioxide, CO - carbon monoxide,
PM10 - respirable suspended particulates,
PM2.5 - fine suspended particulates

(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: 17:07 19-04-2024