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Forecast Air Trajectory

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Forecast trajectory of air which reach
Hong Kong at 20:00HKT 12 December 2018 (Wednesday)

Date and time Position of air mass
20:00HKT 12 December 2018 22.3 N 114.2 E
20:00HKT 11 December 2018 27.4 N 116.2 E
20:00HKT 10 December 2018 30.7 N 113.9 E
20:00HKT 09 December 2018 26.0 N 106.9 E


This webpage shows the 72-hour trajectory of the forecast movement of the air reaching Hong Kong at a height of 100 metres above ground level ending at 8 a.m. or 8 p.m. of the next 2 to 3 days.

The product may be useful for tracing the origin of air reaching Hong Kong.


Points to note:

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Last updated on 30 November 2012