- This web page will be updated daily at around 10 a.m. and 10 p.m.
- The data displayed is provisional as there is only limited quality check.
- Although the map can be scaled to show any part of the world, sand or dust observations will only be displayed within the area bounded by 10-40N and 92-145E. Please bear in mind that due to location uncertainty, the actual location of observation may be some distance away from the displayed position.
- The background geographical information in this page comes from OpenStreetMap. The use of OpenStreetMap is to aid users in appreciating the geographical location of different weather information. This does not imply that information on the map is endorsed by the Hong Kong Observatory. The use of OpenStreetMap is subject to its License Terms.
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