“A major episode of sand mist will be observed all this week” announced Météo France Antilles Guyane on Monday June 17. As can be seen on the satellite photo, this episode concerns the whole of the West Indies, including Saint-Martin.
“A worsening is expected on Thursday with a higher concentration of particles in the atmosphere. The air will therefore be very dry and very foggy and will greatly limit the frequency of any showers,” continued Météo France.
Gwad'air, an approved air quality monitoring association in Guadeloupe, triggered the Orange level for the entire archipelago on Monday and Tuesday in agreement with the prefecture of Guadeloupe. “The levels of fine particles are high and today exceed the information and recommendation threshold set at 50 micrograms per cubic meter, for the protection of human health,” she indicated on Monday June 17.
On the other hand, the readings carried out Monday in Saint-Martin by the mobile station of Gwad'air show lower rates than those of Guadeloupe. The fine particle concentration does not exceed the recommendation threshold and the Orange level is therefore not triggered.
For the moment Saint-Martin is therefore concerned by this episode of sand mist, but less than the archipelago of Guadeloupe. It remains to watch how the rates evolve during the week.
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