Air pollution: Orange level expected today in Saint-Martin


The passage of air masses loaded with fine particles continues over our region. This pollution is mainly linked to the passage of sand mists.

The increase in the levels of fine particles PM10 in the atmosphere is gradual. Gwad'Air forecasts for today, the exceeding of the information and recommendation threshold of 50 micrograms per cubic meter over 24 hours relating to fine particles PM10. In accordance with the prefectural decree relating to information-recommendation and public alert procedures in the event of an episode of environmental pollution in Saint-Martin, the orange level is recommended for the entire territory.


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