This Friday, August 27, 2021, the concentration of fine particles PM10 in the air should exceed 50 μg / m3 on average over 24 hours, a value corresponding to the information and recommendation threshold. Faced with this forecast, the information and recommendation procedure is planned in accordance with the prefectural decree relating to the management of pollution episodes in the ambient air for tomorrow.
• CONCERNED AREAS:
Saint-Martin
• NATURE OF THE POLLUTANT AND SOURCES:
The procedure concerns fine particles less than 10 micrometers in diameter (PM10). This pollution is mainly linked to the passage of sand mists over the Guadeloupe archipelago, but also to human activity (combustion of fossil fuels, means of transport, industrial activities, etc.).
• THRESHOLD REACHED:
The information and recommendation threshold corresponds to a level of the pollutant in the atmosphere beyond which a short-term exposure presents a risk to the health of particularly sensitive groups within the population and which necessitates the emission of 'immediate and adequate information for these groups and recommendations for reducing certain emissions.
• FORECASTS :
The risk of exceeding is high for the next 24 hours.
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