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Ambrosia begins to bloom … It will soon be too late to pull it off.
Given the weather conditions that have prevailed since the beginning of the year, the RNSA (National Aerobiological Monitoring Network) gives the date of August 1 for the first pollen emission peak of ragweed. mugwort likely to cause, in Nord-Isère, a significant allergic risk.
Two years after the adoption of the Health Act and on the eve of the ambrosia season, the struggle is intensifying. In the municipalities, ambrosial referents and farmers are mobilized.
At a press briefing on the initiative of the parliamentary committee for ambrosia risk and other invasive species, an inventory was drawn up. According to ATMO, in 2017, in Auvergne Rhône Alpes, 6.7 million people (86%) were exposed for more than 20 days to a quantity of pollen sufficient to generate symptoms in people sensitive to ragweed. 2.5 million (30%) people were exposed for more than 40 days. Nord-Isère is particularly impacted with an allergic risk of exposure to ragweed pollen (RAEP) ranging from 40 to 60 days in the year.
In 2017, sensors based in Roussillon confirm, despite the fight policies initiated, that this sector remains the most concerned of our department. The pollen index is 5087, the highest in France, with 60 days of allergic risk
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