Experts have warned allergy sufferers to prepare for a “difficult” few weeks amid a sharp rise in grass pollen from this weekend.
“The return this week of sunny and warmer weather will lead to the emission of high concentrations of grass pollen into the air,” the National Aerobiological Surveillance Network [Réseau national de surveillance aérobiologique - RNSA] said in a statement.
Heavy rains in April and at the start of May had caused the growth of grasses that would give off the pollen now the weather was warmer, it said.
Le retour d'un temps chaud et ensoleillé pour cette fin de semaine favorisera l'émission des pollens de graminées dans l'air. Plus d'infos ici avec ces cartes de prévisions à 5 jours des concentrations de pollens de graminées sur la France entièrehttps://t.co/ZKwESsXdO2#pollenspic.twitter.com/i74DRHu1Pf
— Réseau National de Surveillance Aérobiologique (@rnsa_pollen) May 7, 2024
It warned those with allergies were advised to take the treatment recommended by their doctors and “prepare for a difficult few weeks”.
The RNSA the allergy risk, already at the “average” or “yellow” level, would rise to “high” or “red alert” in the coming days.
Pollen will rise from Thursday, initially in the south and west of the country before spreading throughout the whole of France.
Pollen will remain high until August, with its effects only minimised by rainfall.
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The RNSA will provide regular updates on pollen in France at the website https://pollens.fr/
