The France (almost) all in red. The National Aerobiological Surveillance Network (RNSA) has extended its pollen alert to 90 departments, according to a statement released Friday. "The risk of allergy for grasses will remain at a high level throughout the France, except in Brittany where it will be of medium level, says the RNS. It will remain high for several more weeks. »
According to the latest bulletin, only Orne, Sarthe, Mayenne, Ille-et-Vilaine, Morbihan and Finistère are at "medium" risk in metropolitan France, the others being at "high" risk.
Allergo-pollen bulletin of May
26 The France in the red for Pentecost!
The beautiful weather conditions announced with mild and spring weather north of the Loire and summer in the south will favor the emission and dispersion of grass pollen in the air. pic.twitter.com/2SJFyzsMme
— National Aerobiological Surveillance Network (@rnsa_pollen) May 26, 2023
"For this Whitsun weekend, the beautiful weather conditions announced with mild and spring weather north of the Loire and esteemed south will favor the emission and dispersion of grass pollen in the air," justifies the national aerobiological monitoring network in a statement. And to specify: "Only the rare stormy rain showers will be able to lower, locally and temporarily, pollen concentrations and the risk of allergies. "
"The risk of allergy will not exceed the low to locally average level for the last oak pollens," says the RNSA. The risk of allergy will be low for pollens of plantain, sorrel and nettles (urticaceae). Around the Mediterranean, in addition to grasses, we will find pollens of parietaria (urticaceae) and olive trees with a risk of allergy of medium to high level.
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In an update published on Monday, the RNSA indicated that "significant concentrations of grass pollen are rampant over the Paris region". "Even today, there was a peak at the very beginning of the day and concentrations will remain high at least until mid-afternoon," says the RNSA.