Par Manon Reinhardt
Published on June 28, 23 at 6:00 pm See my news Follow Actu Nice This Wednesday, the weather is “milky” on the Côte d’Azur. We explain why. (©Manon Reinhardt / News Nice)
Experts had announced it at the start of the week: the smoke from the mega-fires raging in Canada is gradually arriving in Europe.
Many cities in France found themselves under a plume of smoke, resembling thick, milky mist. This is also what we saw this Wednesday, June 28, 2023 in Nice (Alpes-Maritimes).
Clouds clearly visible Tuesday evening
Yesterday evening, thick clouds stormed the Riviera sky. “It was indeed due to the fumes”, confirm the services of Météo France.
A milky veil resembling smoke was present in the Nice sky this Tuesday, June 27, 2023. (© Manon Reinhardt / Actu Nice)
Indeed, “the smoke from the Canadian fires arrived today in a good part of the country, including the Southeast. They spawned a veil of altitude with slightly yellow tints visible both from the ground and from the satellites”, can we read in a tweet published by the regional antenna last night.
The meteorologists point out that “finer particles were projected and remained in suspension at very high altitude. They were transported to several thousand kilometers by atmospheric circulation. This explains how they were able to expatriate to the south of France.
If the European Copernicus Atmosphere Service (CAMS) assures that the fumes have moved, “many uncertainties remain in terms of concentration, exact altitude of flight of the particles but also their ability to modify the color of the sky”.
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No alert at this stage
“This loss of visibility reflects the presence of solid matter in the atmosphere”, explains Dominique Robin, Managing Director ofAtmosud. “It seems quite probable, it is unusual enough and Météo France has documented it very well. »
Indeed, the particles are estimated at an altitude between 2 and 8 kilometers, depending on the area. But this expert wishes to reassure: for the time being, no toxicity has been detected in the air.
Even if the stations installed in the Var and Vaucluse note a certain increase in the concentration of fine particles. “We go from 5 micrograms to 13, knowing that the wrong threshold is 25.”
Yes, there are transfers from Canada, but when it reaches the French coast, it’s relatively diluted. We may have a noticeable increase, however, at this stage, there is no risk. In any case, the measurements do not reach values that require a health alert.
Dominique RobinCEO of Atmosud
A change in weather over the next few days
Rain should arrive on the Côte d’Azur by tomorrow, with an easterly wind, which could lead to a “different visibility” for these experts. “It is not impossible that we find particles in droplets, for example. »
Still, this plume of smoke adds to the pollution already present in the region. “But there is nothing to be alarmist about”insists Dominique Robin.
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2023-06-29 04:01:16
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