{"id":25806,"date":"2026-02-22T12:00:00","date_gmt":"2026-02-22T12:00:00","guid":{"rendered":"https:\/\/www.africa-press.net\/guinee-equatoriale\/politique\/leclairage-urbain-a-un-effet-etonnant-sur-vos-allergies"},"modified":"2026-02-22T18:03:09","modified_gmt":"2026-02-22T18:03:09","slug":"leclairage-urbain-a-un-effet-etonnant-sur-vos-allergies","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/guinee-equatoriale\/toutes-les-actualites\/leclairage-urbain-a-un-effet-etonnant-sur-vos-allergies","title":{"rendered":"L\u2019\u00e9clairage Urbain a un Effet \u00c9tonnant sur Vos Allergies"},"content":{"rendered":"

Africa-Press – Guinee Equatoriale. <\/strong><\/span>L\u2019augmentation de l\u2019e\u0301clairage nocturne s\u2019accompagne d\u2019un allongement de la saison des pollens atmosphe\u0301riques dans le nord-est des E\u0301tats-Unis, re\u0301ve\u0300le une e\u0301tude ame\u0301ricaine publie\u0301e dans la revue PNAS Nexus. En croisant les releve\u0301s de pollen issus de stations au sol avec des images satellitaires nocturnes dans l\u2019infrarouge, les chercheurs montrent que la saison pollinique peut de\u0301buter jusqu\u2019a\u0300 vingt jours plus to\u0302t dans les zones fortement e\u0301claire\u0301es et se terminer plusieurs semaines plus tard par rapport aux secteurs moins expose\u0301s a\u0300 la lumie\u0300re artificielle. Cet effet est renforce\u0301, inde\u0301pendamment, par une hausse des tempe\u0301ratures, mais peu influence\u0301 par les pre\u0301cipitations. De plus, la proportion de jours pre\u0301sentant de fortes concentrations de pollen est nettement plus e\u0301leve\u0301e dans les zones les plus illumine\u0301es.<\/p>\n

Aggravation des rhinites et asthme allergiques<\/b><\/p>\n

Cette expe\u0301rience a\u0300 grande e\u0301chelle souligne le ro\u0302le de\u0301terminant de la lumie\u0300re dans les cycles de de\u0301veloppement des plantes et leur floraison. Les auteurs alertent ainsi sur les conse\u0301quences sanitaires d\u2019un e\u0301clairage excessif: les concentrations de pollen dans l\u2019air sont directement corre\u0301le\u0301es a\u0300 la gravite\u0301 des rhinites et des crises d\u2019asthme allergique. Ils rappellent e\u0301galement que le choix des essences plante\u0301es en ville, ou\u0300 la densite\u0301 de population est e\u0301leve\u0301e, devrait tenir compte de leur sensibilite\u0301 a\u0300 la photope\u0301riode.<\/p>\n

En France, le climat annule les efforts sur l\u2019e\u0301clairage<\/b><\/p>\n

Si cette e\u0301tude a e\u0301te\u0301 mene\u0301e outre-Atlantique, la question se pose aussi en Europe. Mais en France, l\u2019e\u0301clairage nocturne des communes n\u2019a justement pas cesse\u0301 de baisser depuis deux de\u0301cennies pour des raisons a\u0300 la fois e\u0301conomiques et e\u0301cologiques. Pourtant, les quantite\u0301s de pollen dans l\u2019air continuent d\u2019augmenter chaque anne\u0301e. \u00ab Dans ce cas, c\u2019est le re\u0301chauffement climatique qui est responsable avec des saisons polliniques de plus en plus pre\u0301coces, ce qui se traduit aussi par une augmentation re\u0301gulie\u0300re des quantite\u0301s de pollen dans l\u2019air depuis deux de\u0301cennies \u00bb, te\u0301moigne Gilles Oliver spe\u0301cialiste a\u0300 l\u2019Atmo, l\u2019organisme qui a pris la rele\u0300ve l\u2019an passe\u0301 de l\u2019ex Re\u0301seau national de surveillance ae\u0301rologique (RNSA) charge\u0301 de la surveillance des pollens et des spores de moisissures atmosphe\u0301riques.<\/p>\n

Pour plus d’informations et d’analyses sur la Guinee Equatoriale<\/span>, suivez Africa-Press<\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Africa-Press – Guinee Equatoriale. L\u2019augmentation de l\u2019e\u0301clairage nocturne s\u2019accompagne d\u2019un allongement de la saison des pollens atmosphe\u0301riques dans le nord-est des E\u0301tats-Unis, re\u0301ve\u0300le une e\u0301tude ame\u0301ricaine publie\u0301e dans la revue PNAS Nexus. En croisant les releve\u0301s de pollen issus de stations au sol avec des images satellitaires nocturnes dans l\u2019infrarouge, les chercheurs montrent que la […]<\/p>\n","protected":false},"author":82,"featured_media":25805,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[50],"class_list":["post-25806","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-guinee-equatoriale"],"yoast_head":"\nL\u2019\u00e9clairage Urbain a un Effet \u00c9tonnant sur Vos Allergies - Guin\u00e9e \u00e9quatoriale<\/title>\n<meta name=\"description\" content=\"L\u2019augmentation de l\u2019e\u0301clairage nocturne s\u2019accompagne d\u2019un allongement de la saison des pollens atmosphe\u0301riques dans le n ...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.africa-press.net\/guinee-equatoriale\/toutes-les-actualites\/leclairage-urbain-a-un-effet-etonnant-sur-vos-allergies\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"L\u2019\u00e9clairage Urbain a un Effet \u00c9tonnant sur Vos Allergies\" \/>\n<meta property=\"og:description\" content=\"L\u2019augmentation de l\u2019e\u0301clairage nocturne s\u2019accompagne d\u2019un allongement de la saison des pollens atmosphe\u0301riques dans le n ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/guinee-equatoriale\/toutes-les-actualites\/leclairage-urbain-a-un-effet-etonnant-sur-vos-allergies\" \/>\n<meta property=\"og:site_name\" content=\"Guin\u00e9e \u00e9quatoriale\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-22T12:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-22T18:03:09+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/static.africa-press.net\/guinee-equatoriale\/sites\/53\/2026\/02\/sm_1771811672.510194.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"720\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"cfeditorfr\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"cfeditorfr\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.africa-press.net\/guinee-equatoriale\/toutes-les-actualites\/leclairage-urbain-a-un-effet-etonnant-sur-vos-allergies#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/guinee-equatoriale\/toutes-les-actualites\/leclairage-urbain-a-un-effet-etonnant-sur-vos-allergies\"},\"author\":{\"name\":\"cfeditorfr\",\"@id\":\"https:\/\/www.africa-press.net\/guinee-equatoriale\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"headline\":\"L\u2019\u00e9clairage Urbain a un Effet \u00c9tonnant sur Vos Allergies\",\"datePublished\":\"2026-02-22T12:00:00+00:00\",\"dateModified\":\"2026-02-22T18:03:09+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/guinee-equatoriale\/toutes-les-actualites\/leclairage-urbain-a-un-effet-etonnant-sur-vos-allergies\"},\"wordCount\":441,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/guinee-equatoriale\/toutes-les-actualites\/leclairage-urbain-a-un-effet-etonnant-sur-vos-allergies#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/guinee-equatoriale\/sites\/53\/2026\/02\/sm_1771811672.510194.jpg\",\"keywords\":[\"Guinee Equatoriale\"],\"articleSection\":[\"Divers\",\"Toutes les actualit\u00e9s\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/guinee-equatoriale\/toutes-les-actualites\/leclairage-urbain-a-un-effet-etonnant-sur-vos-allergies#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/guinee-equatoriale\/toutes-les-actualites\/leclairage-urbain-a-un-effet-etonnant-sur-vos-allergies\",\"url\":\"https:\/\/www.africa-press.net\/guinee-equatoriale\/toutes-les-actualites\/leclairage-urbain-a-un-effet-etonnant-sur-vos-allergies\",\"name\":\"L\u2019\u00e9clairage Urbain a un Effet \u00c9tonnant sur Vos Allergies - 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