{"id":45668,"date":"2026-10-10T09:41:00","date_gmt":"2026-10-10T07:41:00","guid":{"rendered":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/?p=45668"},"modified":"2026-10-14T16:59:15","modified_gmt":"2026-10-14T14:59:15","slug":"en-2050-lair-alpin-sera-plus-expose-a-la-pollution-dozone","status":"publish","type":"post","link":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/2026\/10\/10\/en-2050-lair-alpin-sera-plus-expose-a-la-pollution-dozone\/","title":{"rendered":"En 2050, l\u2019air alpin sera plus expos\u00e9 \u00e0 la pollution d\u2019ozone"},"content":{"rendered":"<div class=\"paragraph\">\n<p>D<i>ans les Alpes du Sud, nous avons actuellement une des meilleures qualit\u00e9s de l\u2019air d\u2019Europe<\/i>, introduit Alexandre Armengaud, responsable du programme d\u2019Atmo Sud ALP\u2019AERA, consacr\u00e9 \u00e0 l\u2019impact du changement climatique sur la qualit\u00e9 de l\u2019air dans les vall\u00e9es alpines. <i>Il faut donc faire en sorte de la pr\u00e9server !<\/i><i>\u00a0<\/i>\u00bb Au terme de trois ann\u00e9es de coop\u00e9ration transfrontali\u00e8re, le programme a pr\u00e9sent\u00e9 cette semaine ses principaux r\u00e9sultats.<\/p>\n<\/p><\/div>\n<div class=\"intext\"> En 2050, la qualit\u00e9 de l\u2019air l\u00e9g\u00e8rement d\u00e9grad\u00e9e\n              <\/div>\n<div class=\"paragraph\">\n<p>Mais pour comprendre l\u2019\u00e9volution de la qualit\u00e9 de l\u2019air, d\u00e9j\u00e0 faut-il conna\u00eetre les changements climatiques \u00e0 venir. \u00ab\u00a0<i>Le r\u00e9chauffement climatique est plus marqu\u00e9 en montagne<\/i>, explique Thomas Ouden, pr\u00e9visionniste \u00e0 M\u00e9t\u00e9o France. <i>Dans les Alpes, on est actuellement \u00e0 +2,2<\/i><i>\u00a0<\/i><i>degr\u00e9s par rapport \u00e0 l\u2019\u00e8re industrielle, contre 1,7 degr\u00e9 au niveau national.<\/i><i>\u00a0<\/i>\u00bb Dans les prochaines ann\u00e9es, en plus des canicules et s\u00e9cheresses qui se multiplieront, les Alpes du Sud devront faire face \u00e0 une neige qui fond de plus en plus t\u00f4t au printemps.<\/p>\n<p>\u00ab\u00a0<i>Cela a un impact sur l\u2019air que nous respirerons<\/i>, affirme Sonia Oppo d\u2019Atmo Sud. <i>Car une augmentation de la chaleur et de l\u2019ensoleillement favorisent la formation d\u2019ozone<\/i>.\u00a0\u00bb Il s\u2019agit d\u2019un polluant secondaire, issu de la transformation sous l\u2019effet de soleil d\u2019autres polluants. Alors que dans le reste de la r\u00e9gion Sud, la pollution d\u2019ozone baissera en 2050, elle augmentera l\u00e9g\u00e8rement dans les Alpes du Sud, d\u00e9gradant la qualit\u00e9 de l\u2019air. En ce qui concerne la pollution aux particules fines et au dioxyde d\u2019azote, issue par exemple du chauffage au bois ou du trafic routier, elle devrait s\u2019am\u00e9liorer partout gr\u00e2ce aux am\u00e9liorations technologiques.<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"Dans les Alpes du Sud, nous avons actuellement une des meilleures qualit&eacute;s de l&rsquo;air d&rsquo;Europe, introduit Alexandre Armengaud, responsable du programme d&rsquo;Atmo Sud ALP&rsquo;AERA, consacr&eacute; &agrave; l&rsquo;impact du &#8230;","protected":false},"author":1,"featured_media":45669,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3926,3925,333],"tags":[],"news-destination":[3944],"news-source":[475],"is_homepage":[],"ta_other":[],"class_list":["post-45668","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-accueil-merge","category-accueil-third","category-environnement","news-destination-homepage","news-source-website"],"_links":{"self":[{"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/posts\/45668","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/comments?post=45668"}],"version-history":[{"count":1,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/posts\/45668\/revisions"}],"predecessor-version":[{"id":45670,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/posts\/45668\/revisions\/45670"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/media\/45669"}],"wp:attachment":[{"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/media?parent=45668"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/categories?post=45668"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/tags?post=45668"},{"taxonomy":"news-destination","embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/news-destination?post=45668"},{"taxonomy":"news-source","embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/news-source?post=45668"},{"taxonomy":"is_homepage","embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/is_homepage?post=45668"},{"taxonomy":"ta_other","embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/ta_other?post=45668"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}