{"id":26909,"date":"2022-01-20T17:00:00","date_gmt":"2022-01-20T16:00:00","guid":{"rendered":"http:\/\/lyonbondyblog.fr\/LBB\/?p=26909"},"modified":"2022-01-20T17:04:31","modified_gmt":"2022-01-20T16:04:31","slug":"episode-de-pollution-aux-particules-fines-a-lyon-un-constat-et-apres","status":"publish","type":"post","link":"https:\/\/lyonbondyblog.fr\/LBB\/episode-de-pollution-aux-particules-fines-a-lyon-un-constat-et-apres\/","title":{"rendered":"\u00c9pisode de pollution \u00e0 Lyon : un constat, et apr\u00e8s ?"},"content":{"rendered":"\n<p><strong>Depuis une semaine, la qualit\u00e9 de l\u2019air est mauvaise \u00e0 Lyon. En effet, la m\u00e9tropole conna\u00eet un \u00e9pisode\u00a0de pollution aux particules fines, mais que cela signifie-t-il vraiment ? Les politiques mises en place pour lutter contre ce ph\u00e9nom\u00e8ne r\u00e9curent sont-elles suffisantes ?\u00a0<\/strong><\/p>\n\n\n\n<p>Le 14 octobre dernier,&nbsp;<a href=\"https:\/\/www.santepubliquefrance.fr\/determinants-de-sante\/pollution-et-sante\/air\/documents\/enquetes-etudes\/evaluation-quantitative-d-impact-sur-la-sante-eqis-de-la-pollution-de-l-air-ambiant-en-region-auvergne-rhone-alpes-2016-2018\">le dernier rapport de sant\u00e9 publique France<\/a>&nbsp;alertait sur la situation : \u00ab&nbsp;Dans la r\u00e9gion Auvergne-Rh\u00f4ne-Alpes, pr\u00e8s de 4 300 d\u00e9c\u00e8s par an sont attribuables \u00e0 l&rsquo;exposition \u00e0 long terme aux particules fines. \u00c0 quoi il faut ajouter 1 960 d\u00e9c\u00e8s li\u00e9s \u00e0 une exposition au dioxyde d&rsquo;azote (NO2).&nbsp;\u00bb Au total,&nbsp;l\u2019exposition de la population aux particules fines (PM2,5) et au NO2 serait responsable, respectivement de 6,7 % et 3,1 % de la mortalit\u00e9 annuelle dans la r\u00e9gion.&nbsp;<a href=\"https:\/\/france3-regions.francetvinfo.fr\/auvergne-rhone-alpes\/ce-qu-il-faut-retenir-du-rapport-sur-la-pollution-atmospherique-a-l-origine-de-4-300-deces-par-an-dans-la-region-2295661.html\">Et pour Lyon, la part annuelle des d\u00e9c\u00e8s attribuables aux particules fines d\u00e9passent les 10 %<\/a>.&nbsp;Des chiffres alarmants.<\/p>\n\n\n\n<p>Depuis une semaine, la m\u00e9tropole lyonnaise conna\u00eet un \u00e9pisode de pollution aux particules fines. Ces \u00e9pisodes interviennent lorsque la temp\u00e9rature chute brusquement dans la r\u00e9gion et que le vent, n\u00e9cessaire \u00e0 la dispersion des particules, n\u2019est plus pr\u00e9sent.&nbsp;<a href=\"https:\/\/www.atmo-auvergnerhonealpes.fr\/pollutions\/vigilance-pollution-du-14012022\">Selon Atmo Auvergne-Rh\u00f4ne-Alpes<\/a>, l\u2019observatoire agr\u00e9\u00e9 par <a href=\"https:\/\/www.ecologique-solidaire.gouv.fr\">le Minist\u00e8re&nbsp;de la Transition \u00e9cologique et solidaire<\/a> pour la surveillance et l\u2019information sur la qualit\u00e9 de l\u2019air dans la r\u00e9gion, de Lyon \u00e0 Caluire-et-Cuire en passant par Villeurbanne, la qualit\u00e9 de l\u2019air \u00e9tait qualifi\u00e9e de tr\u00e8s mauvaise le 14 janvier. Mais comment l\u2019expliquer ? \u00ab<em>&nbsp;Pas de pic sans \u00e9missions. Il y a diff\u00e9rents types d\u2019\u00e9missions et diff\u00e9rents types de polluants : l\u2019industrie, le trafic, l\u2019agriculture, et la pollution r\u00e9sidentielle.&nbsp;En hiver, le chauffage au bois avec chemin\u00e9e ouverte \u00e9met beaucoup de particules&nbsp;<\/em>\u00bb, ajoute Alexandre Thomasson, d\u2019Atmo. Toujours d\u2019apr\u00e8s le rapport de sant\u00e9 publique France, le chauffage individuel non-performant, et plus pr\u00e9cis\u00e9ment celui <a href=\"https:\/\/www.atmo-auvergnerhonealpes.fr\/article\/chauffage-au-bois-et-qualite-de-lair-0\">au&nbsp;bois, serait responsable de 67 % des \u00e9missions de particules fines.<\/a> L\u2019hiver est donc une saison propice aux \u00e9pisodes de pollution aux particules.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Des particules dangereuses&nbsp;<\/h2>\n\n\n\n<p>Les particules sont comme des poussi\u00e8res, lors des pics de pollution, on en retrouve un nombre anormal dans l\u2019air, <a href=\"https:\/\/www.ecologie.gouv.fr\/pic-pollution-particules\">+ de 50 \u00b5g\/m3<\/a>. Au-del\u00e0 de ce stade, on parle alors d&rsquo;\u00e9pisode de pollution. Si la dangerosit\u00e9 est reconnu, notamment pour les particules diesel, celle-ci est accentu\u00e9e par les \u00e9l\u00e9ments que les particules transportent. \u00ab&nbsp;<em>En surface, on peut retrouver plusieurs choses, dont des <\/em><a href=\"https:\/\/www.cancer-environnement.fr\/356-Particules-dans-lair.ce.aspx\">substances<\/a><em> canc\u00e9rig\u00e8nes, comme des hydrocarbures<\/em>&nbsp;\u00bb, explique l\u2019agent d\u2019Atmo, en charge d\u2019\u00e9valuer les actions \u00e0 long terme qui sont prises pour am\u00e9liorer la qualit\u00e9 de l\u2019air. Pour comprendre, il suffit d\u2019imaginer un chewing-gum sur un tapis, celui-ci va attraper toutes les salet\u00e9s environnantes. Les particules fines fonctionnent de la m\u00eame mani\u00e8re. Ainsi, la population respire des substances dangereuses qui peuvent avoir des cons\u00e9quences importantes sur sa sant\u00e9. <\/p>\n\n\n\n<p>Pour endiguer ce ph\u00e9nom\u00e8ne, et limiter ces \u00e9pisodes, <a href=\"https:\/\/www.rhone.gouv.fr\/Actualites\/FIN-Episode-de-pollution-de-l-air-a-l-Ozone-dans-le-bassin-lyonnais-Nord-Isere\">Atmo travaille en \u00e9troite collaboration avec la pr\u00e9fecture<\/a>. \u00ab&nbsp;<em>Notre r\u00f4le est de calculer et de mod\u00e9liser. On peut pr\u00e9voir la qualit\u00e9 de l\u2019air \u00e0 J+1 ou J+2, gr\u00e2ce \u00e0 \u00e7a, on \u00e9met un indice, et une vigilance, une fiche d\u2019aide \u00e0 la pr\u00e9cision pour la pr\u00e9fecture. En fonction, la pr\u00e9fecture m\u00e8ne des actions&nbsp;<\/em>\u00bb, commente Alexandre Thomasson.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Circulation diff\u00e9renci\u00e9e, ticket journ\u00e9e \u00e0 3 euros\u2026<\/strong><\/h2>\n\n\n\n<p>Du 15 au 17 janvier, la pr\u00e9fecture du Rh\u00f4ne a donc mis en place la circulation diff\u00e9renci\u00e9e. Seuls les v\u00e9hicules ayant une vignette Crit&rsquo;Air 0, 1, 2 ou 3&nbsp;\u00e9taient autoris\u00e9s \u00e0 circuler&nbsp;en centre-ville \u00e0 Lyon et Villeurbanne. <\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"fr\" dir=\"ltr\">La qualit\u00e9 de l\u2019air se d\u00e9grade dans le <a href=\"https:\/\/twitter.com\/hashtag\/Rh%C3%B4ne?src=hash&amp;ref_src=twsrc%5Etfw\">#Rh\u00f4ne<\/a>. La circulation diff\u00e9renci\u00e9e est mise en place dans les communes de <a href=\"https:\/\/twitter.com\/hashtag\/Lyon?src=hash&amp;ref_src=twsrc%5Etfw\">#Lyon<\/a>, <a href=\"https:\/\/twitter.com\/hashtag\/Villeurbanne?src=hash&amp;ref_src=twsrc%5Etfw\">#Villeurbanne<\/a> et <a href=\"https:\/\/twitter.com\/hashtag\/Caluire?src=hash&amp;ref_src=twsrc%5Etfw\">#Caluire<\/a> \u00e0 partir du samedi 15 janvier \u00e0 05h00. Seuls les v\u00e9hicules \u00e9quip\u00e9s d&#39;une vignette Crit&#39;Air 0, 1, 2 ou 3 sont autoris\u00e9s \u00e0 circuler. <a href=\"https:\/\/t.co\/9NTDqtvxSt\">pic.twitter.com\/9NTDqtvxSt<\/a><\/p>&mdash; Pr\u00e9fet de r\u00e9gion Auvergne-Rh\u00f4ne-Alpes et du Rh\u00f4ne (@prefetrhone) <a href=\"https:\/\/twitter.com\/prefetrhone\/status\/1481996614797598720?ref_src=twsrc%5Etfw\">January 14, 2022<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<p>La pr\u00e9fecture milite aussi pour une r\u00e9novation \u00e9nerg\u00e9tique des logements et a mis en place plusieurs mesures d\u2019abaissement temporaire de la vitesse sur les axes routiers du d\u00e9partement. Et pour l\u2019agglom\u00e9ration,&nbsp;<a href=\"https:\/\/www.lyoncapitale.fr\/actualite\/pic-de-pollution-a-lyon-un-ticket-tcl-a-3-euros-pour-se-deplacer-toute-la-journee-samedi\">un \u00ab&nbsp;Tick\u2019Air&nbsp;\u00bb des TCL \u00e0 3 euros<\/a>&nbsp;permettait de se d\u00e9placer toute la journ\u00e9e samedi. L\u2019objectif : diminuer les \u00e9missions.&nbsp;\u00ab&nbsp;<em>Il y a un impact important du c\u00f4t\u00e9 industriel qui est un gros pourvoyeur de particules fines mais le seul levier est le particulier et sa voiture. Donc on lutte contre le trafic auto mais on ne met pas grand chose en place pour la p\u00e9riph\u00e9rie. Il y a la volont\u00e9 de faire, mais il manque une vision globale<\/em>&nbsp;\u00bb, raconte Gilles Renevier, pr\u00e9sident de <a href=\"https:\/\/www.fracture-web.net\">Fracture<\/a>, f\u00e9d\u00e9ration r\u00e9gionale des associations de l\u2019Est Lyonnais contre le train en zone urbaine et pour le respect de l\u2019environnement.&nbsp;<a href=\"https:\/\/www.lyoncapitale.fr\/actualite\/mauvaise-depuis-une-semaine-la-qualite-de-l-air-va-enfin-un-peu-s-ameliorer-a-lyon\">Ce jeudi, la qualit\u00e9 de l\u2019air tend \u00e0 s\u2019am\u00e9liorer<\/a>, mais comme le pr\u00e9vient le pr\u00e9sident de Fracture, \u00ab&nbsp;<em>les pics de pollution sont fr\u00e9quents<\/em>&nbsp;\u00bb. Cet hiver, c\u2019est d\u00e9j\u00e0 le deuxi\u00e8me \u00e9pisode de pollution aux particules fines \u00e0 Lyon et dans le Nord Is\u00e8re.<\/p>\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>Depuis une semaine, la qualit\u00e9 de l\u2019air est mauvaise \u00e0 Lyon. En effet, la m\u00e9tropole conna\u00eet un \u00e9pisode\u00a0de pollution aux particules fines, mais que cela &hellip; <!-- AddThis Advanced Settings generic via filter on wp_trim_excerpt --><!-- AddThis Share Buttons generic via filter on wp_trim_excerpt --><\/p>\n","protected":false},"author":31863,"featured_media":26910,"comment_status":"open","ping_status":"open","sticky":true,"template":"","format":"standard","meta":{"_FSMCFIC_featured_image_caption":"","_FSMCFIC_featured_image_nocaption":"","_FSMCFIC_featured_image_hide":"","footnotes":""},"categories":[4,3889],"tags":[22432,1876,10,1327,834],"class_list":["post-26909","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lyon","category-sante","tag-auvergne-rhone-alpes","tag-environnement","tag-lyon-2","tag-pollution","tag-sante"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u00c9pisode de pollution \u00e0 Lyon : un constat, et apr\u00e8s ? - Lyon Bondy Blog<\/title>\n<meta name=\"description\" content=\"Depuis une semaine, la m\u00e9tropole conna\u00eet un \u00e9pisode\u00a0de pollution aux particules fines, mais que cela signifie-t-il vraiment ? 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