{"id":5090,"date":"2026-01-15T21:51:33","date_gmt":"2026-01-15T21:51:33","guid":{"rendered":"https:\/\/infos-media-nantes.fr\/?p=5090"},"modified":"2026-01-15T21:51:33","modified_gmt":"2026-01-15T21:51:33","slug":"paqa-bassin-nazairien-qualite-air-debat-maires-associations","status":"publish","type":"post","link":"https:\/\/infos-media-nantes.fr\/paqa-bassin-nazairien-qualite-air-debat-maires-associations\/","title":{"rendered":"PAQA 2025-2030 : vives tensions entre maires et associations autour de la qualit\u00e9 de l\u2019air dans le bassin nazairien"},"content":{"rendered":"\n<article id=\"imn-paqa-nazairien-debat-maires-associations-2025-2030\" style=\"font-family:Inter,Arial,sans-serif;color:#222;line-height:1.65;max-width:1100px;margin:auto;padding:24px;background:#fff;\">\n\n\n<section>\n\n  <p>\n    Le <strong>Plan d\u2019Action Qualit\u00e9 de l\u2019Air (PAQA) 2025-2030<\/strong> pr\u00e9voit <strong>22 actions<\/strong> destin\u00e9es \u00e0 am\u00e9liorer\n    la qualit\u00e9 de l\u2019atmosph\u00e8re dans le bassin industriel nazairien. Le sujet a donn\u00e9 lieu \u00e0 un d\u00e9bat long et parfois\n    tendu lors du <strong>conseil communautaire du 16 d\u00e9cembre 2025<\/strong>, au cours duquel les maires de\n    <strong>Pornichet, Donges et Saint-Nazaire<\/strong> ont exprim\u00e9 publiquement leurs positions.\n  <\/p>\n\n  <p>\n    Lors de ce conseil, l\u2019\u00e9lu \u00e9cologiste <strong>Fran\u00e7ois Billet<\/strong> a demand\u00e9 que des <strong>financements sp\u00e9cifiques<\/strong>\n    soient mobilis\u00e9s afin de mettre en \u0153uvre des <strong>mesures compl\u00e9mentaires<\/strong> permettant d\u2019\u00e9valuer l\u2019impact\n    de certains polluants industriels sur les populations riveraines. Il a \u00e9galement interrog\u00e9 la collectivit\u00e9 sur\n    <strong>l\u2019abandon du projet de mesures des particules ultrafines (PUF)<\/strong>, qui devait \u00eatre conduit avec\n    <strong>Air Pays de la Loire<\/strong>.\n  <\/p>\n\n  <h2>Des questions rest\u00e9es sans r\u00e9ponse, selon les associations<\/h2>\n\n  <p>\n    Selon l\u2019<strong>AEDZRP<\/strong> (Association Environnementale Dongeoise des Zones \u00e0 Risques et du PPRT), plut\u00f4t que de r\u00e9pondre\n    pr\u00e9cis\u00e9ment aux interrogations formul\u00e9es sur ces dispositifs de surveillance, les trois maires ont choisi de\n    <strong>mettre en cause publiquement plusieurs associations locales<\/strong>.\n  <\/p>\n\n  <p>\n    Sont cit\u00e9es dans ces critiques l\u2019<strong>AEDZRP<\/strong>, les <strong>Habitants du village de Gron<\/strong>, la\n    <strong>Ligue des droits de l\u2019homme (LDH)<\/strong> et l\u2019association <strong>Vivre \u00e0 M\u00e9an-Penh\u00f6et (VAMP)<\/strong>.\n    Ces organisations estiment que les propos tenus lors du conseil communautaire rel\u00e8vent d\u2019une remise en cause globale\n    de leur travail et de leurs alertes.\n  <\/p>\n\n  <h2>Un courrier commun adress\u00e9 aux maires<\/h2>\n\n  <p>\n    En r\u00e9ponse, ces associations ont adress\u00e9 un <strong>courrier dat\u00e9 du 9 janvier 2026<\/strong> aux \u00e9lus concern\u00e9s.\n    Elles y regrettent de n\u2019avoir <strong>jamais \u00e9t\u00e9 re\u00e7ues pour un \u00e9change direct<\/strong>, contrairement \u00e0 ce qui a\n    pu \u00eatre fait avec les maires de <strong>Montoir-de-Bretagne<\/strong> et de <strong>Trignac<\/strong>.\n  <\/p>\n\n  <p>\n    Dans ce courrier, elles contestent l\u2019id\u00e9e selon laquelle leurs analyses seraient infond\u00e9es et rappellent que leurs\n    arguments s\u2019appuient sur des <strong>donn\u00e9es issues d\u2019organismes officiels<\/strong>, notamment\n    <strong>Sant\u00e9 publique France<\/strong> et <strong>Air Pays de la Loire<\/strong>. Elles soulignent que ces \u00e9l\u00e9ments sont\n    <strong>v\u00e9rifiables<\/strong> et reposent sur des documents publics.\n  <\/p>\n\n  <h2>Le suivi des polluants industriels au c\u0153ur des inqui\u00e9tudes<\/h2>\n\n  <p>\n    L\u2019un des points majeurs de d\u00e9saccord concerne l\u2019absence de mesures r\u00e9centes sur certaines cat\u00e9gories de polluants,\n    en particulier les <strong>particules ultrafines<\/strong>. Ces particules, plus petites que les PM2,5, sont\n    consid\u00e9r\u00e9es comme potentiellement plus dangereuses en raison de leur capacit\u00e9 \u00e0 p\u00e9n\u00e9trer profond\u00e9ment dans\n    l\u2019organisme.\n  <\/p>\n\n  <p>\n    Pour les associations, la suspension du projet de suivi des PUF prive les riverains d\u2019informations essentielles\n    sur leur exposition r\u00e9elle. Elles estiment que le PAQA, dans sa version actuelle, ne r\u00e9pond pas suffisamment aux\n    pr\u00e9occupations sanitaires des habitants vivant \u00e0 proximit\u00e9 des sites industriels.\n  <\/p>\n\n  <h2>Un d\u00e9bat qui d\u00e9passe le cadre technique<\/h2>\n\n  <p>\n    Au-del\u00e0 des dispositifs de mesure, les \u00e9changes r\u00e9v\u00e8lent une <strong>fracture persistante<\/strong> entre certaines\n    collectivit\u00e9s et une partie du tissu associatif local. Les associations demandent une reconnaissance de leur r\u00f4le\n    dans l\u2019alerte et la concertation, tandis que plusieurs \u00e9lus d\u00e9noncent ce qu\u2019ils per\u00e7oivent comme une remise en cause\n    permanente de l\u2019action publique.\n  <\/p>\n\n  <p style=\"margin-bottom:0;\">\n    Le PAQA 2025-2030 doit d\u00e9sormais entrer dans sa phase op\u00e9rationnelle. Les modalit\u00e9s de suivi des polluants et la\n    capacit\u00e9 du territoire \u00e0 instaurer un dialogue apais\u00e9 avec les riverains pourraient conditionner l\u2019acceptabilit\u00e9\n    des politiques environnementales dans un bassin fortement industrialis\u00e9.\n  <\/p>\n\n<\/section>\n\n<!-- =========================================================\n     WIDGET IMN \u2014 MEMORY OFFICIEL 6\u00d76 (18 PAIRES, VERSION FINALE)\n     Mod\u00e8le IMN \u201cPoupet\u201d adapt\u00e9 au th\u00e8me environnement \/ qualit\u00e9 de l\u2019air\n========================================================= -->\n<section id=\"imn-mem6x6-air\" style=\"margin-top:40px;\">\n  <h2>Mini-jeu IMN : teste ta m\u00e9moire sur le th\u00e8me de l\u2019air et de l\u2019environnement<\/h2>\n\n  <div class=\"imn-mem6x6-wrapper\">\n    <div class=\"imn-mem6x6-game\">\n      <div class=\"imn-mem6x6-stats\">\n        Coups : <span data-moves>0<\/span> \u2022 Temps : <span data-time>0<\/span>s\n      <\/div>\n\n      <div class=\"imn-mem6x6-grid\"><\/div>\n\n      <button type=\"button\" class=\"imn-mem6x6-btn\">Rejouer<\/button>\n    <\/div>\n  <\/div>\n<\/section>\n\n<style>\n  #imn-mem6x6-air .imn-mem6x6-wrapper{\n    display:flex;\n    justify-content:center;\n    align-items:center;\n  }\n  #imn-mem6x6-air .imn-mem6x6-game{\n    width:100%;\n    max-width:420px;\n    text-align:center;\n  }\n  #imn-mem6x6-air .imn-mem6x6-stats{\n    margin-bottom:10px;\n    font-size:14px;\n  }\n  #imn-mem6x6-air .imn-mem6x6-grid{\n    display:grid;\n    grid-template-columns:repeat(6,1fr);\n    gap:6px;\n    width:100%;\n  }\n  #imn-mem6x6-air .imn-mem6x6-card{\n    aspect-ratio:1\/1;\n    background:#ddd;\n    border-radius:8px;\n    cursor:pointer;\n    user-select:none;\n    display:flex;\n    align-items:center;\n    justify-content:center;\n    font-size:30px;\n    transition:background .2s;\n  }\n  #imn-mem6x6-air .imn-mem6x6-card.flipped{\n    background:#5532F0;\n    color:#fff;\n  }\n  #imn-mem6x6-air .imn-mem6x6-card.matched{\n    background:#4CAF50;\n    color:#fff;\n    cursor:default;\n  }\n  #imn-mem6x6-air .imn-mem6x6-btn{\n    margin-top:12px;\n    background:#5532F0;\n    color:#fff;\n    border:1px solid #5532F0;\n    padding:10px 16px;\n    border-radius:8px;\n    font-size:15px;\n    cursor:pointer;\n    appearance:none;\n    -webkit-appearance:none;\n  }\n  #imn-mem6x6-air .imn-mem6x6-btn:hover{filter:brightness(0.95);}\n  #imn-mem6x6-air .imn-mem6x6-btn:focus{outline:3px solid rgba(85,50,240,.25);outline-offset:2px;}\n<\/style>\n\n<script>\n(function(){\n  function imnTrackSafe(evt, payload){\n    try{\n      if(typeof window.imnTrack === \"function\"){ window.imnTrack(evt, payload || {}); 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Le sujet a donn\u00e9 lieu \u00e0 un d\u00e9bat long et parfois tendu lors du conseil communautaire du 16 d\u00e9cembre 2025, au cours duquel les maires de Pornichet, Donges et Saint-Nazaire ont exprim\u00e9 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5091,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":"","event_start_date":"","event_end_date":"","event_location":"","imn_event_city":"","imn_event_start_time":"","imn_event_end_time":"","imn_event_all_day":"","imn_event_address":"","imn_event_ticket_url":"","imn_event_price":"","imn_event_status":"","imn_event_organizer":"","imn_event_accessibility":""},"categories":[22],"tags":[3543,3542,3540,3539,1733,968,3541,166],"class_list":["post-5090","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites-nantes","tag-associations-environnementales","tag-bassin-industriel","tag-donges","tag-paqa","tag-pollution","tag-pornichet","tag-qualite-de-lair","tag-saint-nazaire"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - 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