{"id":379891,"date":"2026-03-25T09:33:06","date_gmt":"2026-03-25T09:33:06","guid":{"rendered":"https:\/\/afrikmag.com\/var\/www\/vhosts\/afrikmag.compublic_html\/?p=379891"},"modified":"2026-03-25T09:33:06","modified_gmt":"2026-03-25T09:33:06","slug":"les-10-pays-africains-les-plus-pollues-enseignements-du-rapport-mondial-sur-la-qualite-de-lair","status":"publish","type":"post","link":"https:\/\/afrikmag.com\/var\/www\/vhosts\/afrikmag.compublic_html\/les-10-pays-africains-les-plus-pollues-enseignements-du-rapport-mondial-sur-la-qualite-de-lair\/","title":{"rendered":"Les 10 pays africains les plus pollu\u00e9s : enseignements du rapport mondial sur la qualit\u00e9 de l&rsquo;air"},"content":{"rendered":"<div id=\"lead\" class=\"article-perex \">\n<p><span dir=\"auto\">La pollution de l&rsquo;air continue de constituer un d\u00e9fi majeur en mati\u00e8re de sant\u00e9 et d&rsquo;environnement \u00e0 travers l&rsquo;Afrique, les particules fines, connues sous le nom de\u00a0<\/span><strong><span dir=\"auto\">PM2,5<\/span><\/strong><span dir=\"auto\">\u00a0, \u00e9tant au c\u0153ur des pr\u00e9occupations.<\/span><\/p>\n<\/div>\n<div class=\"article-gallery \">\n<div id=\"article-main-image\" class=\"image-container\">\n<div class=\"ringCommonDetail ringBlockType-paragraph \">\n<p><span dir=\"auto\">Les PM2.5 sont compos\u00e9es de particules microscopiques suffisamment petites pour p\u00e9n\u00e9trer profond\u00e9ment dans les poumons et entrer dans la circulation sanguine, augmentant ainsi le risque de maladies respiratoires et cardiovasculaires, d&rsquo;accidents vasculaires c\u00e9r\u00e9braux et d&rsquo;autres probl\u00e8mes de sant\u00e9 \u00e0 long terme.<\/span><\/p>\n<\/div>\n<div class=\"ringCommonDetail ringBlockType-paragraph \">\n<p><span dir=\"auto\">Le rapport mondial IQAir 2025 sur la qualit\u00e9 de l&rsquo;air fournit\u00a0<\/span><span dir=\"auto\">l&rsquo;\u00e9valuation la plus compl\u00e8te \u00e0 ce jour de la qualit\u00e9 de l&rsquo;air mondiale<\/span><span dir=\"auto\">\u00a0, couvrant 9\u00a0446 villes dans 143 pays, r\u00e9gions et territoires.<\/span><\/p>\n<\/div>\n<div class=\"ringCommonDetail ringBlockType-paragraph \">\n<p><span dir=\"auto\">Les donn\u00e9es proviennent de plus de 40 000 stations de surveillance r\u00e9glementaire et de capteurs \u00e0 bas co\u00fbt, g\u00e9r\u00e9s par des gouvernements, des universit\u00e9s, des organisations \u00e0 but non lucratif, des entreprises et des citoyens scientifiques.<\/span><\/p>\n<\/div>\n<div class=\"ringCommonDetail ringBlockType-paragraph \">\n<p><span dir=\"auto\">Les concentrations sont exprim\u00e9es en microgrammes par m\u00e8tre cube (\u00b5g\/m\u00b3), normalis\u00e9es selon les directives annuelles de l&rsquo;Organisation mondiale de la sant\u00e9 (OMS) sur les PM2,5, garantissant des mesures claires et comparables de la qualit\u00e9 de l&rsquo;air.<\/span><\/p>\n<\/div>\n<div class=\"ringCommonDetail ringBlockType-heading \">\n<h4 id=\"nav-ring-6\" class=\"heading-h4 replaced-h1\"><span dir=\"auto\">Les pays les plus pollu\u00e9s d&rsquo;Afrique<\/span><\/h4>\n<\/div>\n<div class=\"ringCommonDetail ringBlockType-paragraph \">\n<p><span dir=\"auto\">Selon le rapport IQAir 2025, les pays les plus pollu\u00e9s d&rsquo;Afrique sont ceux o\u00f9 les concentrations de PM2,5 d\u00e9passent largement la valeur guide de l&rsquo;OMS de\u00a0<\/span><strong><span dir=\"auto\">5 \u00b5g\/m\u00b3<\/span><\/strong><span dir=\"auto\">\u00a0, ce qui met en \u00e9vidence d&rsquo;importants d\u00e9fis environnementaux et\u00a0<\/span><span dir=\"auto\">de sant\u00e9 publique.<\/span><\/p>\n<\/div>\n<div class=\"ringCommonDetail ringBlockType-paragraph \">\n<p><span dir=\"auto\">Voici les dix pays africains pr\u00e9sentant les niveaux moyens annuels de PM2,5 les plus \u00e9lev\u00e9s :<\/span><\/p>\n<div class=\"container container-bodyTop datawrapper-rre3c-13fcjr6\">\n<div class=\"container container-bodyCenter datawrapper-rre3c-112zasr\">\n<div id=\"chart\" class=\"dw-chart-body vis-height-fixed datawrapper-rre3c-2irvu4 svelte-labfc\">\n<div class=\"dw-chart-body-content svelte-labfc\" aria-hidden=\"false\">\n<div class=\"table-container svelte-1xam9h\">\n<div class=\"table-scroll svelte-1xam9h\">\n<table class=\"medium datawrapper-rre3c-1mt1bh3 svelte-1xam9h striped resortable\" cellspacing=\"0\">\n<caption class=\"sr-only\">\u00a0<\/caption>\n<thead>\n<tr class=\"datawrapper-rre3c-1wbuely svelte-1xam9h\">\n<th class=\"force-padding first rank datawrapper-rre3c-3ik8k8 cell svelte-e11vcc\" colspan=\"1\" scope=\"col\" aria-label=\"Rank\" data-column=\"rank\" data-row=\"-1\"><\/th>\n<th class=\"force-padding type-text align-left resortable cell svelte-e11vcc\" colspan=\"1\" scope=\"col\" data-column=\"Country\" data-row=\"-1\"><span class=\"content dw-bold\">pAYS<\/span><\/th>\n<th class=\"last force-padding type-number align-right resortable cell svelte-e11vcc is-heatmap\" colspan=\"1\" scope=\"col\" data-column=\"PM2.5 (\u00b5g\/m\u00b3)\" data-row=\"-1\"><button class=\"sort svelte-1xam9h\"><span class=\"content dw-bold\">PM2.5 (\u00b5g\/m\u00b3)<\/span><\/button><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr class=\"datawrapper-rre3c-1c5djey svelte-1xam9h\">\n<td class=\"force-padding first rank datawrapper-rre3c-3ik8k8    td cell  svelte-5rcs0n\" colspan=\"1\">1<\/td>\n<th class=\"force-padding type-text align-left align-vertical-middle    td cell  svelte-5rcs0n\" colspan=\"1\" scope=\"row\">\u00a0Tchad<\/th>\n<td class=\"last force-padding type-number inverted align-right align-vertical-middle    td cell is-heatmap svelte-5rcs0n\" colspan=\"1\">53.6<\/td>\n<\/tr>\n<tr class=\"datawrapper-rre3c-1c5djey svelte-1xam9h\">\n<td class=\"force-padding first rank datawrapper-rre3c-3ik8k8    td cell  svelte-5rcs0n\" colspan=\"1\">2<\/td>\n<th class=\"force-padding type-text align-left align-vertical-middle    td cell  svelte-5rcs0n\" colspan=\"1\" scope=\"row\">\u00a0R.D Congo<\/th>\n<td class=\"last force-padding type-number inverted align-right align-vertical-middle    td cell is-heatmap svelte-5rcs0n\" colspan=\"1\">50.2<\/td>\n<\/tr>\n<tr class=\"datawrapper-rre3c-1c5djey svelte-1xam9h\">\n<td class=\"force-padding first rank datawrapper-rre3c-3ik8k8    td cell  svelte-5rcs0n\" colspan=\"1\">3<\/td>\n<th class=\"force-padding type-text align-left align-vertical-middle    td cell  svelte-5rcs0n\" colspan=\"1\" scope=\"row\">\u00a0Ouganda<\/th>\n<td class=\"last force-padding type-number inverted align-right align-vertical-middle    td cell is-heatmap svelte-5rcs0n\" colspan=\"1\">43.0<\/td>\n<\/tr>\n<tr class=\"datawrapper-rre3c-1c5djey svelte-1xam9h\">\n<td class=\"force-padding first rank datawrapper-rre3c-3ik8k8    td cell  svelte-5rcs0n\" colspan=\"1\">4<\/td>\n<th class=\"force-padding type-text align-left align-vertical-middle    td cell  svelte-5rcs0n\" colspan=\"1\" scope=\"row\">\u00a0Egypte<\/th>\n<td class=\"last force-padding type-number inverted align-right align-vertical-middle    td cell is-heatmap svelte-5rcs0n\" colspan=\"1\">40.6<\/td>\n<\/tr>\n<tr class=\"datawrapper-rre3c-1c5djey svelte-1xam9h\">\n<td class=\"force-padding first rank datawrapper-rre3c-3ik8k8    td cell  svelte-5rcs0n\" colspan=\"1\">5<\/td>\n<th class=\"force-padding type-text align-left align-vertical-middle    td cell  svelte-5rcs0n\" colspan=\"1\" scope=\"row\">\u00a0Rwanda<\/th>\n<td class=\"last force-padding type-number inverted align-right align-vertical-middle    td cell is-heatmap svelte-5rcs0n\" colspan=\"1\">34.5<\/td>\n<\/tr>\n<tr class=\"datawrapper-rre3c-1c5djey svelte-1xam9h\">\n<td class=\"force-padding first rank datawrapper-rre3c-3ik8k8    td cell  svelte-5rcs0n\" colspan=\"1\">6<\/td>\n<th class=\"force-padding type-text align-left align-vertical-middle    td cell  svelte-5rcs0n\" colspan=\"1\" scope=\"row\">\u00a0Gambie<\/th>\n<td class=\"last force-padding type-number align-right align-vertical-middle    td cell is-heatmap svelte-5rcs0n\" colspan=\"1\">27.7<\/td>\n<\/tr>\n<tr class=\"datawrapper-rre3c-1c5djey svelte-1xam9h\">\n<td class=\"force-padding first rank datawrapper-rre3c-3ik8k8    td cell  svelte-5rcs0n\" colspan=\"1\">7<\/td>\n<th class=\"force-padding type-text align-left align-vertical-middle    td cell  svelte-5rcs0n\" colspan=\"1\" scope=\"row\">\u00a0Libye<\/th>\n<td class=\"last force-padding type-number align-right align-vertical-middle    td cell is-heatmap svelte-5rcs0n\" colspan=\"1\">24.4<\/td>\n<\/tr>\n<tr class=\"datawrapper-rre3c-1c5djey svelte-1xam9h\">\n<td class=\"force-padding first rank datawrapper-rre3c-3ik8k8    td cell  svelte-5rcs0n\" colspan=\"1\">8<\/td>\n<th class=\"force-padding type-text align-left align-vertical-middle    td cell  svelte-5rcs0n\" colspan=\"1\" scope=\"row\">\u00a0Nigeria<\/th>\n<td class=\"last force-padding type-number align-right align-vertical-middle    td cell is-heatmap svelte-5rcs0n\" colspan=\"1\">23.4<\/td>\n<\/tr>\n<tr class=\"datawrapper-rre3c-1c5djey svelte-1xam9h\">\n<td class=\"force-padding first rank datawrapper-rre3c-3ik8k8    td cell  svelte-5rcs0n\" colspan=\"1\">9<\/td>\n<th class=\"force-padding type-text align-left align-vertical-middle    td cell  svelte-5rcs0n\" colspan=\"1\" scope=\"row\">\u00a0Ethiopie<\/th>\n<td class=\"last force-padding type-number align-right align-vertical-middle    td cell is-heatmap svelte-5rcs0n\" colspan=\"1\">22.4<\/td>\n<\/tr>\n<tr class=\"datawrapper-rre3c-1c5djey svelte-1xam9h\">\n<td class=\"force-padding first rank datawrapper-rre3c-3ik8k8    td cell  svelte-5rcs0n\" colspan=\"1\">10<\/td>\n<th class=\"force-padding type-text align-left align-vertical-middle    td cell  svelte-5rcs0n\" colspan=\"1\" scope=\"row\">\u00a0S\u00e9n\u00e9gal<\/th>\n<td class=\"last force-padding type-number align-right align-vertical-middle    td cell is-heatmap svelte-5rcs0n\" colspan=\"1\">21.8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><strong>Source : Rapport mondial sur la qualit\u00e9 de l&rsquo;air d&rsquo;IQAir\u00a0<\/strong><\/p>\n<div class=\"ringCommonDetail ringBlockType-paragraph \">\n<p><span dir=\"auto\">Les donn\u00e9es de 2025 r\u00e9v\u00e8lent que la qualit\u00e9 de l&rsquo;air en Afrique est un atout fragile et dynamique, influenc\u00e9 \u00e0 la fois par les conditions climatiques naturelles et par l&rsquo;activit\u00e9 humaine.<\/span><\/p>\n<\/div>\n<div class=\"ringCommonDetail ringBlockType-paragraph \">\n<p><span dir=\"auto\">Parmi les pays africains les plus pollu\u00e9s, le Tchad, la R\u00e9publique d\u00e9mocratique du Congo, l&rsquo;Ouganda, l&rsquo;\u00c9gypte et le Rwanda occupent les premi\u00e8res places, refl\u00e9tant une combinaison de sources naturelles et anthropiques de pollution aux PM2,5.<\/span><\/p>\n<\/div>\n<div class=\"ringCommonDetail ringBlockType-paragraph \">\n<p><span dir=\"auto\">Les niveaux \u00e9lev\u00e9s de PM2,5 observ\u00e9s dans ces pays sont dus \u00e0 une combinaison de facteurs naturels, urbains et industriels.<\/span><\/p>\n<\/div>\n<div class=\"ringCommonDetail ringBlockType-paragraph \">\n<p><span dir=\"auto\">Au Tchad et au Niger, pays sah\u00e9liens, les temp\u00eates de poussi\u00e8re du Sahara contribuent de mani\u00e8re significative \u00e0 l&rsquo;augmentation des particules fines, tandis que les cadres r\u00e9glementaires limit\u00e9s et l&rsquo;utilisation g\u00e9n\u00e9ralis\u00e9e de la biomasse pour la cuisson et le chauffage exacerbent les niveaux de pollution.<\/span><\/p>\n<\/div>\n<div class=\"ringCommonDetail ringBlockType-paragraph \">\n<p><span dir=\"auto\">Les pays d&rsquo;Afrique centrale, comme la R\u00e9publique d\u00e9mocratique du Congo, subissent des pressions suppl\u00e9mentaires li\u00e9es \u00e0 l&rsquo;exploitation mini\u00e8re, \u00e0 la d\u00e9forestation et aux \u00e9missions urbaines, qui lib\u00e8rent d&rsquo;importantes quantit\u00e9s de particules fines dans l&rsquo;air.<\/span><\/p>\n<\/div>\n<div class=\"adSlotContainer \n                \"><\/p>\n<div class=\"ringCommonDetail ringBlockType-paragraph \">\n<p><span dir=\"auto\">Les pays d&rsquo;Afrique de l&rsquo;Est et du Sud, notamment l&rsquo;Ouganda, le Rwanda, l&rsquo;\u00c9thiopie et le Burundi, illustrent l&rsquo;impact cumulatif de l&rsquo;urbanisation rapide, des activit\u00e9s de construction, des embouteillages et de la d\u00e9pendance au charbon de bois ou aux combustibles ligneux, mettant en \u00e9vidence le point de convergence entre d\u00e9veloppement et risques pour la sant\u00e9 environnementale.<\/span><\/p>\n<\/div>\n<div class=\"ringCommonDetail ringBlockType-paragraph \">\n<p><span dir=\"auto\">En Afrique du Nord, l&rsquo;\u00c9gypte conna\u00eet des niveaux \u00e9lev\u00e9s de PM2,5 en raison de l&rsquo;activit\u00e9 industrielle, du trafic dense et de la poussi\u00e8re du d\u00e9sert, en particulier dans les centres urbains comme le Caire, o\u00f9 la combinaison de sources anthropiques et naturelles cr\u00e9e des probl\u00e8mes persistants de qualit\u00e9 de l&rsquo;air.<\/span><\/p>\n<\/div>\n<div class=\"ringCommonDetail ringBlockType-paragraph \">\n<p><span dir=\"auto\">Au Soudan, la pollution atmosph\u00e9rique est \u00e9galement amplifi\u00e9e par les temp\u00eates de poussi\u00e8re et le br\u00fblage \u00e0 ciel ouvert des d\u00e9chets agricoles, tandis que les m\u00e9gapoles nig\u00e9rianes illustrent les effets de la densit\u00e9 de population, de l&rsquo;utilisation intensive de v\u00e9hicules et des \u00e9missions industrielles.<\/span><\/p>\n<\/div>\n<div class=\"ringCommonDetail ringBlockType-paragraph \">\n<p><span dir=\"auto\">Sur l\u2019ensemble du continent, ces facteurs convergent pour cr\u00e9er des conditions de qualit\u00e9 de l\u2019air qui restent dangereuses, les populations \u00e9tant expos\u00e9es \u00e0 des niveaux de PM2,5 plusieurs fois sup\u00e9rieurs aux normes sanitaires internationales.<\/span><\/p>\n<\/div>\n<div class=\"adSlotContainer \n                \"><\/p>\n<article>\n<div id=\"article-content-body\" class=\"article-content \">\n<div class=\"article-body-text\">\n<div class=\"ringCommonDetail ringBlockType-paragraph \">\n<p><span dir=\"auto\">Relever ces d\u00e9fis exige des strat\u00e9gies multidimensionnelles, notamment une \u00e9nergie domestique plus propre, des normes plus strictes en mati\u00e8re d&rsquo;\u00e9missions industrielles et de v\u00e9hicules, une surveillance accrue de la qualit\u00e9 de l&rsquo;air et des mesures d&rsquo;am\u00e9nagement urbain.<\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/article>\n<div class=\"article-author-wrapper  authorWithImage \">\n<div class=\"article-author\"><span class=\"author-item authorWithImage\"><a class=\"single-author-wrapper\" title=\"Salomon Ekanem\" href=\"https:\/\/africa.businessinsider.com\/author\/solomon-ekanem\"><span class=\"author-photo\"><picture class=\"image-wrapper\" data-image-source=\"article-author\"><source srcset=\"https:\/\/ocdn.eu\/pulscms-transforms\/1\/GoIk9kpTURBXy8yYTZmYzI0YWEzYTIyZjI3OGFjZWU5MGNjN2Q2ODUwNS5qcGeSlQMAzNjNB5jNB5iTBcxGzEbeAAKhMAahMQA\" type=\"image\/avif\" data-original=\"https:\/\/ocdn.eu\/pulscms-transforms\/1\/GoIk9kpTURBXy8yYTZmYzI0YWEzYTIyZjI3OGFjZWU5MGNjN2Q2ODUwNS5qcGeSlQMAzNjNB5jNB5iTBcxGzEbeAAKhMAahMQA\" \/><\/picture><\/span><\/a><\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>La pollution de l&rsquo;air continue de constituer un d\u00e9fi majeur en mati\u00e8re de sant\u00e9 et d&rsquo;environnement \u00e0 travers l&rsquo;Afrique, les particules fines, connues sous le nom de\u00a0PM2,5\u00a0, \u00e9tant au c\u0153ur des pr\u00e9occupations. Les PM2.5 sont compos\u00e9es de particules microscopiques suffisamment petites pour p\u00e9n\u00e9trer profond\u00e9ment dans les poumons et entrer dans la circulation sanguine, augmentant ainsi &hellip;<\/p>\n","protected":false},"author":45,"featured_media":379893,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[189118,47,7020],"tags":[194820,203517,200824],"class_list":["post-379891","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-a-la-une","category-afrique","category-societe","tag-10-pays-africains","tag-pays-africains-pollues","tag-pollution-en-afrique"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Les 10 pays africains les plus pollu\u00e9s : enseignements du rapport mondial sur la qualit\u00e9 de l&#039;air<\/title>\n<meta name=\"description\" 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