{"id":175540,"date":"2025-09-23T11:44:54","date_gmt":"2025-09-23T09:44:54","guid":{"rendered":"https:\/\/newmobility.news\/?p=175540"},"modified":"2025-09-23T11:44:54","modified_gmt":"2025-09-23T09:44:54","slug":"car-free-sunday-air-quality-up-noise-levels-dropping-almost-completely","status":"publish","type":"post","link":"https:\/\/newmobility.news\/fr\/2025\/09\/23\/car-free-sunday-air-quality-up-noise-levels-dropping-almost-completely\/","title":{"rendered":"Dimanche sans voiture : am\u00e9lioration de la qualit\u00e9 de l'air, r\u00e9duction quasi totale des niveaux sonores"},"content":{"rendered":"<p>Le r\u00e9cent dimanche sans voiture,<span class=\"Y2IQFc\" lang=\"en\"> le 21 septembre, a prouv\u00e9 une fois de plus que la qualit\u00e9 de l'air s'am\u00e9liore et que la pollution sonore diminue,\u00a0<\/span><span class=\"Y2IQFc\" lang=\"en\">notamment le long des axes les plus fr\u00e9quent\u00e9s de Bruxelles. T<\/span><span class=\"Y2IQFc\" lang=\"en\">a pression acoustique a diminu\u00e9 de 99 % par rapport \u00e0 un dimanche normal.<\/span><\/p><p><span class=\"Y2IQFc\" lang=\"en\">Les stations de mesure sur l'E40 \u00e0 Sint-Lambrechts-Woluwe et l'E411 \u00e0 Oudergem ont enregistr\u00e9 des niveaux de pression sonore de 50 et 44 dB(A) lors du dimanche sans voiture. Un dimanche normal, ce chiffre s'\u00e9l\u00e8ve \u00e0 67 d\u00e9cibels.\u00a0<\/span><span class=\"Y2IQFc\" lang=\"en\">\u00c0 d'autres endroits, le niveau de bruit \u00e9tait inf\u00e9rieur de 3,2 \u00e0 8 d\u00e9cibels, ce qui repr\u00e9sente une diminution de 50 \u00e0 84%.<\/span><\/p><div class=\"leaky_paywall_message_wrap\"><div id=\"leaky_paywall_message\">Ce contenu a \u00e9t\u00e9 archiv\u00e9. <a href=\"https:\/\/newmobility.news\/fr\/subscription\/\">Connectez-vous ou inscrivez-vous<\/a> \u00e0 un niveau qui donne acc\u00e8s au contenu archiv\u00e9.<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>The recent car-free Sunday, on September 21st, once again proved that air quality is improving and noise pollution is decreasing,\u00a0especially along Brussels&#8217; busiest roads. The sound pressure dropped by 99 percent compared to a regular Sunday.The measuring stations on the E40 in Sint-Lambrechts-Woluwe and the E411 in Oudergem recorded sound pressure levels of 50 and [&hellip;]<\/p>\n","protected":false},"author":175,"featured_media":175556,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"{title}\n\n{excerpt}\n\n{url}","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"_wpas_customize_per_network":false,"jetpack_post_was_ever_published":false},"categories":[77170,29,51851,7,4],"tags":[],"class_list":["post-175540","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-belgium","category-environment","category-health","category-mobility","category-top-stories-today"],"acf":[],"featured_image_urls_v2":{"full":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2025\/09\/Week.jpg?fit=1522%2C588&ssl=1",1522,588,false],"thumbnail":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2025\/09\/Week.jpg?resize=150%2C150&ssl=1",150,150,true],"medium":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2025\/09\/Week.jpg?fit=300%2C116&ssl=1",300,116,true],"medium_large":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2025\/09\/Week.jpg?fit=640%2C247&ssl=1",640,247,true],"large":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2025\/09\/Week.jpg?fit=640%2C248&ssl=1",640,248,true],"1536x1536":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2025\/09\/Week.jpg?fit=1522%2C588&ssl=1",1522,588,true],"2048x2048":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2025\/09\/Week.jpg?fit=1522%2C588&ssl=1",1522,588,true],"trp-custom-language-flag":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2025\/09\/Week.jpg?fit=18%2C7&ssl=1",18,7,true],"related-thumb":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2025\/09\/Week.jpg?resize=640%2C480&ssl=1",640,480,true],"gform-image-choice-sm":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2025\/09\/Week.jpg?resize=300%2C300&ssl=1",300,300,true],"gform-image-choice-md":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2025\/09\/Week.jpg?resize=400%2C400&ssl=1",400,400,true],"gform-image-choice-lg":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2025\/09\/Week.jpg?resize=600%2C588&ssl=1",600,588,true],"mailchimp":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2025\/09\/Week.jpg?fit=560%2C216&ssl=1",560,216,true],"unipress-phone":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2025\/09\/Week.jpg?resize=640%2C100&ssl=1",640,100,true],"unipress-tablet":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2025\/09\/Week.jpg?resize=1522%2C240&ssl=1",1522,240,true],"unipress-tablet-portrait":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2025\/09\/Week.jpg?resize=1522%2C180&ssl=1",1522,180,true],"unipress-tablet-landscape":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2025\/09\/Week.jpg?resize=1522%2C180&ssl=1",1522,180,true],"unipress-smartphone":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2025\/09\/Week.jpg?resize=1080%2C168&ssl=1",1080,168,true],"unipress-wide-screen":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2025\/09\/Week.jpg?resize=1522%2C180&ssl=1",1522,180,true]},"post_excerpt_stackable_v2":"<p>The recent car-free Sunday, on September 21st, once again proved that air quality is improving and noise pollution is decreasing,\u00a0especially along Brussels&#8217; busiest roads. The sound pressure dropped by 99 percent compared to a regular Sunday.The measuring stations on the E40 in Sint-Lambrechts-Woluwe and the E411 in Oudergem recorded sound pressure levels of 50 and 44 dB(A) on car-free Sunday. On a typical Sunday, that figure is 67 decibels.\u00a0At other locations, the noise level was 3.2 to 8 decibels lower, representing a decrease of 50 to 84%.This content has been archived. Log in or Subscribe to a level that has&hellip;<\/p>\n","category_list_v2":"<a href=\"https:\/\/newmobility.news\/fr\/category\/belgium\/\" rel=\"category tag\">Belgium<\/a>, <a href=\"https:\/\/newmobility.news\/fr\/category\/environment\/\" rel=\"category tag\">Environment<\/a>, <a href=\"https:\/\/newmobility.news\/fr\/category\/health\/\" rel=\"category tag\">Health<\/a>, <a href=\"https:\/\/newmobility.news\/fr\/category\/mobility\/\" rel=\"category tag\">Mobility<\/a>, <a href=\"https:\/\/newmobility.news\/fr\/category\/top-stories-today\/\" rel=\"category tag\">Top Stories Today<\/a>","author_info_v2":{"name":"Hilde Van Raemdonck","url":"https:\/\/newmobility.news\/fr\/author\/hilde-van-raemdonck\/"},"comments_num_v2":"0 comments","yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Car-free Sunday: air quality up, noise levels dropping almost completely - newmobility.news<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/newmobility.news\/fr\/2025\/09\/23\/car-free-sunday-air-quality-up-noise-levels-dropping-almost-completely\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Car-free Sunday: air quality up, noise levels dropping almost completely - newmobility.news\" \/>\n<meta property=\"og:description\" content=\"The recent car-free Sunday, on September 21st, once again proved that air quality is improving and noise pollution is decreasing,\u00a0especially along Brussels&#039; busiest roads. The sound pressure dropped by 99 percent compared to a regular Sunday.The measuring stations on the E40 in Sint-Lambrechts-Woluwe and the E411 in Oudergem recorded sound pressure levels of 50 and [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/newmobility.news\/fr\/2025\/09\/23\/car-free-sunday-air-quality-up-noise-levels-dropping-almost-completely\/\" \/>\n<meta property=\"og:site_name\" content=\"newmobility.news\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/search\/top\/?q=newmobility.news\" \/>\n<meta property=\"article:published_time\" content=\"2025-09-23T09:44:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/newmobility.news\/wp-content\/uploads\/2025\/09\/Week.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1522\" \/>\n\t<meta property=\"og:image:height\" content=\"588\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Hilde Van Raemdonck\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@jorisvry\" \/>\n<meta name=\"twitter:site\" content=\"@jorisvry\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Hilde Van Raemdonck\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture est.\" \/>\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:\\\/\\\/newmobility.news\\\/2025\\\/09\\\/23\\\/car-free-sunday-air-quality-up-noise-levels-dropping-almost-completely\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/newmobility.news\\\/2025\\\/09\\\/23\\\/car-free-sunday-air-quality-up-noise-levels-dropping-almost-completely\\\/\"},\"author\":{\"name\":\"Hilde Van Raemdonck\",\"@id\":\"https:\\\/\\\/newmobility.news\\\/#\\\/schema\\\/person\\\/7540fd72a981bf6a315ba1b874c2a464\"},\"headline\":\"Car-free Sunday: air quality up, noise levels dropping almost completely\",\"datePublished\":\"2025-09-23T09:44:54+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/newmobility.news\\\/2025\\\/09\\\/23\\\/car-free-sunday-air-quality-up-noise-levels-dropping-almost-completely\\\/\"},\"wordCount\":323,\"publisher\":{\"@id\":\"https:\\\/\\\/newmobility.news\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/newmobility.news\\\/2025\\\/09\\\/23\\\/car-free-sunday-air-quality-up-noise-levels-dropping-almost-completely\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/i0.wp.com\\\/newmobility.news\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/Week.jpg?fit=1522%2C588&ssl=1\",\"articleSection\":[\"Belgium\",\"Environment\",\"Health\",\"Mobility\",\"Top Stories Today\"],\"inLanguage\":\"fr-BE\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/newmobility.news\\\/2025\\\/09\\\/23\\\/car-free-sunday-air-quality-up-noise-levels-dropping-almost-completely\\\/\",\"url\":\"https:\\\/\\\/newmobility.news\\\/2025\\\/09\\\/23\\\/car-free-sunday-air-quality-up-noise-levels-dropping-almost-completely\\\/\",\"name\":\"Car-free Sunday: air quality up, noise levels dropping almost completely - 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