{"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\/nl\/2025\/09\/23\/car-free-sunday-air-quality-up-noise-levels-dropping-almost-completely\/","title":{"rendered":"Autovrije zondag: luchtkwaliteit omhoog, geluidsniveaus dalen bijna volledig"},"content":{"rendered":"<p>De recente autoloze zondag,<span class=\"Y2IQFc\" lang=\"en\"> op 21 september opnieuw bewezen dat de luchtkwaliteit verbetert en de geluidsoverlast afneemt,\u00a0<\/span><span class=\"Y2IQFc\" lang=\"en\">especially along Brussels' busiest roads. T<\/span><span class=\"Y2IQFc\" lang=\"en\">e geluidsdruk daalde met 99 procent vergeleken met een gewone zondag.<\/span><\/p><p><span class=\"Y2IQFc\" lang=\"en\">De meetposten op de E40 in Sint-Lambrechts-Woluwe en de E411 in Oudergem registreerden op autoloze zondag geluidsdrukniveaus van 50 en 44 dB(A). Op een doorsnee zondag is dat 67 decibel.\u00a0<\/span><span class=\"Y2IQFc\" lang=\"en\">Op andere locaties was het geluidsniveau 3,2 tot 8 decibel lager, wat neerkomt op een daling van 50 tot 84%.<\/span><\/p><div class=\"leaky_paywall_message_wrap\"><div id=\"leaky_paywall_message\">Deze inhoud is gearchiveerd. <a href=\"https:\/\/newmobility.news\/nl\/subscription\/\">Inloggen of abonneren<\/a> tot een niveau dat toegang heeft tot gearchiveerde inhoud.<\/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\/nl\/category\/belgium\/\" rel=\"category tag\">Belgium<\/a>, <a href=\"https:\/\/newmobility.news\/nl\/category\/environment\/\" rel=\"category tag\">Environment<\/a>, <a href=\"https:\/\/newmobility.news\/nl\/category\/health\/\" rel=\"category tag\">Health<\/a>, <a href=\"https:\/\/newmobility.news\/nl\/category\/mobility\/\" rel=\"category tag\">Mobility<\/a>, <a href=\"https:\/\/newmobility.news\/nl\/category\/top-stories-today\/\" rel=\"category tag\">Top Stories Today<\/a>","author_info_v2":{"name":"Hilde Van Raemdonck","url":"https:\/\/newmobility.news\/nl\/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\/nl\/2025\/09\/23\/car-free-sunday-air-quality-up-noise-levels-dropping-almost-completely\/\" \/>\n<meta property=\"og:locale\" content=\"nl_BE\" \/>\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\/nl\/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=\"Geschreven door\" \/>\n\t<meta name=\"twitter:data1\" content=\"Hilde Van Raemdonck\" \/>\n\t<meta name=\"twitter:label2\" content=\"Geschatte leestijd\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minuten\" \/>\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\":\"nl-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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