{"version":"1.0","provider_name":"Visit Oulu","provider_url":"https:\/\/visitoulu.fi\/en\/","title":"Oulu Has the Cleanest Air in Europe - Visit Oulu","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"mtwchIvfxw\"><a href=\"https:\/\/visitoulu.fi\/en\/oulu-has-the-cleanest-air-in-europe\/\">Oulu Has the Cleanest Air in Europe<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/visitoulu.fi\/en\/oulu-has-the-cleanest-air-in-europe\/embed\/#?secret=mtwchIvfxw\" width=\"600\" height=\"338\" title=\"&#8220;Oulu Has the Cleanest Air in Europe&#8221; &#8212; Visit Oulu\" data-secret=\"mtwchIvfxw\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n<\/script>\n","thumbnail_url":"https:\/\/visitoulu.fi\/wp-content\/uploads\/2025\/07\/VisitOulu_5D2A61552-scaled.jpg","thumbnail_width":2560,"thumbnail_height":1708,"description":"Oulu is officially one of the cleanest cities in Europe. In a recent study by the European Environment Agency (EEA), the city ranked among the top when comparing air quality across 858 European cities. The air in Oulu is not only healthy but also exceptionally clean \u2013 significantly cleaner than in many major European metropolitan"}