<div class='ui dimmer modals page' style='display: none;'><div id='helpie-password-modal' class='pauple_helpie ui modal small' style='display: none;'><div class='ui header'><i class='circular lock icon'></i> Password Protected</div><div class='item-content'><br /><label for='password_check'>Enter Password : </label><p><input type='password' id='password_check' name='password_check' class='password' value='' required></p></div><div class='actions'><div class='ui black deny button'>Nope</div><div class='ui positive right labeled icon button'>Yep, that's right!<i class='checkmark icon'></i></div></div><div class='clear'></div></div></div>{"id":4497,"date":"2020-03-17T10:17:18","date_gmt":"2020-03-17T10:17:18","guid":{"rendered":"https:\/\/smartairfilters.com\/learn\/smart-air-knowledge-base\/hows-the-air-in-london\/"},"modified":"2020-07-15T11:06:51","modified_gmt":"2020-07-15T03:06:51","slug":"hows-the-air-in-london","status":"publish","type":"pauple_helpie","link":"https:\/\/smartairfilters.com\/learn\/smart-air-knowledge-base\/hows-the-air-in-london\/","title":{"rendered":"How\u2019s the Air in London?"},"content":{"rendered":"<div class='breadcrumbs pauple_helpie_breadcrumbs'><a class='mainpage-link' href='https:\/\/smartairfilters.com\/learn\/'>Knowledge Base<\/a> <span class='helpiekb_separator'> &nbsp;&nbsp; <i class='fa fa-angle-right' aria-hidden='true'><\/i>&nbsp;&nbsp;<\/span><a class='mainpage-link' href='https:\/\/smartairfilters.com\/learn\/cat\/air-quality-information\/'>Air Quality Information<\/a> <span class='helpiekb_separator'> &nbsp;&nbsp; <i class='fa fa-angle-right' aria-hidden='true'><\/i>&nbsp;&nbsp;<\/span><a class='mainpage-link' href='https:\/\/smartairfilters.com\/learn\/smart-air-knowledge-base\/hows-the-air-in-london\/'>How\u2019s the Air in London?<\/a> <\/div><p>Based on this data from the King\u2019s College London, London\u2019s air quality is slightly above the WHO annual limit. However, 12 micrograms is already pretty good; it\u2019s just within the \u2018Healthy\u2019 range for the US air quality index.<\/p>\n<p>Click here to read more: <a href='https:\/\/smartairfilters.com\/en\/blog\/air-quality-london-pm25-pollution\/'>https:\/\/smartairfilters.com\/en\/blog\/air-quality-london-pm25-pollution\/<\/a><\/p>\n<div class='pauple-helpie-module article-voting'><span class='label'>Was this article useful?<\/span><span data-post-id='4497' data-user-id='0' class='icon-tray'><span  data-vote='thumbs up outline' class=' voting-icon thumbs up outline '><i data-content='thumbs up outline' class='thumbs up outline outline icon' aria-hidden='true'><\/i><count>0<\/count><\/span><span  data-vote='thumbs down outline' class=' voting-icon thumbs down outline '><i data-content='thumbs down outline' class='thumbs down outline outline icon' aria-hidden='true'><\/i><count>0<\/count><\/span><\/span><\/div><div style='clear:both;'><\/div>","protected":false},"excerpt":{"rendered":"<p>Knowledge Base &nbsp;&nbsp; &nbsp;&nbsp;Air Quality Information &nbsp;&nbsp; &nbsp;&nbsp;How\u2019s the Air in London? Based on this data from the King\u2019s College London, London\u2019s air quality is slightly above the WHO annual limit. However, 12 micrograms is already pretty good; it\u2019s just within the \u2018Healthy\u2019 range for the US air quality index. &#8230; <a title=\"How\u2019s the Air in London?\" class=\"read-more\" href=\"https:\/\/smartairfilters.com\/learn\/smart-air-knowledge-base\/hows-the-air-in-london\/\" aria-label=\"Read more about How\u2019s the Air in London?\">Read more<\/a><\/p>\n","protected":false},"author":4824,"featured_media":0,"menu_order":0,"comment_status":"closed","ping_status":"open","template":"","format":"standard","meta":{"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","footnotes":""},"helpdesk_category":[612],"helpie_tag":[859,1076,225,861,1075,940],"helpie_add_tag":[],"helpie_up_tag":[],"class_list":["post-4497","pauple_helpie","type-pauple_helpie","status-publish","format-standard","hentry","helpdesk_category-air-quality-information","helpie_tag-air-quality","helpie_tag-britain","helpie_tag-data","helpie_tag-history","helpie_tag-london","helpie_tag-who"],"_links":{"self":[{"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/pauple_helpie\/4497","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/pauple_helpie"}],"about":[{"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/types\/pauple_helpie"}],"author":[{"embeddable":true,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/users\/4824"}],"replies":[{"embeddable":true,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/comments?post=4497"}],"version-history":[{"count":2,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/pauple_helpie\/4497\/revisions"}],"predecessor-version":[{"id":5094,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/pauple_helpie\/4497\/revisions\/5094"}],"wp:attachment":[{"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/media?parent=4497"}],"wp:term":[{"taxonomy":"helpdesk_category","embeddable":true,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/helpdesk_category?post=4497"},{"taxonomy":"helpie_tag","embeddable":true,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/helpie_tag?post=4497"},{"taxonomy":"helpie_add_tag","embeddable":true,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/helpie_add_tag?post=4497"},{"taxonomy":"helpie_up_tag","embeddable":true,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/helpie_up_tag?post=4497"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}