The best way to measure the effectiveness of your air purifier when a window is open is to purchase an\u00a0air quality monitor<\/a>. Use the air quality monitor to measure your indoor PM2.5 levels when the window is open and closed after running the purifier for a fixed amount of time (e..g 1 hour). If the PM2.5 levels after 1 hour of running the purifier are higher when the window is open, then you may want to consider using a more powerful air purifier, or reducing the amount you open your windows.<\/p>\n\n\n\n Learn more:\u00a0Can air purifiers still work effectively when windows are open\u00a0\u00bb<\/a><\/p>\n Knowledge Base Protecting Yourself Air Purifiers How Can I Check If an Open Window Is Affecting My Air Purifier\u2019s Effectiveness? The best way to measure the effectiveness of your air purifier when a window is open is to purchase an\u00a0air quality monitor. Use the air quality monitor … Read more<\/a><\/p>\n","protected":false},"author":7807,"featured_media":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","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":[673,606,613],"helpie_tag":[266,63,146,1286,559],"helpie_add_tag":[],"helpie_up_tag":[],"class_list":["post-5792","pauple_helpie","type-pauple_helpie","status-publish","format-standard","hentry","helpdesk_category-air-purifiers","helpdesk_category-air-quality-monitors","helpdesk_category-protecting-yourself","helpie_tag-air-purifier","helpie_tag-air-quality-monitor","helpie_tag-effectiveness","helpie_tag-indoor-air-quality","helpie_tag-window"],"_links":{"self":[{"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/pauple_helpie\/5792","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\/7807"}],"replies":[{"embeddable":true,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/comments?post=5792"}],"version-history":[{"count":2,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/pauple_helpie\/5792\/revisions"}],"predecessor-version":[{"id":5794,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/pauple_helpie\/5792\/revisions\/5794"}],"wp:attachment":[{"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/media?parent=5792"}],"wp:term":[{"taxonomy":"helpdesk_category","embeddable":true,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/helpdesk_category?post=5792"},{"taxonomy":"helpie_tag","embeddable":true,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/helpie_tag?post=5792"},{"taxonomy":"helpie_add_tag","embeddable":true,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/helpie_add_tag?post=5792"},{"taxonomy":"helpie_up_tag","embeddable":true,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/helpie_up_tag?post=5792"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}