The data analysis we have done for Beijing, Guangzhou, Shanghai, Shenyang, and Chengdu in 2015 says it\u2019s the afternoon\u2013right around rush hour\u2013that PM2.5 is the lowest. So if you’re planning a picnic or insist on exercising outside, you’re usually best off between noon and 6pm.<\/p>\n\n\n\n
Read more: what time of day is pollution and PM2.5 the lowest? \u00bb<\/a><\/p>\n Knowledge Base Air Quality Information What Time of Day Is PM2.5 the Lowest? The data analysis we have done for Beijing, Guangzhou, Shanghai, Shenyang, and Chengdu in 2015 says it\u2019s the afternoon\u2013right around rush hour\u2013that PM2.5 is the lowest. So if you’re planning a picnic or insist on … 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":[851,847,848,147,165,539,849,850,853],"helpie_add_tag":[],"helpie_up_tag":[],"class_list":["post-4345","pauple_helpie","type-pauple_helpie","status-publish","format-standard","hentry","helpdesk_category-air-quality-information","helpie_tag-and-chengdu","helpie_tag-beijing","helpie_tag-guangzhou","helpie_tag-level","helpie_tag-pm2-5","helpie_tag-pollution","helpie_tag-shanghai","helpie_tag-shenyang","helpie_tag-what-time"],"_links":{"self":[{"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/pauple_helpie\/4345","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=4345"}],"version-history":[{"count":4,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/pauple_helpie\/4345\/revisions"}],"predecessor-version":[{"id":5985,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/pauple_helpie\/4345\/revisions\/5985"}],"wp:attachment":[{"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/media?parent=4345"}],"wp:term":[{"taxonomy":"helpdesk_category","embeddable":true,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/helpdesk_category?post=4345"},{"taxonomy":"helpie_tag","embeddable":true,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/helpie_tag?post=4345"},{"taxonomy":"helpie_add_tag","embeddable":true,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/helpie_add_tag?post=4345"},{"taxonomy":"helpie_up_tag","embeddable":true,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/helpie_up_tag?post=4345"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}