{"id":8931,"date":"2026-04-14T10:28:45","date_gmt":"2026-04-14T07:28:45","guid":{"rendered":"https:\/\/kotisydan.fi\/?p=8931"},"modified":"2026-04-15T09:41:08","modified_gmt":"2026-04-15T06:41:08","slug":"indoor-air-quality-home","status":"publish","type":"post","link":"https:\/\/kotisydan.fi\/en\/indoor-air-quality-home\/","title":{"rendered":"Fresh and Clean Indoor Air \u2013 The Key to Better Wellbeing"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"8931\" class=\"elementor elementor-8931\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-20135752 e-flex e-con-boxed e-con e-parent\" data-id=\"20135752\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-334d527e elementor-widget elementor-widget-text-editor\" data-id=\"334d527e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\n<p data-start=\"584\" data-end=\"841\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-6452 size-full\" src=\"https:\/\/kotisydan.fi\/wp-content\/uploads\/2026\/02\/ChatGPT-Image-Feb-1-2026-02_36_02-PM-1.png\" alt=\"\" width=\"1536\" height=\"1024\" srcset=\"https:\/\/kotisydan.fi\/wp-content\/uploads\/2026\/02\/ChatGPT-Image-Feb-1-2026-02_36_02-PM-1.png 1536w, https:\/\/kotisydan.fi\/wp-content\/uploads\/2026\/02\/ChatGPT-Image-Feb-1-2026-02_36_02-PM-1-300x200.png 300w, https:\/\/kotisydan.fi\/wp-content\/uploads\/2026\/02\/ChatGPT-Image-Feb-1-2026-02_36_02-PM-1-1024x683.png 1024w, https:\/\/kotisydan.fi\/wp-content\/uploads\/2026\/02\/ChatGPT-Image-Feb-1-2026-02_36_02-PM-1-768x512.png 768w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><\/p>\n<h2 class=\"wp-block-heading\" data-section-id=\"12jps7d\" data-start=\"299\" data-end=\"362\"><span role=\"text\"><strong data-start=\"302\" data-end=\"362\">Fresh and Clean Indoor Air \u2013 The Key to Better Wellbeing<\/strong><\/span><\/h2>\n<p data-start=\"364\" data-end=\"538\">As autumn turns into winter, the air outside becomes crisp and cold. Mornings feel sharper, daylight fades earlier, and the quiet hum of heating systems returns to our homes.<\/p>\n<p data-start=\"540\" data-end=\"631\">Evenings invite us to slow down \u2014 warm blankets, soft lighting, and a cup of something hot.<\/p>\n<p data-start=\"633\" data-end=\"767\">But at the same time, many begin to notice something else:<br \/>dry air, irritated eyes, or a lingering cough that doesn\u2019t seem to go away.<\/p>\n<p data-start=\"769\" data-end=\"852\">What causes these symptoms \u2014 and why do they often appear during the colder months?<\/p>\n<hr data-start=\"854\" data-end=\"857\" \/>\n<p data-start=\"859\" data-end=\"927\">\ud83d\udca1 <strong data-start=\"862\" data-end=\"876\">Read also:<\/strong> <a href=\"https:\/\/kotisydan.fi\/en-best-air-purifiers\/\">Best Air Purifiers 2026 \u2013 Top Picks for Every Home<\/a><\/p>\n<hr data-start=\"929\" data-end=\"932\" \/>\n<h2 data-section-id=\"vmt6bc\" data-start=\"934\" data-end=\"991\"><span role=\"text\"><strong data-start=\"937\" data-end=\"991\">Why Indoor Air Quality Matters More Than You Think<\/strong><\/span><\/h2>\n<p data-start=\"993\" data-end=\"1054\">Clean air is something we rarely notice \u2014 until it\u2019s missing.<\/p>\n<p data-start=\"1056\" data-end=\"1212\">When your home feels stuffy, your nose congested, or the air heavy, it\u2019s not always a cold.<br data-start=\"1147\" data-end=\"1150\" \/>More often, it\u2019s the quality of the air you breathe every day.<\/p>\n<p data-start=\"1214\" data-end=\"1374\">On average, we spend <strong data-start=\"1235\" data-end=\"1268\">up to 90% of our time indoors<\/strong>.<br data-start=\"1269\" data-end=\"1272\" \/>This makes indoor air one of the most important \u2014 yet often overlooked \u2014 factors in overall wellbeing.<\/p>\n<p data-start=\"1376\" data-end=\"1402\">Fresh indoor air supports:<\/p>\n<ul data-start=\"1403\" data-end=\"1464\">\n<li data-section-id=\"1g28lw4\" data-start=\"1403\" data-end=\"1419\">better focus<\/li>\n<li data-section-id=\"t8cku1\" data-start=\"1420\" data-end=\"1438\">improved sleep<\/li>\n<li data-section-id=\"18vi0dc\" data-start=\"1439\" data-end=\"1464\">overall energy levels<\/li>\n<\/ul>\n<p data-start=\"1466\" data-end=\"1605\">And while an air purifier can make a big difference, many factors start even earlier:<br \/>your home environment, textiles, and cleaning habits.<\/p>\n<hr data-start=\"1607\" data-end=\"1610\" \/>\n<h2 data-section-id=\"1o2wyfm\" data-start=\"1612\" data-end=\"1666\"><span role=\"text\"><strong data-start=\"1615\" data-end=\"1666\">Autumn &amp; Winter \u2013 Why Air Becomes Dry and Dusty<\/strong><\/span><\/h2>\n<p data-start=\"1668\" data-end=\"1759\">When temperatures drop and heating systems turn on, indoor humidity can fall below <strong data-start=\"1751\" data-end=\"1758\">30%<\/strong>.<\/p>\n<p data-start=\"1761\" data-end=\"1769\">Dry air:<\/p>\n<ul data-start=\"1770\" data-end=\"1841\">\n<li data-section-id=\"fht2a5\" data-start=\"1770\" data-end=\"1800\">irritates skin and airways<\/li>\n<li data-section-id=\"1nab26b\" data-start=\"1801\" data-end=\"1841\">allows dust to circulate more easily<\/li>\n<\/ul>\n<p data-start=\"1843\" data-end=\"1877\">And dust is not just \u201cgrey fluff\u201d.<\/p>\n<p data-start=\"1879\" data-end=\"1893\">It\u2019s a mix of:<\/p>\n<ul data-start=\"1894\" data-end=\"1993\">\n<li data-section-id=\"qfo0u4\" data-start=\"1894\" data-end=\"1912\">textile fibers<\/li>\n<li data-section-id=\"17kmrlj\" data-start=\"1913\" data-end=\"1934\">outdoor particles<\/li>\n<li data-section-id=\"1yaz7v5\" data-start=\"1935\" data-end=\"1949\">pet dander<\/li>\n<li data-section-id=\"15wpot8\" data-start=\"1950\" data-end=\"1960\">pollen<\/li>\n<li data-section-id=\"5ys8d\" data-start=\"1961\" data-end=\"1993\">even microscopic mold spores<\/li>\n<\/ul>\n<p data-start=\"1995\" data-end=\"2101\">Synthetic materials \u2014 like polyester curtains or acrylic fabrics \u2014 attract dust due to static electricity.<\/p>\n<p data-start=\"2103\" data-end=\"2217\">The more items and textiles in your home, the more surfaces dust can settle on \u2014 and eventually return to the air.<\/p>\n<hr data-start=\"2219\" data-end=\"2222\" \/>\n<h2 data-section-id=\"1pktuz3\" data-start=\"2224\" data-end=\"2278\"><span role=\"text\"><strong data-start=\"2227\" data-end=\"2278\">Spring \u2013 Allergies and Hidden Indoor Pollutants<\/strong><\/span><\/h2>\n<p data-start=\"2280\" data-end=\"2318\">Spring brings light \u2014 but also pollen.<\/p>\n<p data-start=\"2320\" data-end=\"2378\">Pollen doesn\u2019t stay outside.<br data-start=\"2348\" data-end=\"2351\" \/>It travels indoors through:<\/p>\n<ul data-start=\"2379\" data-end=\"2409\">\n<li data-section-id=\"1s6op7m\" data-start=\"2379\" data-end=\"2390\">clothes<\/li>\n<li data-section-id=\"1371wt6\" data-start=\"2391\" data-end=\"2399\">hair<\/li>\n<li data-section-id=\"1o6jnai\" data-start=\"2400\" data-end=\"2409\">shoes<\/li>\n<\/ul>\n<p data-start=\"2411\" data-end=\"2507\">Many are surprised to learn that indoor allergens are often <strong data-start=\"2471\" data-end=\"2506\">brought in, not created indoors<\/strong>.<\/p>\n<p data-start=\"2509\" data-end=\"2536\">Textiles play a major role:<\/p>\n<ul data-start=\"2537\" data-end=\"2678\">\n<li data-section-id=\"12q9xfz\" data-start=\"2537\" data-end=\"2581\">Bedding should be washed every 1\u20132 weeks<\/li>\n<li data-section-id=\"17yq91p\" data-start=\"2582\" data-end=\"2637\">Curtains and blankets collect large amounts of dust<\/li>\n<li data-section-id=\"1j9rahd\" data-start=\"2638\" data-end=\"2678\">Pillows and duvets need regular care<\/li>\n<\/ul>\n<p data-start=\"2680\" data-end=\"2783\">The combination of:<br \/>dry air + warmth + textiles<br data-start=\"2727\" data-end=\"2730\" \/>creates a perfect environment for airborne particles.<\/p>\n<hr data-start=\"2785\" data-end=\"2788\" \/>\n<h2 data-section-id=\"1mg8fsa\" data-start=\"2790\" data-end=\"2835\"><span role=\"text\"><strong data-start=\"2793\" data-end=\"2835\">Urban Living \u2013 Invisible Air Pollution<\/strong><\/span><\/h2>\n<p data-start=\"2837\" data-end=\"2889\">In cities, indoor air is affected by more than dust.<\/p>\n<p data-start=\"2891\" data-end=\"2917\">Common pollutants include:<\/p>\n<ul data-start=\"2918\" data-end=\"2982\">\n<li data-section-id=\"11tg9dq\" data-start=\"2918\" data-end=\"2944\">fine particles (PM2.5)<\/li>\n<li data-section-id=\"6f34i5\" data-start=\"2945\" data-end=\"2982\">VOCs (volatile organic compounds)<\/li>\n<\/ul>\n<p data-start=\"2984\" data-end=\"3000\">These come from:<\/p>\n<ul data-start=\"3001\" data-end=\"3067\">\n<li data-section-id=\"2y6did\" data-start=\"3001\" data-end=\"3012\">traffic<\/li>\n<li data-section-id=\"mu8x46\" data-start=\"3013\" data-end=\"3035\">building materials<\/li>\n<li data-section-id=\"8f9p0k\" data-start=\"3036\" data-end=\"3067\">furniture and home products<\/li>\n<\/ul>\n<p data-start=\"3069\" data-end=\"3155\">Even common household smells \u2014 like a new sofa or fresh paint \u2014 may contain VOC gases.<\/p>\n<p data-start=\"3157\" data-end=\"3250\">A good air purifier with a <strong data-start=\"3184\" data-end=\"3199\">HEPA filter<\/strong> can remove up to <strong data-start=\"3217\" data-end=\"3249\">99.95% of airborne particles<\/strong>.<\/p>\n<p data-start=\"3252\" data-end=\"3280\">But simple habits also help:<\/p>\n<ul data-start=\"3281\" data-end=\"3380\">\n<li data-section-id=\"obpd5l\" data-start=\"3281\" data-end=\"3312\">leave shoes at the entrance<\/li>\n<li data-section-id=\"ncc714\" data-start=\"3313\" data-end=\"3348\">reduce heavily scented products<\/li>\n<li data-section-id=\"x2k94f\" data-start=\"3349\" data-end=\"3380\">choose breathable materials<\/li>\n<\/ul>\n<hr data-start=\"3382\" data-end=\"3385\" \/>\n<h2 data-section-id=\"181dy7t\" data-start=\"3387\" data-end=\"3427\"><span role=\"text\"><strong data-start=\"3390\" data-end=\"3427\">Pet Homes \u2013 Keeping the Air Fresh<\/strong><\/span><\/h2>\n<p data-start=\"3429\" data-end=\"3485\">Pets bring warmth and joy \u2014 but also airborne particles.<\/p>\n<p data-start=\"3487\" data-end=\"3574\">Pet dander is extremely fine and stays in the air longer, especially in dry conditions.<\/p>\n<p data-start=\"3576\" data-end=\"3599\">To improve air quality:<\/p>\n<ul data-start=\"3600\" data-end=\"3715\">\n<li data-section-id=\"r3q8wx\" data-start=\"3600\" data-end=\"3646\">brush pets regularly (preferably outdoors)<\/li>\n<li data-section-id=\"u4ur69\" data-start=\"3647\" data-end=\"3687\">vacuum frequently (with HEPA filter)<\/li>\n<li data-section-id=\"6nygrl\" data-start=\"3688\" data-end=\"3715\">wash bedding more often<\/li>\n<\/ul>\n<p data-start=\"3717\" data-end=\"3799\">The amount of visible dust is often only a fraction of what\u2019s actually in the air.<\/p>\n<hr data-start=\"3801\" data-end=\"3804\" \/>\n<h2 data-section-id=\"dzgsp2\" data-start=\"3806\" data-end=\"3862\"><span role=\"text\"><strong data-start=\"3809\" data-end=\"3862\">Better Air in the Bedroom \u2013 Improve Sleep Quality<\/strong><\/span><\/h2>\n<p data-start=\"3864\" data-end=\"3918\">We breathe <strong data-start=\"3875\" data-end=\"3917\">thousands of liters of air every night<\/strong>.<\/p>\n<p data-start=\"3920\" data-end=\"3934\">If the air is:<\/p>\n<ul data-start=\"3935\" data-end=\"3974\">\n<li data-section-id=\"16bt5vr\" data-start=\"3935\" data-end=\"3942\">dry<\/li>\n<li data-section-id=\"1tdl21z\" data-start=\"3943\" data-end=\"3952\">dusty<\/li>\n<li data-section-id=\"khpbmv\" data-start=\"3953\" data-end=\"3974\">poorly ventilated<\/li>\n<\/ul>\n<p data-start=\"3976\" data-end=\"4027\">\u2026it can affect sleep, recovery, and overall energy.<\/p>\n<p data-start=\"4029\" data-end=\"4066\">A cleaner, fresher environment helps:<\/p>\n<ul data-start=\"4067\" data-end=\"4133\">\n<li data-section-id=\"1a2ik5g\" data-start=\"4067\" data-end=\"4083\">deeper sleep<\/li>\n<li data-section-id=\"1e2wnq9\" data-start=\"4084\" data-end=\"4113\">less nighttime irritation<\/li>\n<li data-section-id=\"1ger93v\" data-start=\"4114\" data-end=\"4133\">better recovery<\/li>\n<\/ul>\n<p data-start=\"4135\" data-end=\"4156\">Keep bedrooms simple:<\/p>\n<ul data-start=\"4157\" data-end=\"4220\">\n<li data-section-id=\"1naor7p\" data-start=\"4157\" data-end=\"4175\">fewer textiles<\/li>\n<li data-section-id=\"qemsio\" data-start=\"4176\" data-end=\"4203\">easy-to-clean materials<\/li>\n<li data-section-id=\"1q3rezn\" data-start=\"4204\" data-end=\"4220\">good airflow<\/li>\n<\/ul>\n<hr data-start=\"4222\" data-end=\"4225\" \/>\n<h2 data-section-id=\"1jmsw4b\" data-start=\"4227\" data-end=\"4268\"><span role=\"text\"><strong data-start=\"4230\" data-end=\"4268\">What Does \u201cClean Air\u201d Really Mean?<\/strong><\/span><\/h2>\n<p data-start=\"4270\" data-end=\"4324\">Clean air doesn\u2019t mean sterile or completely odorless.<\/p>\n<p data-start=\"4326\" data-end=\"4335\">It means:<\/p>\n<ul data-start=\"4336\" data-end=\"4424\">\n<li data-section-id=\"wmi4wn\" data-start=\"4336\" data-end=\"4363\">low levels of particles<\/li>\n<li data-section-id=\"19qdo67\" data-start=\"4364\" data-end=\"4394\">minimal dust and allergens<\/li>\n<li data-section-id=\"1xmr83f\" data-start=\"4395\" data-end=\"4424\">reduced chemical exposure<\/li>\n<\/ul>\n<p data-start=\"4426\" data-end=\"4466\">Four key factors define good indoor air:<\/p>\n<ol data-start=\"4468\" data-end=\"4535\">\n<li data-section-id=\"ipaeob\" data-start=\"4468\" data-end=\"4484\">Ventilation<\/li>\n<li data-section-id=\"1m4k7zw\" data-start=\"4485\" data-end=\"4498\">Cleaning<\/li>\n<li data-section-id=\"1kny9ls\" data-start=\"4499\" data-end=\"4513\">Materials<\/li>\n<li data-section-id=\"kujyhs\" data-start=\"4514\" data-end=\"4535\">Humidity balance<\/li>\n<\/ol>\n<p data-start=\"4537\" data-end=\"4566\">Ideal humidity:<br \/>\ud83d\udc49 <strong data-start=\"4556\" data-end=\"4566\">40\u201350%<\/strong><\/p>\n<p data-start=\"4568\" data-end=\"4601\">Too dry:<br \/>\u2192 dust circulates more<\/p>\n<p data-start=\"4603\" data-end=\"4640\">Too humid:<br \/>\u2192 risk of mold and odors<\/p>\n<hr data-start=\"4642\" data-end=\"4645\" \/>\n<h2 data-section-id=\"acmhay\" data-start=\"4647\" data-end=\"4687\"><span role=\"text\"><strong data-start=\"4650\" data-end=\"4687\">A Simple Way to Improve Your Home<\/strong><\/span><\/h2>\n<p data-start=\"4689\" data-end=\"4746\">\ud83d\udc49 One of the easiest upgrades is adding an air purifier.<\/p>\n<p data-start=\"4748\" data-end=\"4792\">You often notice the difference within days:<\/p>\n<ul data-start=\"4793\" data-end=\"4872\">\n<li data-section-id=\"gg2i2q\" data-start=\"4793\" data-end=\"4814\">air feels lighter<\/li>\n<li data-section-id=\"1jkadnd\" data-start=\"4815\" data-end=\"4843\">breathing becomes easier<\/li>\n<li data-section-id=\"l0gdkw\" data-start=\"4844\" data-end=\"4872\">overall comfort improves<\/li>\n<\/ul>\n<p data-start=\"4874\" data-end=\"4921\">It\u2019s a small change \u2014 but often a powerful one.<\/p>\n<hr data-start=\"4923\" data-end=\"4926\" \/>\n<h2 data-section-id=\"c3a5o\" data-start=\"4928\" data-end=\"4972\"><span role=\"text\"><strong data-start=\"4931\" data-end=\"4972\">Which Air Purifier Should You Choose?<\/strong><\/span><\/h2>\n<p data-start=\"4974\" data-end=\"5017\">Choosing the right air purifier depends on:<\/p>\n<ul data-start=\"5018\" data-end=\"5096\">\n<li data-section-id=\"8db9de\" data-start=\"5018\" data-end=\"5031\">room size<\/li>\n<li data-section-id=\"12434mb\" data-start=\"5032\" data-end=\"5075\">specific needs (allergies, pets, sleep)<\/li>\n<li data-section-id=\"1w6w2qv\" data-start=\"5076\" data-end=\"5096\">desired features<\/li>\n<\/ul>\n<p data-start=\"5098\" data-end=\"5149\">\ud83d\udc49 <strong data-start=\"5101\" data-end=\"5149\">If you want a safe, reliable starting point:<\/strong><\/p>\n<p data-start=\"5151\" data-end=\"5219\">\u2714 Levoit Core 300 is one of the most balanced options for most homes<\/p>\n<hr data-start=\"5221\" data-end=\"5224\" \/>\n<p data-start=\"5226\" data-end=\"5316\">\ud83d\udc49 <strong data-start=\"5229\" data-end=\"5263\">Read the full comparison here:<\/strong><br data-start=\"5263\" data-end=\"5266\" \/><a href=\"https:\/\/kotisydan.fi\/en-best-air-purifiers\/\">Best Air Purifiers 2026 \u2013 Top Picks for Every Home<\/a><\/p>\n<p>\u00a0<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7ba9277 e-flex e-con-boxed e-con e-parent\" data-id=\"7ba9277\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5d65d40 elementor-widget elementor-widget-text-editor\" data-id=\"5d65d40\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"381\" data-end=\"540\">\u00a0<\/p>\n<article class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [&amp;:has([data-writing-block])&gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" tabindex=\"-1\" data-turn-id=\"465bd3e8-a600-441c-8f2e-14683af453d5\" data-testid=\"conversation-turn-122\" data-scroll-anchor=\"true\" data-turn=\"assistant\">\n<div class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] thread-sm:[--thread-content-margin:--spacing(6)] thread-lg:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\">\n<div class=\"[--thread-content-max-width:40rem] thread-lg:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\">\n<div class=\"flex max-w-full flex-col grow\">\n<div class=\"border-token-border-sharp dark:border-token-main-surface-secondary @container relative mb-4 flex cursor-text flex-col items-start overflow-hidden rounded-[14px] border p-4 shadow-md contain-inline-size mx-[-16px] sm:mx-[-32px] sm:rounded-[28px] sm:p-8\">\n<div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+&amp;]:mt-1\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"edcd5806-c436-4a8d-8259-d8dfc1badb20\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\">\n<div class=\"markdown prose dark:prose-invert w-full break-words dark deep-research-result markdown-new-styling\">\n<h1 data-section-id=\"1t0w4xt\" data-start=\"248\" data-end=\"295\"><span role=\"text\">\ud83d\udcda <strong data-start=\"253\" data-end=\"295\">Sources &amp; Further Reading\u00a0<\/strong><\/span><\/h1>\n<p data-section-id=\"zngezq\" data-start=\"297\" data-end=\"350\">1.<strong> Harvard<\/strong> \u2013 Indoor Air &amp; Cognitive Performance<\/p>\n<p data-section-id=\"zngezq\" data-start=\"297\" data-end=\"350\"><a class=\"decorated-link cursor-pointer\" href=\"https:\/\/news.harvard.edu\/gazette\/wp-content\/uploads\/2015\/10\/ehp.1510037.acco.pdf\" target=\"_new\" rel=\"noopener\" data-start=\"398\" data-end=\"497\">https:\/\/news.harvard.edu\/gazette\/story\/2015\/10\/the-impact-of-green-buildings-on-cognitive-function\/<\/a><\/p>\n<p data-section-id=\"zngezq\" data-start=\"297\" data-end=\"350\">2.<strong data-start=\"673\" data-end=\"703\"> NASA \u2013 Clean Air Study:<\/strong> <em data-start=\"704\" data-end=\"777\">A <a href=\"https:\/\/ntrs.nasa.gov\/citations\/19930072988#:~:text=A%20Study%20of%20Interior%20Landscape,organic%20chemicals%20from%20indoor%20air\">Study of Interior Landscape Plants for Indoor Air Pollution Abatement<\/a><\/em>\u00a0<\/p>\n<p data-section-id=\"zngezq\" data-start=\"297\" data-end=\"350\"><strong data-start=\"864\" data-end=\"949\">3. Harvard T.H. Chan School \u2013 (Allen et al., 2016):<\/strong> <em data-start=\"950\" data-end=\"1010\">Green offices linked with higher cognitive function scores<\/em> (Harvard Gazette <span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"><a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium transition-colors duration-150 ease-in-out text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" href=\"https:\/\/news.harvard.edu\/gazette\/story\/newsplus\/green-offices-linked-with-higher-cognitive-function-scores\/#:~:text=People%20who%20work%20in%20well,Medical%20University%2C%20and%20Syracuse%20University\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">news.harvard.edu<\/span><\/span><\/span><\/a><\/span><\/span><span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"><a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium transition-colors duration-150 ease-in-out text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" href=\"https:\/\/news.harvard.edu\/gazette\/story\/newsplus\/green-offices-linked-with-higher-cognitive-function-scores\/#:~:text=adversely%20affecting%20cognitive%20function%20%E2%80%94,cognitive%20function%20performance%20of%20workers\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">news.harvard.edu<\/span><\/span><\/span><\/a><\/span><\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"flex items-center gap-2 py-2\">\n<div class=\"flex flex-row-reverse\">\n<p class=\"border-token-main-surface-primary bg-token-main-surface-primary flex items-center overflow-hidden rounded-full -ms-1 first:me-0 border-2 group-hover\/footnote:border-token-main-surface-secondary relative\">\u00a0<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/article>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Fresh and Clean Indoor Air \u2013 The Key to Better Wellbeing As autumn turns into winter, the air outside becomes crisp and cold. Mornings feel sharper, daylight fades earlier, and the quiet hum of heating systems returns to our homes. Evenings invite us to slow down \u2014 warm blankets, soft lighting, and a cup of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3083,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Indoor Air Quality at Home \u2013 How to Improve Air and Wellbeing","_seopress_titles_desc":"Struggling with dry air or dust at home? Learn how to improve indoor air quality and create a healthier, fresher living environment.","_seopress_robots_index":"","footnotes":""},"categories":[238,321],"tags":[],"class_list":["post-8931","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-air-comfort","category-home-en"],"acf":[],"_links":{"self":[{"href":"https:\/\/kotisydan.fi\/en\/wp-json\/wp\/v2\/posts\/8931","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kotisydan.fi\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kotisydan.fi\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kotisydan.fi\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kotisydan.fi\/en\/wp-json\/wp\/v2\/comments?post=8931"}],"version-history":[{"count":0,"href":"https:\/\/kotisydan.fi\/en\/wp-json\/wp\/v2\/posts\/8931\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kotisydan.fi\/en\/wp-json\/wp\/v2\/media\/3083"}],"wp:attachment":[{"href":"https:\/\/kotisydan.fi\/en\/wp-json\/wp\/v2\/media?parent=8931"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kotisydan.fi\/en\/wp-json\/wp\/v2\/categories?post=8931"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kotisydan.fi\/en\/wp-json\/wp\/v2\/tags?post=8931"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}