{"id":46015,"date":"2026-10-30T15:45:30","date_gmt":"2026-10-30T19:45:30","guid":{"rendered":"https:\/\/technewslit.com\/sciencebusiness\/?p=46015"},"modified":"2026-10-30T15:45:30","modified_gmt":"2026-10-30T19:45:30","slug":"ultrafine-particle-protection-requires-effective-air-purifiers","status":"publish","type":"post","link":"https:\/\/technewslit.com\/sciencebusiness\/?p=46015","title":{"rendered":"Ultrafine Particle Protection Requires Effective Air Purifiers"},"content":{"rendered":"

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\"Inspecting<\/a>
(National Heart, Lung, and Blood Institute, NIH)<\/figcaption><\/figure>\n

30 Oct. 2026. Particles of different materials floating in the air are a continuing public health threat. People with existing lung disorders are probably most at risk, but even vigorous healthy individuals can suffer ill effects from repeated exposures to airborne particles. Among these dangers are threats from ultrafine particles, those so small as to make measurement and control more difficult, yet still pose human health risks.<\/p>\n

In parts of the world without effect pollution controls, air in cities or near factories can be filled with soot, coarse particles floating in the air, which visibly affect air quality. When soot becomes heavy and mixes with high humidity, it forms smog, a cloud-like haze that hangs over populated areas until cleared out by wind or rain. Many of the first air quality laws were designed to combat soot and smog.<\/p>\n

At the other end of the scale are ultrafine particles, those less than one-tenth of a micrometer or micron<\/a> — 0.1 microns — in diameter. While most human defense mechanisms react to coarse airborne particles by coughing or sneezing, ultrafine particles are so small that they go largely unnoticed. Yet these particles when inhaled not only affect the lungs, but also pass through lung tissue into the blood stream, affecting organs and other body regions far from the lungs.<\/p>\n

According to research in the journal Experimental and Molecular Medicine<\/em><\/a>, published in 2020, ultrafine particles in the lungs can still cause coughing and exacerbate asthma, but when containing zinc oxide often emitted in welding, can also promote metal fume fever<\/a>, a flu-like illness. The research also shows ultrafine particles can cause dysfunctions in blood vessels and coagulation, linked to cardiovascular disease, hypertension, and cancer.<\/p>\n

Moreover, the authors say inhaled ultrafine particles can travel to the olfactory nerves used to sense odors that connect to the brain, affecting brain functioning and the nervous system. In addition, pregnant women exposed to ultrafine particles run a risk of low birthweight babies.<\/p>\n

People most at risk may need an air purification system to filter out ultrafine particles. A number of industry standards and rating systems have been developed over the years as threats of airborne particulates became better known, and affecting wider populations. Among the better known standards and rating systems are clean air delivery rate or CADR, developed by Association of Home Appliance Manufacturers, and high efficiency particulate air or HEPA that originates from nuclear bomb testing in the 1940s.<\/p>\n

HEPA is designed to filter out particles down to 0.3 microns in diameter, which still allows ultrafine particles of 0.1 microns or less to escape. The company IQAir created an air purifier<\/a> technology called HyperHEPA that the company says can filter particles down to 0.003 microns, a particle size smaller than most viruses. IQAir recommends that particle size be considered as a key variable, along with target pollutants for removal and fan speed, in selecting an air purifier.<\/p>\n

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People most at risk may need an air purification system to filter out ultrafine particles.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[31,86,95,64,77,131],"class_list":["post-46015","post","type-post","status-publish","format-standard","hentry","category-regulations","tag-biomedical","tag-engineering","tag-health-care","tag-life-sciences","tag-medical-device","tag-sponsoredguest-posts"],"_links":{"self":[{"href":"https:\/\/technewslit.com\/sciencebusiness\/index.php?rest_route=\/wp\/v2\/posts\/46015","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/technewslit.com\/sciencebusiness\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/technewslit.com\/sciencebusiness\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/technewslit.com\/sciencebusiness\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/technewslit.com\/sciencebusiness\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=46015"}],"version-history":[{"count":2,"href":"https:\/\/technewslit.com\/sciencebusiness\/index.php?rest_route=\/wp\/v2\/posts\/46015\/revisions"}],"predecessor-version":[{"id":46017,"href":"https:\/\/technewslit.com\/sciencebusiness\/index.php?rest_route=\/wp\/v2\/posts\/46015\/revisions\/46017"}],"wp:attachment":[{"href":"https:\/\/technewslit.com\/sciencebusiness\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=46015"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/technewslit.com\/sciencebusiness\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=46015"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/technewslit.com\/sciencebusiness\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=46015"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}