{"id":15772,"date":"2021-03-31T04:24:58","date_gmt":"2021-03-30T20:24:58","guid":{"rendered":"https:\/\/smartairfilters.com\/en\/?p=15772"},"modified":"2024-05-24T11:49:10","modified_gmt":"2024-05-24T03:49:10","slug":"does-a-wet-mask-decrease-its-effectiveness","status":"publish","type":"post","link":"https:\/\/smartairfilters.com\/en\/blog\/does-a-wet-mask-decrease-its-effectiveness\/","title":{"rendered":"Are Wet Masks Less Effective?"},"content":{"rendered":"<p>Does a wet mask still work? If your mask is slightly wet, how does this wetness and humidity affect its performance? Fortunately, scientists have tested the effectiveness of wet masks.<\/p>\n\n\n\n<p><a href=\"https:\/\/journals.plos.org\/plosone\/article?id=10.1371%2Fjournal.pone.0002618\">Researchers tested<\/a> the performance of new and \u201cwet\u201d masks. They asked 22 people to wear either a DIY cloth mask, a surgical mask, or an N95 mask for three hours. They tested the masks at the start (new) and the participants wore them for three hours (and presumably added lots of condensation). <\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"500\" height=\"504\" src=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/DIY-Mask-Fit-Testing-Wide.jpg\" alt=\"Mask Test\" class=\"wp-image-15774\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/DIY-Mask-Fit-Testing-Wide.jpg 500w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/DIY-Mask-Fit-Testing-Wide-298x300.jpg 298w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/DIY-Mask-Fit-Testing-Wide-100x100.jpg 100w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<p>They ran fit tests, which measure how many particles are inside the mask versus outside the mask <strong>while a person is actually wearing<\/strong> <strong>the mask<\/strong>. Here\u2019s me doing a fit test. <\/p>\n\n\n<div class=\"wp-block-image is-resized\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"485\" height=\"323\" src=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/Thomas-Mask-Fit-Test-EN.png\" alt=\"Mask test\" class=\"wp-image-15775\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/Thomas-Mask-Fit-Test-EN.png 485w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/Thomas-Mask-Fit-Test-EN-300x200.png 300w\" sizes=\"(max-width: 485px) 100vw, 485px\" \/><\/figure><\/div>\n\n\n<p><\/p>\n\n\n\n<p>Do masks become less effective after getting all wet and humid? The DIY mask actually became slightly <strong>more<\/strong> effective. <\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"2208\" height=\"1510\" src=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/Do-wetness-and-humidity-decrease-mask-effectiveness-1.jpg\" alt=\"Wet Mask Effectiveness\" class=\"wp-image-15776\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/Do-wetness-and-humidity-decrease-mask-effectiveness-1.jpg 2208w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/Do-wetness-and-humidity-decrease-mask-effectiveness-1-600x410.jpg 600w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/Do-wetness-and-humidity-decrease-mask-effectiveness-1-1024x700.jpg 1024w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/Do-wetness-and-humidity-decrease-mask-effectiveness-1-300x205.jpg 300w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/Do-wetness-and-humidity-decrease-mask-effectiveness-1-768x525.jpg 768w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/Do-wetness-and-humidity-decrease-mask-effectiveness-1-1536x1050.jpg 1536w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/Do-wetness-and-humidity-decrease-mask-effectiveness-1-2048x1401.jpg 2048w\" sizes=\"(max-width: 2208px) 100vw, 2208px\" \/><\/figure>\n\n\n\n<p>Wetness and humidity had basically no effect on the surgical mask. <\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2220\" height=\"1504\" src=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/Do-wetness-and-humidity-decrease-mask-effectiveness-2-1.jpg\" alt=\"Wet Mask Effectiveness\" class=\"wp-image-15778\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/Do-wetness-and-humidity-decrease-mask-effectiveness-2-1.jpg 2220w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/Do-wetness-and-humidity-decrease-mask-effectiveness-2-1-600x406.jpg 600w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/Do-wetness-and-humidity-decrease-mask-effectiveness-2-1-1024x694.jpg 1024w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/Do-wetness-and-humidity-decrease-mask-effectiveness-2-1-300x203.jpg 300w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/Do-wetness-and-humidity-decrease-mask-effectiveness-2-1-768x520.jpg 768w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/Do-wetness-and-humidity-decrease-mask-effectiveness-2-1-1536x1041.jpg 1536w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/Do-wetness-and-humidity-decrease-mask-effectiveness-2-1-2048x1387.jpg 2048w\" sizes=\"(max-width: 2220px) 100vw, 2220px\" \/><\/figure>\n\n\n\n<p>Wetness and humidity might have decreased the effectiveness of the N95 mask, but the difference was small and could be in the margin of error.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2238\" height=\"1498\" src=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/Do-wetness-and-humidity-decrease-mask-effectiveness-3.jpg\" alt=\"Wet Mask Effectiveness\" class=\"wp-image-15779\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/Do-wetness-and-humidity-decrease-mask-effectiveness-3.jpg 2238w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/Do-wetness-and-humidity-decrease-mask-effectiveness-3-600x402.jpg 600w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/Do-wetness-and-humidity-decrease-mask-effectiveness-3-1024x685.jpg 1024w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/Do-wetness-and-humidity-decrease-mask-effectiveness-3-300x201.jpg 300w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/Do-wetness-and-humidity-decrease-mask-effectiveness-3-768x514.jpg 768w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/Do-wetness-and-humidity-decrease-mask-effectiveness-3-1536x1028.jpg 1536w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/Do-wetness-and-humidity-decrease-mask-effectiveness-3-2048x1371.jpg 2048w\" sizes=\"(max-width: 2238px) 100vw, 2238px\" \/><\/figure>\n\n\n\n<p>One caveat is the tests were done on masks wet due to breathing condensation. A mask with exposure to much more moisture (such as rain) may have different results.<\/p>\n\n\n\n<p><a href=\"https:\/\/smartairfilters.com\/en\/blog\/how-long-air-pollution-masks-last-lifespan-data\/\">Read more: How long do N95 masks last?<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\">Does Wearing a Mask Help with Dry Air?<\/h2>\n\n\n\n<p>A <a href=\"https:\/\/www.nih.gov\/news-events\/news-releases\/researchers-propose-humidity-masks-may-lessen-severity-covid-19#:~:text=Measurements%20were%20taken%20at%20three,of%20all%20masks%20greatly%20increased.\">study<\/a> tested the humidity levels of exhaled breath while wearing four types of masks: an N95, a three-ply disposable surgical mask, a two-ply cotton-polyester mask, and a heavy cotton mask. Researchers measured humidity by having a volunteer breathe into a sealed steel box. <\/p>\n\n\n\n<p>Without a mask, humidity quickly rose due to water vapor filling the box. With masks, humidity buildup was reduced as water vapor condensed in the mask and was re-inhaled. Masks were tightly fitted to prevent leakage, and measurements were taken at temperatures from 46 to 98 degrees Fahrenheit. All masks increased the humidity of inhaled air, especially at lower temperatures, with the heavy cotton mask causing the most humidity.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.nih.gov\/news-events\/news-releases\/researchers-propose-humidity-masks-may-lessen-severity-covid-19#:~:text=Measurements%20were%20taken%20at%20three,of%20all%20masks%20greatly%20increased.\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2024\/05\/image-33-1024x576.png\" alt=\"Does Wearing a Mask Help with Dry Air?\" class=\"wp-image-31237\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2024\/05\/image-33-1024x576.png 1024w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2024\/05\/image-33-600x338.png 600w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2024\/05\/image-33-300x169.png 300w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2024\/05\/image-33-768x432.png 768w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2024\/05\/image-33.png 1157w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">Source: NIH<\/figcaption><\/figure>\n\n\n<div class='bottom-line'><div class='bottom-line-top'>Bottom Line<\/div><div class='bottom-line-title'>Bottom Line<\/div><div class='bottom-line-content'>\nMoisture and condensation had very little impact on effectiveness for any of the masks. If anything, the cloth masks actually captured about 6% more virus-sized particles after 3 hours.\n<\/div><div class='bottom-line-last'>Smart Air<\/div><\/div>\n\n\n\n<p>Breathe safe!<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\">WHAT NEXT?<\/h2>\n\n\n\n<p>Along with wearing masks, air purifiers with HEPA filters are also one of the best ways to stay safe from a variety of pollutants in our air including viruses and dangerous PM2.5. A recent CDC study confirmed significantly <a href=\"https:\/\/smartairfilters.com\/en\/blog\/cdc-study-hepa-air-purifiers-reduced-covid-19-virus-spread-schools\/\">lower COVID-19 infection rates in schools<\/a> that used HEPA air purifiers. HEPA filters can significantly <strong>lower the risk of a variety of deadly diseases<\/strong> including diabetes, heart disease, cancer, and high blood pressure.<\/p>\n\n\n\n<p><a href=\"https:\/\/smartairfilters.com\/en\/blog\/four-steps-to-choosing-the-best-air-purifier\/\">Read More: Four Steps to Choosing the Best Air Purifier<\/a><\/p>\n\n\n\n<p>Smart Air is a certified B Corp committed to combating the myths big companies use to inflate the price of clean air.<\/p>\n\n\n\n<p id=\"block-ca39512a-577d-40c9-829a-36731407238f\"><strong>Experience breathing truly clean air<\/strong> with gimmick-free, effective air purifiers that won&#8217;t break the bank. Join the clean air movement.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"500\" src=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2023\/11\/CLEAN-AIR.jpg\" alt=\"\" class=\"wp-image-28073\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2023\/11\/CLEAN-AIR.jpg 900w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2023\/11\/CLEAN-AIR-600x333.jpg 600w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2023\/11\/CLEAN-AIR-300x167.jpg 300w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2023\/11\/CLEAN-AIR-768x427.jpg 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/figure><\/div>\n\n<div class=\"gb-button-wrapper gb-button-wrapper-017c568a\">\n\n<a class=\"gb-button gb-button-e405a36e gb-button-text\" href=\"https:\/\/smartairfilters.com\/en\/product\/sqair-air-purifier\/\">Check out the Sqair!<\/a>\n\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Does a wet mask still work? If your mask is slightly wet, how does this wetness and humidity affect its performance? Fortunately, scientists have tested the effectiveness of wet masks. Researchers tested the performance of new and \u201cwet\u201d masks. They asked 22 people to wear either a DIY cloth mask, &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Are Wet Masks Less Effective?\" class=\"read-more button\" href=\"https:\/\/smartairfilters.com\/en\/blog\/does-a-wet-mask-decrease-its-effectiveness\/#more-15772\" aria-label=\"Read more about Are Wet Masks Less Effective?\">Read more<\/a><\/p>\n","protected":false},"author":1035,"featured_media":31245,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_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":"18283,10248,9693,10649,9714,9858","_relevanssi_noindex_reason":"","footnotes":""},"categories":[17,187],"tags":[522,477],"class_list":["post-15772","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-air-pollution","category-masks","tag-n95-masks","tag-re-use-masks","resize-featured-image"],"acf":[],"_links":{"self":[{"href":"https:\/\/smartairfilters.com\/en\/wp-json\/wp\/v2\/posts\/15772","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/smartairfilters.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/smartairfilters.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/smartairfilters.com\/en\/wp-json\/wp\/v2\/users\/1035"}],"replies":[{"embeddable":true,"href":"https:\/\/smartairfilters.com\/en\/wp-json\/wp\/v2\/comments?post=15772"}],"version-history":[{"count":16,"href":"https:\/\/smartairfilters.com\/en\/wp-json\/wp\/v2\/posts\/15772\/revisions"}],"predecessor-version":[{"id":31244,"href":"https:\/\/smartairfilters.com\/en\/wp-json\/wp\/v2\/posts\/15772\/revisions\/31244"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/smartairfilters.com\/en\/wp-json\/wp\/v2\/media\/31245"}],"wp:attachment":[{"href":"https:\/\/smartairfilters.com\/en\/wp-json\/wp\/v2\/media?parent=15772"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/smartairfilters.com\/en\/wp-json\/wp\/v2\/categories?post=15772"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/smartairfilters.com\/en\/wp-json\/wp\/v2\/tags?post=15772"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}