{"id":14195,"date":"2021-02-19T08:29:49","date_gmt":"2021-02-19T00:29:49","guid":{"rendered":"https:\/\/smartairfilters.com\/?p=14195"},"modified":"2021-05-10T16:59:42","modified_gmt":"2021-05-10T08:59:42","slug":"did-delhis-air-quality-improve-in-2020","status":"publish","type":"post","link":"https:\/\/smartairfilters.com\/en\/blog\/did-delhis-air-quality-improve-in-2020\/","title":{"rendered":"Did Delhi&#8217;s Air Quality Improve in 2020?"},"content":{"rendered":"<p>How was Delhi&#8217;s air quality in 2020? Did Delhi&#8217;s air quality improve in 2020 compared to recent years? For the previous three years, Delhi has seen little improvement in air quality. Air pollution levels have hovered around 10x the <span>World Health Organization\u2019s (WHO)<\/span> <a href=\"https:\/\/www.who.int\/news-room\/fact-sheets\/detail\/ambient-(outdoor)-air-quality-and-health\">recommended limit<\/a> for PM2.5 levels. Smart Air dove into the data to see if this trend has changed.<\/p>\n\n\n\n<h3 class=\"has-text-align-center wp-block-heading\">WATCH: Fixing India&#8217;s Air Pollution Problem<\/h3>\n\n\n<figure class=\"wp-block-embed-youtube wp-block-embed is-type-video is-provider-youtube  lyte-align aligncenter\"><div class=\"lyte-wrapper\" title=\"Fixing India&amp;#039;s Air Pollution Problem | Smart Air in India\" style=\"width:640px;max-width:100%;margin:5px auto;\"><div class=\"lyMe hidef\" id=\"WYL_ix9c5Oe4kAY\" itemprop=\"video\" itemscope itemtype=\"https:\/\/schema.org\/VideoObject\"><div><meta itemprop=\"thumbnailUrl\" content=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/plugins\/wp-youtube-lyte\/lyteCache.php?origThumbUrl=https%3A%2F%2Fi.ytimg.com%2Fvi%2Fix9c5Oe4kAY%2Fmaxresdefault.jpg\" \/><meta itemprop=\"embedURL\" content=\"https:\/\/www.youtube.com\/embed\/ix9c5Oe4kAY\" \/><meta itemprop=\"duration\" content=\"PT4M11S\" \/><meta itemprop=\"uploadDate\" content=\"2020-10-05T08:12:42Z\" \/><\/div><meta itemprop=\"accessibilityFeature\" content=\"captions\" \/><div id=\"lyte_ix9c5Oe4kAY\" data-src=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/plugins\/wp-youtube-lyte\/lyteCache.php?origThumbUrl=https%3A%2F%2Fi.ytimg.com%2Fvi%2Fix9c5Oe4kAY%2Fmaxresdefault.jpg\" class=\"pL\"><div class=\"tC\"><div class=\"tT\" itemprop=\"name\">Fixing India&#039;s Air Pollution Problem | Smart Air in India<\/div><\/div><div class=\"play\"><\/div><div class=\"ctrl\"><div class=\"Lctrl\"><\/div><div class=\"Rctrl\"><\/div><\/div><\/div><noscript><a href=\"https:\/\/youtu.be\/ix9c5Oe4kAY\" rel=\"nofollow\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/plugins\/wp-youtube-lyte\/lyteCache.php?origThumbUrl=https%3A%2F%2Fi.ytimg.com%2Fvi%2Fix9c5Oe4kAY%2F0.jpg\" alt=\"Fixing India&amp;#039;s Air Pollution Problem | Smart Air in India\" width=\"640\" height=\"340\" \/><br \/>Watch this video on YouTube<\/a><\/noscript><meta itemprop=\"description\" content=\"Listen to Smart Air founder, Thomas Talheim share his experience with air pollution in Delhi and why he started Smart Air to protect people through simple, no-nonsense, affordable air purifiers and open data. Featured Article: \ud83d\udc49 https:\/\/smartairfilters.com\/en\/blog\/how-to-make-diy-air-purifier\/ Smart Air is a social enterprise dedicated to helping people protect themselves from the harms of air pollution through education and low-cost purifiers. \u2022 Subscribe: https:\/\/www.youtube.com\/SmartAirFilters \u2022 LinkedIn: https:\/\/www.linkedin.com\/company\/smart-air-filters\/ \u2022 Facebook: https:\/\/www.facebook.com\/smartairfilters \u2022 Twitter: https:\/\/twitter.com\/SmartAirFilters \u2022 Instagram: https:\/\/www.instagram.com\/smartairfilters\/ \u2022 Volunteer: https:\/\/smartairfilters.com\/en\/volunteer-at-smart-air\/ \u2022 Shop: https:\/\/smartairfilters.com\/en\/shop\/ For business enquiries, email us directly at info@smartairfilters.com.\"><\/div><\/div><div class=\"lL\" style=\"max-width:100%;width:640px;margin:5px auto;\"><br\/><span class=\"lyte_disclaimer\">Subscribe to <a href=\"https:\/\/www.youtube.com\/smartairfilters?sub_confirmation=1\">Smart Air on YouTube<\/a> <img decoding=\"async\" src=\"https:\/\/smartairfilters.com\/images\/smartair_youtube.ico\" alt=\"Smart Air Youtube\"\/><\/span><\/div><figcaption><\/figcaption><\/figure>\n\n\n<h2 class=\"gb-headline gb-headline-8a70b287 gb-headline-text\">Results: Did Delhi&#8217;s Air Quality Improve in 2020?<\/h2>\n\n\n\n<p class=\"p1\"><span>After analyzing Delhi\u2019s air quality data from the US Embassy, Smart Air found that air pollution fell 19% in 2020 compared to 2019. Despite this improvement, Delhi still averaged over 8 times the World Health Organization\u2019s annual air quality limit, making it one of the most polluted cities in the world. <\/span><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/02\/Delhi-Air-Quality-2019-vs-2020-1024x576.png\" alt=\"Delhi Air Quality 2019 vs 2020\" class=\"wp-image-15272\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/02\/Delhi-Air-Quality-2019-vs-2020-1024x576.png 1024w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/02\/Delhi-Air-Quality-2019-vs-2020-600x338.png 600w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/02\/Delhi-Air-Quality-2019-vs-2020-300x169.png 300w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/02\/Delhi-Air-Quality-2019-vs-2020-768x432.png 768w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/02\/Delhi-Air-Quality-2019-vs-2020.png 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"p1\"><span>Delhi started 2020 on the wrong foot when air quality spiked in January. Most of Delhi\u2019s reduction in air pollution came <a href=\"https:\/\/smartairfilters.com\/en\/blog\/delhi-pm25-air-pollution-decrease-coronavirus\/\">during the COVID-19 lockdown<\/a>, with better air quality from March through August. <\/span><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/02\/Delhi-2019-vs-2020-1.png\" alt=\"Delhi's air quality and pollution 2020 vs 2019\" class=\"wp-image-14210\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/02\/Delhi-2019-vs-2020-1.png 1280w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/02\/Delhi-2019-vs-2020-1-600x338.png 600w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/02\/Delhi-2019-vs-2020-1-1024x576.png 1024w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/02\/Delhi-2019-vs-2020-1-300x169.png 300w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/02\/Delhi-2019-vs-2020-1-768x432.png 768w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/figure><\/div>\n\n\n\n<p class=\"p1\"><span>Delhi\u2019s pollution levels <a href=\"https:\/\/smartairfilters.com\/en\/blog\/why-air-quality-pm25-india-worse-winter\/\">peak during winter<\/a> with PM2.5 typically rising in October, and pollution levels remain high until March of the next year. <\/span><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/02\/Delhi-Winter-PM2.5.png\" alt=\"Delhi and India's pollution gets worse in the winter\" class=\"wp-image-14198\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/02\/Delhi-Winter-PM2.5.png 1280w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/02\/Delhi-Winter-PM2.5-600x338.png 600w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/02\/Delhi-Winter-PM2.5-1024x576.png 1024w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/02\/Delhi-Winter-PM2.5-300x169.png 300w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/02\/Delhi-Winter-PM2.5-768x432.png 768w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/figure><\/div>\n\n\n\n<p class=\"p1\"><span>Progress or not, air quality data from 2020 shows that Delhi still takes the crown for the most polluted among India\u2019s major cities. <\/span><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"887\" height=\"544\" src=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/Indian-Cities-Air-Quality-2020.png\" alt=\"Indian Cities Air Quality 2020\" class=\"wp-image-15187\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/Indian-Cities-Air-Quality-2020.png 887w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/Indian-Cities-Air-Quality-2020-600x368.png 600w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/Indian-Cities-Air-Quality-2020-300x184.png 300w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/03\/Indian-Cities-Air-Quality-2020-768x471.png 768w\" sizes=\"(max-width: 887px) 100vw, 887px\" \/><\/figure>\n\n\n\n<p>The analysis is based on <a href=\"https:\/\/www.quora.com\/What-is-the-difference-between-PM2-5-and-PM10-with-respect-to-the-atmospheric-pollutants\/answer\/Thomas-Talhelm\">PM2.5 air pollution<\/a>, particles smaller than 2.5 microns in diameter. These particles can penetrate deep into the lungs and even enter the bloodstream. Studies have found that PM2.5 <a href=\"https:\/\/twitter.com\/SmartAirFilters\/status\/1065696348144455680\">raises blood pressure<\/a>, <a href=\"https:\/\/smartairfilters.com\/en\/blog\/35-college-students-purifier-health-effects\/\">inflammation<\/a>, and <a href=\"https:\/\/smartairfilters.com\/en\/blog\/smogdoesntkilllikeyouthinkitdoes\/\">rates of heart attacks and strokes.<\/a><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"1379\" height=\"963\" src=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2019\/05\/1.-hair.jpg\" alt=\"\" class=\"wp-image-8023\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2019\/05\/1.-hair.jpg 1379w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2019\/05\/1.-hair-300x209.jpg 300w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2019\/05\/1.-hair-768x536.jpg 768w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2019\/05\/1.-hair-1024x715.jpg 1024w\" sizes=\"(max-width: 1379px) 100vw, 1379px\" \/><\/figure><\/div>\n\n\n\n<p class=\"p1\"><span>The US Embassy data is open for researchers, although it is limited. It comes from only one pollution sensor in the city, and pollution can vary between neighborhoods. <\/span><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"288\" src=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/02\/delhi.jpg\" alt=\"\" class=\"wp-image-14200\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/02\/delhi.jpg 512w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2021\/02\/delhi-300x169.jpg 300w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/figure><\/div>\n\n\n\n<hr class=\"wp-block-separator is-style-wide\" \/>\n\n\n\n<p class=\"has-text-align-left\"><strong>How I Protect Myself<\/strong><\/p>\n\n\n\n<p><span>Despite the harms of PM2.5, studies have found that <a href=\"https:\/\/smartairfilters.com\/en\/blog\/masks-for-coronavirus-may-be-lowering-blood-pressure-for-millions\/\">wearing masks prevents physiological harm<\/a> to the body. Also using air purifiers in your home have been shown to have <a href=\"https:\/\/smartairfilters.com\/en\/blog\/35-college-students-purifier-health-effects\/\">positive effects on blood pressure, inflammation, and immune response<\/a>.<\/span><\/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>Smart Air provides<span>&nbsp;<\/span><a href=\"https:\/\/smartairfilters.com\/data\">empirically backed<\/a>, no-nonsense purifiers and masks, that remove the same particles as the big companies for a fraction of the cost. Only corporations benefit when clean air is a luxury.<\/p>\n\n\n\n<p><a href=\"https:\/\/smartairfilters.com\/product\/sqair-air-purifier\/\">Check out the Sqair!<\/a><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/smartairfilters.com\/product\/sqair-air-purifier\/\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"299\" src=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-10-29-at-6.09.45-PM-600x299.png\" alt=\"Sqair Air Purifier\" class=\"wp-image-12465\" srcset=\"https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-10-29-at-6.09.45-PM-600x299.png 600w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-10-29-at-6.09.45-PM-1024x509.png 1024w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-10-29-at-6.09.45-PM-300x149.png 300w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-10-29-at-6.09.45-PM-768x382.png 768w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-10-29-at-6.09.45-PM-1536x764.png 1536w, https:\/\/smartairfilters.com\/wordpress\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-10-29-at-6.09.45-PM.png 2038w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><\/figure><\/div>","protected":false},"excerpt":{"rendered":"<p>How was Delhi&#8217;s air quality in 2020? Did Delhi&#8217;s air quality improve in 2020 compared to recent years? For the previous three years, Delhi has seen little improvement in air quality. Air pollution levels have hovered around 10x the World Health Organization\u2019s (WHO) recommended limit for PM2.5 levels. Smart Air &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Did Delhi&#8217;s Air Quality Improve in 2020?\" class=\"read-more button\" href=\"https:\/\/smartairfilters.com\/en\/blog\/did-delhis-air-quality-improve-in-2020\/#more-14195\" aria-label=\"Read more about Did Delhi&#8217;s Air Quality Improve in 2020?\">Read more<\/a><\/p>\n","protected":false},"author":2882,"featured_media":14203,"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":"","_relevanssi_noindex_reason":"","footnotes":""},"categories":[17,452,384,386],"tags":[272,27,269,295,74],"class_list":["post-14195","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-air-pollution","category-air-quality","category-delhi","category-india","tag-air-pollution","tag-delhi","tag-india","tag-indoor-air-quality","tag-pm2-5","resize-featured-image"],"acf":[],"_links":{"self":[{"href":"https:\/\/smartairfilters.com\/en\/wp-json\/wp\/v2\/posts\/14195","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\/2882"}],"replies":[{"embeddable":true,"href":"https:\/\/smartairfilters.com\/en\/wp-json\/wp\/v2\/comments?post=14195"}],"version-history":[{"count":21,"href":"https:\/\/smartairfilters.com\/en\/wp-json\/wp\/v2\/posts\/14195\/revisions"}],"predecessor-version":[{"id":16636,"href":"https:\/\/smartairfilters.com\/en\/wp-json\/wp\/v2\/posts\/14195\/revisions\/16636"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/smartairfilters.com\/en\/wp-json\/wp\/v2\/media\/14203"}],"wp:attachment":[{"href":"https:\/\/smartairfilters.com\/en\/wp-json\/wp\/v2\/media?parent=14195"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/smartairfilters.com\/en\/wp-json\/wp\/v2\/categories?post=14195"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/smartairfilters.com\/en\/wp-json\/wp\/v2\/tags?post=14195"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}