Do Air Purifiers Work With the Window Open?

Will my air purifier still work if I have a window open? New test data from Smart Air finds that air purifiers can still meaningfully reduce particulate pollution in a room with a window cracked.  Here’s what to know: The Obvious: Air Purifiers Most Effective With Windows Closed No one …

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How’s the Air Quality in Bangkok? See the Data

Bangkok saw some terrible air quality and high PM2.5 levels during the start of 2019, with news reports of schools closing and government limiting car usage. But just how bad is Bangkok’s air quality? I analyzed 2018’s PM2.5 data, provided by the Thailand Government monitor near the Chulalongkorn Hospital in Bangkok, …

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Can DIY masks filter out viruses and coronavirus

Do DIY Cloth Masks Protect Us From COVID-19?

DIY cloth masks to protect against viruses sounds like a crazy idea. Data shows masks work incredibly well, and they’re also really cheap. Surgical masks cost a few pennies, and they’re capable of filtering out 80% of particles down to 0.007 microns (14 times smaller than COVID-19). However, the COVID-19 …

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Current Portland Air Quality (2021 Wildfire Live Readings)

Current Portland Air Quality (2021 Wildfire Live Readings) Portland air quality exceeded the WHO annual limits on nearly one-fifth of days from 2020 to 2021. Despite the low percentage, Portland’s air quality averaged over 40 times the WHO recommended limit of dangerous PM 2.5 pollutants on its worse day in …

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Wildfire Smoke 10x More Dangerous Than Typical PM2.5, Study Shows

Current air regulations treat all PM2.5 air pollution as equally dangerous. But recent research suggests particulate matter in wildfire smoke is significantly more toxic than it is in typical outdoor ambient air pollution. Wildfire smoke may be far more dangerous than current air quality indexes indicate. Wildfire Smoke: Why PM2.5 …

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Why are HEPA filters so expensive

Why Are HEPA Filters So Expensive?

The costs of replacement HEPA filters for air purifiers can quickly add up. A quick search on Amazon reveals some HEPA filters that cost hundreds of dollars. Should HEPA filters cost this much? Put simply: No! Read on to learn why HEPA filters shouldn’t be expensive, but why some companies …

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Air Pollution: Silent Killer

120,000 Deaths in India Due to Air Pollution in 2020

Air pollution kills hundreds of people in India every day. Due pollution being a “silent” killer, most do not even grasp how much pollution affects our health. As per WHO research over 92% of people in the world is breathing unsafe air with high air pollution levels. Statistics regarding deaths …

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WHOs Air Quality Guidelines Are Actually Unsafe

Here’s Why the WHO Air Quality Guidelines Are Unsafe

In 2005, the World Health Organization (WHO) released its most recent guidelines on safe air quality and pollution levels. The problem? More recent research shows these WHO air quality recommendations are actually NOT safe. What Are the WHO Recommended Safe Air Pollution Levels? The WHO gives recommendations for 5 air pollutants: PM2.5, …

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Smart Air is a social enterprise that creates simple, no-nonsense air purifiers and provides free education to protect people’s health from the effects of air pollution. We are proud to be the only certified B-Corp dedicated to fighting air pollution.