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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How Pollution Affects Children

How Air Pollution Affects Children’s Health

Air pollution affects all of us, including children. In recent years, more research has been done on how air pollution affects children’s health and the results are scary. In fact, the WHO recently published a 172 page paper on the damaging effects air pollution has on children. They started the …

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Low Levels of Air Pollution Cause the Most Harm

Why Low Levels of Air Pollution Actually Cause the Most Harm

The latest research on the health effects of air pollution have discovered a surprising finding: low levels of air pollution are actually more harmful than higher levels. This data has potentially important implications for people living in relatively “clean” cities like New York and London. My Intuition About Air Pollution’s …

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Bangladesh & Dhaka Air Quality – 2020 Update

Reports of Dhaka and Bangladesh’s air pollution being the ‘worst’ in the world feature often in the news. But how much of a problem is air pollution in Bangladesh and Dhaka, really? This article provides an overview of Bangladesh’s air pollution: how bad is Bangladesh and Dhaka’s air pollution and …

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Delhi People Outdoor Excercise

What Time of Day Is Air Pollution Lowest in India?

When Smart Air polled people about what time of day air pollution is lowest, the most popular answer was the early morning, before the morning rush hour. But how accurate are our intuitions? To get to the bottom of it, Smart Air analyzed thousands of hours of PM2.5 data from …

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Why are air purifiers so expensive

Why are Air Purifiers so Expensive?

I thought about why air purifiers cost a lot because I was living in Beijing when the (first) “airpocalypse” struck. Here’s what it looked like: The High Price of Air Purifiers I went out to buy an air purifier, and found that the one I wanted cost $2,000! I worked …

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India winter high unsafe PM2.5 pollution levels compared with summer

Here’s Why Winter Air Quality in India Is so Bad

Winter air quality in India is hazardous, with PM2.5 pollution levels reach more than 10 times the World Health Organization’s annual limit. Hazy skies and pollution alerts have become the norm during India’s winters. But just why is this? Analyzing India’s Summer & Winter Pollution Levels Data analyzed by Smart …

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Do N95 Masks limit us breathing of Oxygen Cover

Do N95 Masks Deprive Us of Oxygen?

Wearing masks for hours on end has led some people to worry about whether N95 masks deprive us of oxygen. Scientists have actually made people wear N95 masks and measured their blood oxygen. So we have a solid answer to this question, and it’s not what this question assumes. This …

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Smart Air low cost purifiers

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

Certified B-Corp air purifier company