Do Air Purifiers Work With Windows Open?

Will my air purifier still work with a window open? Recent test data from Smart Air, air purifiers can still significantly reduce PM2.5 in a room even when a window is slightly cracked. Here’s what you should know: The Obvious: Air Purifiers Most Effective With Windows Closed No one doubts …

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Do Air Purifiers Dry Out the Air?

Empirical data shows that air purifiers are great at cleaning air, but do they dry out the air and lead to other health problems? Do they make dry air even dryer, or can they be used as humidifiers to dry out the air? For me, dry air is mostly just …

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Did China’s Air Quality Improve in 2019?

After a big improvement in 2018, new data shows China’s war on air pollution is slowing down. A Smart Air analysis of 2019 PM2.5 data for China’s 15 largest cities found that more than half saw worse air quality over 2018. Maps comparing average PM2.5 in December 2018 to December 2019 …

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Did Mumbai’s Air Quality Improve in 2018?

Smart Air analysed Mumbai’s PM2.5 air quality data provided by the US Consulate. What we found was that Mumbai’s PM2.5 levels increased 15% in 2018, giving much poorer air quality than the previous year. These higher air pollution levels push Mumbai’s annual PM2.5 average to more than seven times the …

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Did Delhi’s Air Quality Improve in 2018?

After analyzing Delhi’s air quality data from the US Embassy in 2018, Smart Air found that air pollution fell 5% in 2018 compared to 2017. Despite the slight improvement, Delhi still averaged more than 10 times the World Health Organization’s annual air quality limit, making it one of the most polluted cities …

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What Is the Best Air Purifier on the Market Today?

I started thinking about finding the best air purifier for my home because I was living in Beijing when the “airpocalypse” struck.     I had a cough I couldn’t shake for weeks, so I started doing research into air purifiers. Unlike another answer here, I wasn’t concerned about allergens …

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PM2.5 Particle Size Virus

The Really Small Stuff

An open-data DIY air purifier test found that even simple, homemade purifiers can reduce particulate, but can they capture the smallest particles? This question is important because it’s the smallest particles that can penetrate deep into our lungs and even enter our bloodstream. To test how effective the DIY purifier …

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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