Does a HEPA Filter Remove Ozone?

Although HEPA filters are excellent at capturing nanoparticles, they don’t remove gases like ozone. To get rid of ozone, you need an activated carbon filter, also known as a “charcoal” filter. How Effective are Carbon Filters at Removing Ozone? One study was carried out in an office building in Sacramento, …

Read more

Ozone Generator Machine: Do They Really Work?

Ozone generator machines are popular tools to remove odors, pollutants, and viruses. But what does the science say about the effectiveness of ozone machines? The biggest downside of using an ozone generator is that ozone is harmful to humans! But hey, maybe ozone could be useful in an empty room? Scientists …

Read more

How Blueair Air Purifiers Can Create Dangerous Ozone

Blueair states their air purifiers use HEPASilent technology. They avoid any link to ionizers by claiming that it involves an ‘ion chamber’ that doesn’t emit ions to the room or produce ozone. However, we took apart a Blueair 203 purifier to take a look at this ‘ion chamber’. It turns …

Read more

Ozone Pollution: Often Invisible, Always Dangerous

When summer rolls around, enticing blue skies often draw people outside. Throw on top the fact that most cities in China have less PM2.5 pollution in the summer, what’s stopping us from heading outside? Ozone Pollution on Rise Across China Ozone has been on a steady increase across China in …

Read more

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