The Dangers of High Carbon Dioxide (CO2) Levels

Although carbon dioxide (CO2) is a byproduct of many natural processes, high levels of CO2 can cause a variety of health effects on humans. In this article, we explain at what levels CO2 becomes dangerous and the negative health effects of these high CO2 levels. Also, how do CO2 levels … Read more

Are CO2 Monitors Accurate?

High CO2 levels negatively affect wellbeing and productivity and strongly correlate with diseases spread, amid the COVID-19 pandemic. Thus, measuring indoor CO2 levels is useful. Popular CO2 monitors include the IQAir AirVisual Pro and Kaiterra Laser Egg + CO2. But how accurate are these CO2 monitors? Smart Air conducted tests … Read more

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 … Read more

Should You Sleep With Air Purifier On?

Here’s a question I often get asked about air purifiers: “I don’t want to hear the fan while I sleep, so can I run my air purifier for an hour and then turn it off before I sleep at night? Or should I sleep with my air purifier on at … Read more

Closing Windows Oxygen Levels

Does Closing the Windows Starve Us of Oxygen?

Air purifiers work best in a closed room environment, but this makes some people worry that closing windows starves us of oxygen. Yet recent tests in a real apartment — with as many as seven people in a small room — show less than 1% change in oxygen levels in … Read more

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 … Read more

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.