How do UV Light Air Purifiers Work and Can They Kill Viruses?

Air purifiers with UV lights have sprung up as a potential solution to disinfect the coronavirus. Also called ‘sterilization lamps’, they are advertising as being able to kill 99.9% of viruses. But are UV light air purifiers actually able to protect against COVID-19 and other viruses? UV Light Air Purifiers … Read more

The Dose of UV Light Needed to Kill Viruses is Stronger Than You Think

Common UV Lights Aren’t Great at Killing COVID-19

UV light has surfaced as a potential solution for destroying the coronavirus and other viruses alike, but are common UV lights strong enough to be effective? How much of a dose do we need? We took a careful look at the data and came up with practical guidelines.     … Read more

Summer surgical masks easy to breathe with good filtering efficiency

The Three Coolest, Most Breathable Surgical Masks for the Summer

Recently, the Coronavirus has begun to sweep Beijing again. Among so many surgical masks, how should we choose which brand surgical mask to wear, not only against with virus but also away from sweating. Our Smart Air tested 10 surgical masks that were purchased from different pharmacies and come up … Read more

Which Way Round Should a Surgical Face Mask Go?

Surgical masks are designed to be worn in one direction only. However, it can be difficult to know which way round a medical face mask should go. Should the blue side face out, or in? Some surgical masks are white all over, which way round should these white face masks … 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.