The latest info and practical tips on protecting yourself from the Covid19 coronavirus. Information and open-data covering: N95 masks, surgical masks, DIY and homemade masks, air purifiers and disinfecting and washing masks.
Air purifiers with HEPA filters are highly effective at filtering out COVID-19 coronavirus and other viruses. But viruses can remain on surfaces for scarily long periods of time. When thinking about viruses stuck in an air purifier’s HEPA filters, that sounds scary. It’s also led to incredible-sounding headlines about how … Read more
Data shows that having good indoor ventilation can reduce the chance of virus transmission. Armed with that knowledge, can something as simple as opening a door or a window help to fight COVID-19 and reduce coronavirus transmission indoors? Recommended Air Changes Per Hour Before we can say how … Read more
HEPA filters are great at filtering particles such as dust, PM2.5 and PM10. They also do an incredible job of capturing nanoparticles including viruses and bacteria. What HEPA filters don’t do though, is destroy the particles. This has lead to a lot of marketing hype and confused air breathers. Some … Read more
Data shows that improving indoor ventilation can reduce the risk of virus transmission, and is recommended by the CDC. But what is the recommended air changes per hour for different spaces? In this article, we’ll cover the recommended ASHRAE recommended air changes per hour for offices, homes, schools, residential and … Read more
In the other article‘Common UV Lights Aren’t Great at Killing COVID-19’, we explained how much doses do we need to kill coronavirus. Also, we talked about how UV-C light kills the virus. Also, the UV light we can find in the market is too weak to kill the coronavirus. So, … Read more
UV light, or ‘ultraviolet light’, is a form of non-visible electromagnetic light. The main source of UV is the sun. There are three types of UV light: UV-A, UV-B, and UV-C. They’re differentiated by the wavelength of the light, with UV-A light has the largest wavelength, ranging from 315-400nm. UV-C … Read more
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
Offices and the workplace can be breeding grounds for viruses such as COVID-19. In this article, we’ll present data that shows how improving office ventilation and airflow may lower the spread of viruses like the coronavirus in the workplace. Evidence of how Office Ventilation Affects Disease and Virus Transmission There’s … Read more
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
Cases analysis data from China suggests that by far the riskiest environment for COVID-19 is where most people are right now. We probed the data on where the riskiest places are to catch COVID-19 and where should we be taking the most caution. People have jumped on practical … Read more
