Masks are effective protection from airborne pollutants such as PM2.5, viruses, bacteria and allergens. In general, there are 2 common types of masks: surgical masks and respirators like N95 and N99 masks. DIY face masks can be used when surgical masks and respirators are not available. Read more to learn if masks actually work, how long masks can be used and how to wash them.
If you can smell an odor while you’re wearing an N95 mask, does that mean the mask isn’t fitting well? Many people experience this when they notice they can still smell cigarette smoke, even though they’re wearing a mask. Thus, can we use smells as an indicator of getting a …
With Covid-19, many of us are wondering how to properly clean our masks. Google searches for “wash N95 mask” and “wash KN95 mask” have sky-rocketed. Yet data-backed answers seem to be in short supply. The usual advice is to toss and replace masks instead of washing them. Let’s dive into …
Can you wear expired face masks? How effective are expired face masks? A study tested 10 year-old 3M N95 masks compared to new masks and this is what they found.
Many people wonder about the difference between N95 and KF94 masks. But actually, for the things most people care about, the difference is not small. KF94 is the “Korean filter” standard similar to the US N95 mask rating. Let’s dive into the differences: KF95 vs N95. Note, there is no …
Since COVID-19 started, there has been confusion about how to wear a disposable surgical mask correctly. But does wearing face masks the wrong way around affect their ability to capture viruses? Some online sources claim it doesn’t matter, like this one. Surgical masks are made up of 3 layers, and …
We previously discussed how HEPA filters remove asbestos from the air extremely well. But asbestos causes cancer, so I wouldn’t rely on just a purifier while in the room. I’d want to wear a mask. How Big Are Asbestos Particles? Asbestos particles range from 0.7 to 90 microns. To put this …
Every year, spring’s blossoms bring with them a wave of pollen. For places like Beijing, it’s also the start of the ‘snowy season’, with the hundreds of willow trees producing their fluffy catkin friends and the sniffles that follow. But how can we avoid the uncomfortable coughing and sneezing? Which …
The difference between P2 and N95 masks is so small that most users will not notice anything amiss. The P2 rating is the standard in Australia and New Zealand similar to the US N95 mask rating. What is a P2 Mask? A P2 respirator mask is a type of mask …
In the ongoing fight against air pollution, particularly in cities like Beijing, mask protection is a priority. Smart Air tested 15 masks, including N95 and N99, weighing factors such as price, comfort, and fit. Check out our recommendations and handy tips when choosing a mask that fits your needs. Does …
Find the right face masks to protect your health from air pollution and viruses such as COVID. However, the effectiveness and comfort of masks can greatly differ. In this article, we take a look at how to choose the best face mask and the factors you should consider when buying …
