Small, wearable necklace air purifiers have become popular to protect against viruses and other pollutants. They’re small, lightweight, portable, and fairly cheap. Here’s an Amazon listing for one which claims to eliminate germs, dust, viruses, and more from the air.
Wearable Air Purifiers: What Are They?
Wearable air purifier works differently from typical home air purifiers. More often than not, they use ionizers and ionization technology as a means to filter out pollutants from the air.
Most non-portable home air purifiers, on the other hand, use HEPA filter technology to filter out pollution.
A wearable ionizer purifier works by emitting thousands of ions into the air every minute.
These emitted ions attach to pollutants in the air, giving them a static charge. Just like a balloon sticks to a wall when it’s been statically charged, the charged particles are then more likely to stick to whatever’s near them.
Personal Air Purifier: Can They Protect Against Viruses and Other Pollutants?
A study by scientists in China and California tested the effectiveness of 4 wearable ionizer air purifiers. They put each wearable air purifier in a 0.46m3 chamber about the size of a dog kennel. They then measured how well each portable air purifier removed tiny particles from the air. The results? 3 of the 4 wearable ionizers tested removed less than 10% of particles 20 cm away from it.
10% protection isn’t great, and far lower than the 95% virus protection you get from wearing a mask. What’s more, these tests of personal air purifiers were done in a small enclosed 0.46m3 chamber, with no moving air. It’s likely these wearable air purifiers would perform even worse when worn around the neck in the real world.
Read the Complete Article at smartairfilters.com
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Also read: LG Air Purifier Mask Makes Breathing Easy
