Do Air Purifier Necklaces Really Work?|隨身空氣清淨機銷售夯 效果仍須再佐證

Southern Taiwan's PM2.5 levels are off the charts. People wear surgical masks and air purifier necklaces to try to breathe cleaner air. But doctors say the majority of necklaces being sold on the market have unclear labels and there is no proof they are effective.


The air quality in southern Taiwan is abysmal and many people put on surgical masks and air purifier necklaces before heading outside.

If you're indoors, there are measurables. If you're outside, I don't think it's effective.

Some people are waiting for more scientific evidence that the necklaces are effective before buying one. One expert says the effectiveness of indoor air purifiers is measurable, but the majority of air purifier necklaces on the market fail to offer any such information. In fact, such information may not even exist.

Can you tell us how long it takes this kind of device to ionize the air within a 30-centimeter range around us? We need this kind of data.

The expert says people with allergies should seek medical treatment to improve their condition and they can consider auxiliary devices after their condition has stabilized.