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Before You Buy A Wearable Air Purifier, Read What Doctors Have to Say
With pollution getting worse across Indian cities, many people are turning to a new kind of gadget: wearable air purifiers. Marketed as small devices worn around the neck, these purifiers promise to create a 'bubble of clean air' by releasing ions or generating airflow that pushes pollutants away from the face. But do they really work? Doctors say the science is not quite so simple.
We spoke to Dr Sarat Kumar Behera, Director Critical Care and Senior Consultant - Pulmonology, Manipal Hospital, Bhubaneshwar, who explained to us how these devices work and whether they are worth the hype.
How Wearable Purifiers Work
Most wearable purifiers use ionization technology, releasing negative ions that attract dust and particulate matter and make them fall away from the breathing zone. However, experts caution that this effect is limited to very small, controlled spaces.
"Open-air environments dilute the device's impact. You're still inhaling pollutants around you. Unlike room purifiers, which use HEPA filters to physically trap PM2.5 and PM10 particles, wearable models lack the filtration power needed to address outdoor pollution levels, explained Dr Behera.
The Hidden Risks Doctors Are Worried About
Doctors also warn that these devices can create a sense of false security. "People may feel overly protected and skip proven protective measures, such as N95 masks. Ionizing devices can also produce trace quantities of ozone, possibly irritating the airways of sensitive individuals," warned Dr Behera.
Where Wearables Do Help
Despite their limitations, wearable purifiers aren't completely ineffective. In mildly polluted indoor settings-offices, malls, or public transport-they may reduce exposure to a small extent, especially for people with asthma or dust allergies. But they should be seen as supplements, not replacements.
What Doctors Recommend Instead
There's one thing doctors unanimously agree upon: when pollution peaks, nothing beats a well-fitted N95 or KN95 mask. Indoor HEPA filtration, staying hydrated, and avoiding intense outdoor activity offer far better protection paired with it.
Bottomline
Dr Behera concluded, "Wearable air purifiers are an interesting invention, but the technology isn't strong enough to ensure clean air, especially outdoors. Wear them if you want, but don't depend on them. Your lungs deserve more robust protection."
Disclaimer: The information provided in this article is for general informational and educational purposes only and is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or a qualified healthcare provider with any questions you may have regarding a medical condition.
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