Flip a switch to fight allergies: UV light cuts airborne allergens fast.
UV light quickly inactivates airborne allergens, reducing levels by 20-25% in 30 minutes.
Why it matters
- Allergens can persist indoors and worsen asthma.
- UV light could offer a simple, effective solution.
By the numbers
- 20-25% reduction in airborne allergens in 30 minutes.
- 61% reduction in cat allergen after 40 minutes.
- Used 350-cubic-foot chamber and 222-nanometer UV lights.
The big picture
- UV light could be used in homes, schools, etc.
- Potential to help workers exposed to allergens.
- Could provide relief to allergy sufferers.
What they're saying
- Some users note that UV light for allergen reduction is not entirely new.
- Concerns about effectiveness in HVAC systems due to short exposure times.
Caveats
- Limited exposure is needed due to ozone production risks.
- Study conducted in a controlled environment; real-world effectiveness may vary.
What’s next
- Potential for portable UV light systems.
- Further research needed for real-world applications.