Photo-Illustration: Retailer In this article Best overall Best less-expensive Best for large spaces Best for small spaces Best quiet Best non-HEPA The recent smoke covering New York City might have made you reconsider the efficacy of your air purifier. Wildfires aside, air purifiers can have a big impact on tamping down the triggers for allergies, such as dust, animal hair, and pollen. Then there are the everyday, less obvious allergy triggers to consider. “We’ve seen many examples in homes and