Save on WIRED-tested picks from Blueair, Levoit, and Air Doctor, including compact models for your bedroom. You may be searching for the best air purifiers for allergies, pets, mold, wildfire smoke, or exhaust—such as from cars or industrial buildings—to protect yourself and your home from. If you are concerned for the health of your loved ones and looking to buy an air purifier for your home this Diwali season, then we have.