Using a high-quality air cleaner is an effective tool for managing indoor air pollution, which is important for anyone struggling with asthma. While there is no known cure for asthma, proper medical treatment along with diligent control of indoor triggers such as mold, pet dander, dust mites, pests, and secondhand smoke can reduce the number and severity of attacks. Allergies and asthma are often related, with studies showing allergy-induced asthma as the most common type of asthma in the United States. People looking for asthma relief get the most relief from an air purifier with multi-stage filtration. That means it can handle particles, allergens, gases, and odors. Browse our most popular air purifiers for asthma relief below.