Yes, air purifiers can be very effective in reducing common allergy symptoms such as sneezing, nasal congestion, itchy eyes, coughing, and sensitivity to dust by removing airborne allergens from indoor spaces. They are especially helpful for people who spend a lot of time indoors or have allergies triggered by pollen, dust mites, mold spores, or pet dander. A good-quality air purifier can improve indoor air quality and make breathing more comfortable, particularly in bedrooms or living areas where allergens tend to accumulate over time.