Allergens Quick Facts
- Each dust mite lives for approximately 30 days and produces about 20 fecal pellets per day. During that time, females may have added 30 new dust mites to the population.
- About 10% of the population is allergic to dust mites. About 80% of asthmatic children are allergic to dust mites.
- Although many substances in dust can trigger allergic symptoms, the most important indoor allergens are dust mites, pet dander, cockroaches, and molds.
- Some dust is present in every home, regardless of how often or how thoroughly the house is cleaned.