Dust, pests, rodents, mold, pet dander and tobacco smoke are asthma triggers present in indoor environments. a.i.r. nyc works with families to reduce exposure to these triggers and develop best practices for asthma self-management. Referrals to smoking cessation programs are also part of the a.i.r. nyc model, as well as pro bono legal assistance for major environmental problems involving landlords. Outdoor air is also a factor. Pollen, pollution, and other particulate matter can exacerbate asthma.