[Association between indoor contamination and respiratory diseases in children living in Temuco and Padre Las Casas, Chile].

Background: Indoor air pollution, is the main cause of population exposure to polluting agents.

Aim: To establish an environmental profile of indoor contamination emission sources in families of children under 5 years that assist to kindergartens in Temuco and Padre Las Casas. To associate respiratory disease episodes in children with indoor contamination.