Cities and modern life are surrounded by pollution. Pollution is like an invisible enemy, specially dangerous for babies. Babies are growing up and breathing pollution may affect their organs development and their global health. They can’t express their discomfort, that’s why ‘Baby air filter’ is a pacifier which combine the function of air purificator, thus babies are always safe. If the situation is very critical so a pollution alarm is sent to parents smartphone. When the Baby breath, the air go throught the filter and come out by the silicon part. Thus the baby always breath safe air.