Going outside
Masks that work, commutes, school runs and exercise on bad-air days.
Masks that actually protectChoose a certified respirator, make sure it seals, and know when a mask is not the right answer, especially for children and people with heart or lung conditions.Errands, commutes and car tripsPractical ways to cut exposure on essential trips, whether on foot, by metro, auto or car.Exercise on high-pollution daysStaying active still matters. Move workouts indoors to a filtered room when the air is bad, and keep the pace easy outdoors.School runs and classroomsChildren breathe more air for their size and spend hours at school. What parents can do, and what to ask the school.