Doctors warn of health concerns associated with poor air quality

A number of cities and towns in the East and North East United States are under air quality warnings Wednesday because of wildfires in Canada.

Here & Now's Scott Tong speaks with Dr. Neelu Tummala about the health risks associated with poor air quality. Dr. Tummala is an ear, nose and throat physician, and co-director of the Climate and Health Institute at George Washington University.