What to know about worsening air quality in US

Name: What to know about worsening air quality in US
Uploaded: 2023-06-08T14:15:24
Duration: PT222.0S
Description: ABC News medical contributor Dr. Alok Patel answers viewers questions about the dangers of the smoke over the U.S. from Canada.

ABC News medical contributor Dr. Alok Patel answers viewers questions about the dangers of the smoke over the U.S. from Canada.