Canada Wildfires Spread Smoke and Health Risks to US Communities.

President Joe Biden has offered additional help to Canada to tackle the devastating wildfires that have been burning since May, causing smoke to affect millions of Americans. He has directed the National Interagency Fire Center to respond promptly to Canadian requests for additional firefighters and fire suppression assets. The Centers for Disease Control offer detailed recommendations on protecting yourself from the effects of wildfire smoke at CDC.gov.