Smoky skies, poor air quality across Canada as nearly 800 wildfires burn

New York air quality among worst in world due to wildfires

Intense smoke due to wildfires in the west caused hazy skies as the air quality index surged to 157 in Manhattan. New York City air quality was among the worst in the world. State officials in New York advised people with asthma and heart disease, to avoid strenuous outdoor activity.

Western Wildfires' Smoke Affecting Air Quality in the Northeast - Videos from The Weather Channel

Meteorologist Danielle Banks tracks the smoke moving into the Midwest and Northeast. - Videos from The Weather Channel

Wildfire smoke casts haze over Chicago skies, impacting air quality

It may look cool, but could this smoke in the air affect your health?

Health alert issued for Va. as smoke from wildfires in western U.S., Canada impacts air quality

Smoke from wildfires burning across central Canada and the western United States is casting a hazy, potentially harmful pall over Virginia.

Knozone Action Days declared in Indy as wildfire smoke reduces air quality

During a Knozone Action Day, the public is encouraged to do what they can to reduce their contribution to the poor air quality.

Doctor advises on how to stay safe as hazardous air conditions linger in Minnesota

Communities across Minnesota have seen historic air quality levels this week as smoke drifts south from wildfires in Canada.