NEW YORK — The toll of wildfires is usually counted in acres burnt, property destroyed and lives lost to smoke and flames.

As Canada grapples with one of its worst wildfire seasons on record, smoke from the blazes have prompted air quality alerts ...

Smoke from the Canadian wildfires is leaving the air dangerous to breathe in the Upper Midwest and Northeast and extreme heat ...

Three fires burning on Colorado’s western slope have spread to more than 22,000 acres and forced ongoing evacuations, fire ...

Plus, ABC News’ Chief Meteorologist Ginger Zee has the latest on the second earthquake in less than a week on the East coast.

Red flag warnings remain in place for parts of Nevada, Utah, Colorado and Wyoming due to very dry conditions, low humidity ...

His home hardening efforts include installing sprinklers with fire tracking software, despite FEMA’s cautions.

About 1,800 firefighters were fighting the blaze, which broke out Tuesday afternoon in the village of Ribaute in the Aude ...

Massachusetts can expect hazy skies on Wednesday as smoke from Canadian wildfires continues to drift down the East Coast, ...

Two wildfires that started over the weekend on Colorado’s Western Slope have consumed more than 20,000 acres and destroyed at ...

The fires have resulted in hazardous air-quality conditions across much of Canada and the northern U.S. They are continuing ...

The air quality in several U.S. states is taking a hit as smoke floats over the border from the Canadian wildfires. Here's ...