Smoke from western wildfires will drift into Colorado, creating hazy skies and lowering air quality at times. US consumer ...

Air Quality will be Poor at times Today especially now until the early afternoon then some improvement in Air Quality between ...

Smoke from Canadian wildfires continues to cross the border, with the air being deemed "unhealthy," especially for sensitive groups.

Canadian wildfire smoke will linger through Tuesday morning before lifting out behind a passing cool front which could also ...

House Republicans Elise Stefanik and Nick Langworthy questioned Canada's commitment to wildfire prevention in a letter to Prime Minister Mark Carney.

A fine given to a person for starting a smoky burnoff near Hastings is being described by an advocate as giving them “an ...

Never-smokers with lung cancer in high pollution areas have increased TP53 mutations, shorter telomeres, and heightened mutagenesis.

An explosion at a U.S. Steel plant near Pittsburgh left one person dead and sent at least 10 to hospitals Monday and heavily ...