The smell of fire filled the air as thick smoke from wildfires in Canada blanketed part of the Midwest and created hazardous ...

The smoke from the wildfires is primarily aloft, resulting in a milky sky and vivid sunrises and sunsets. Air quality levels ...

Residents living across a huge area spanning three states have been warned of dangerous air pollution levels on Tuesday.

Hey Jersey, notice the sun appears more red or unique this week? Here's best times to check it out, and why it is so vivid.

Smoke from more than 100 wildfires blazing in Canada is expected to spread to impact air quality in more U.S. state.

Smoke spreading from wildfires in Canada​ was affecting air quality in multiple states, including Minnesota​ and Wisconsin.

Smoke from the wildfires that have prompted the evacuations in three provinces in Canada is expected to create hazy skies in ...

An air quality emergency has been issued in a major US city, warning residents that any exposure could lead to serious health ...

Just in time for the official beginning of ozone season in Colorado, Larimer County now has its first Loveland air quality ...

As of Monday, some of the smoke had moved off the Eastern Seaboard, but a high-pressure system circulated it back into the ...

Syracuse, N.Y. -- Smoke from wildfires in western and central Canada will drift into Upstate New York this week, creating ...