Smoke from wildfires in Manitoba, a Western province facing its worst fire season in 30 years, has created hazardous air ...

The Cram fire is the largest in the state, expanding overnight to more than 64,000 acres, according to the Northwest ...

Based on analysis starting in 2006, the average U.S. population exposure to wildfire smoke is one of the highest estimated, and the highest over the eastern U.S. Air pollution levels, measured by ...

The EPA's Air Quality Index can tell you whether breathing outside air can be harmful. Here's how to read the scale to plan ...

Weekend wildfire smoke produced some of the worst air pollution ever recorded in MN originally appeared on Bring Me The News.

Air quality and your health: Breathing in wildfire smoke is bad for your health. The EPA uses a color-coded system to measure air quality — here’s what Code Red, Code Purple and more mean .

Wildfire smoke is eroding decades of air quality improvements, study finds. The onslaught of wildfire smoke amid a warming climate has rolled back years of air quality gains in the U.S.

Air quality remained poor in the Northeast on Friday, but conditions were improving across much of the Midwest as rain and winds from the west and south began to disperse wildfire smoke from ...

An air quality alert is in effect for parts of northern Minnesota as wildfire smoke from fires burning in Canada again drifts ...

Wildfire smoke, poor air quality can have an impact on health — even for people who live far away. Story by Korin Miller • 6d. A wildfire in Southern California has prompted school closures ...

Canadian wildfire smoke lingers in Michigan. Officials issued an air quality advisory in southeast Michigan for July 15.

Air quality will become unhealthy for some beginning Sunday through Monday morning. Canadian wildfire smoke returns which ...