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 ...

With wildfire smoke in the forecast, track the drop in air quality across dozens of PurpleAir sensors with our live, updating maps! New data arrives every 30 minutes. For the latest weather coverage ...

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 ...

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 ...

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 ...

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

The Oregon Department of Environmental Quality issued an air quality advisory for Wednesday for Klamath and Jefferson ...

The Chicago area recorded ozone levels of 156 late Monday afternoon. Levels above 100 are considered unhealthy. Residents ...

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 ...

Redmond had the worst air quality in the state Wednesday afternoon, with DEQ's air quality monitoring map showing "unhealthy" ...

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