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

Air pollution levels over Redding and parts of Shasta County are close to hazardous levels at times, due to heavy Green Fire ...

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

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 ...

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

Smoke billowing from wildfires is leading to poor air quality and reducing visibility throughout Manitoba this ...

Douglas McIntyre, Editor-in-Chief at Climate Crisis 24/7, reports that Memphis, Tennessee, has air pollution levels equal to smoking 144 cigarettes per year. A recent global study attributes this to ...

Unhealthy air has invaded Minnesota, Wisconsin and North Dakota early this week as a new round of wildfire smoke from Canada ...

Canadian wildfire smoke will filter in Sunday afternoon and impact air quality through Monday. Summer heat & storms ahead ...

Smoke and haze could arrive in parts of the Bay Area on Friday thanks to wildfires in the northern portion of the state. The ...

The air quality is poor today in northern Illinois due to migrating Canadian wildfire smoke. See the AQI in your area.

Air quality warnings are in effect for much of Manitoba this weekend as wildfire smoke continues to linger over the region.