Multiple U.S. states and Canadian provinces are experiencing poor air quality from wildfire smoke. Here's where.

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

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

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 ...

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

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

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

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

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

As smoke from Canadian wildfires worsens air quality in Illinois, Dr. Brady Scott from Rush University explains how it ...

Wildfire smoke in the Northstate can impact recreational sites like the Redding Aquatic Center (RAC).Redding Director of ...

With wildfire smoke in the forecast, track the drop in air quality across dozens of PurpleAir sensors with our live, updating ...