An air quality map shows conditions improving in the U.S. on Friday as smoke from the Canadian wildfires subsides.

An air quality index of 300 or higher is considered hazardous, and the record-breaking smoke AQI in Grand Portage reached 800 ...

The Minnesota Pollution Control Agency (MPCA) has issued an air quality alert for a wide range of central and southern ...

States across the border issued air advisories about particulate pollution that are expected to last for several days.

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

Parts of central Pennsylvania are under a code orange air quality alert, but the Midwest is seeing bigger air quality ...

Wildfires scorching several Canadian provinces have driven at least 33,400 people from their homes, with smoke now reaching ...

Minnesota authorities warned of unhealthy levels of exposure to particles from wildfires. Symptoms include shortness of ...

Canadian wildfire smoke will again choke Minnesota skies on Sunday, prompting a statewide air quality alert that will last most of the day. The air will be unhealthy for sensitive groups starting ...

Online map tools and resources let you track the Canadian wildfires and monitor poor air-quality conditions, which are ...