As Canada grapples with one of its worst wildfire seasons on record, smoke from the blazes have prompted air quality alerts ...

Air quality alerts are in effect on Tuesday in 10 states as toxic smoke from hundreds of wildfires burning in Canada ...

Smoke from ongoing wildfires across Canada continued to drift into parts of the United States on Wednesday, causing hazy skies and triggering air quality alerts in multiple states across the upper ...

Air quality will continue to improve tonight. Temperatures and humidity will continue to increase, peaking on Friday.

Wildfire smoke is back again in much of Wisconsin this morning. Air quality has fallen to the unhealthy for sensitive groups ...

Air quality is expected to reach the orange AQI category in northeast Minnesota, which is unhealthy for sensitive groups.