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

An air quality map shows conditions across the United States on Wednesday as Canadian wildfire smoke is forecast to continue to spread across the country, prompting air quality alerts and advisories in multiple states.

It smells like a bonfire outside Tuesday due to another day of poor air quality caused by smoke from the wildfires in Canada.