- Thick smoke, haze blanket much of Minnesota; air quality alert remains in effect MPR News
- Canadian wildfire smoke continues to worsen air quality in several US states ABC News
- Millions in U.S. warned to stay indoors, keep windows closed. Could Pa. be next? PennLive.com
- Air quality expected to reach ‘hazardous for all’ level in NW Minnesota, alert extended through Wednesday 5 EYEWITNESS NEWS
- Will Canadian wildfire smoke impact air quality in Massachusetts? Here’s the latest forecast. CBS News