WNEM Morning Extra: Canadian Wildfire Smoke Sparks Concerns About Gaps in Michigan’s, Michigan Air Quality Mon

'Wildfire smoke is the fastest-growing environmental threat in the US': How a warming world will poison the air we breathe

As wildfires raged through Ontario, Canada in mid-July, millions of people in the Midwest and on the East Coast found themselves under a shroud of yellow skies, darkened by smoke from the infernos. The air quality index in Grand Rapids, Michigan hit 616 on July 16, breaking the previous record for the city of 350; any number over 301 indicates hazardous, emergency conditions. Smoke events like this are only likely to worsen in the coming decades…