Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast. Air quality alerts were in effect Tuesday in several states, including Wisconsin,

The National Weather Service reported an air quality alert at 7:22 a.m. on Tuesday in effect until 11:15 p.m. for Franklin, Hampshire and Hampden counties.

Hazy conditions will continue on Tuesday across Massachusetts, as the smoke from the Canadian wildfires continues to move through.