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,

An air quality alert is in effect for the entire state of Maine and New Hampshire due to a thick plume of smoke from Canadian wildfires.The Maine Department of Environmental Protection (DEP) has issued this alert due to elevated levels of particle pollution,

After a hazy end to the weekend, wildfire smoke will continue to pass through Maine in moderate to high amounts today. Particle pollution will be unhealthy for sensitive groups. Highs will vary in the 70s and 80s with a good amount of sunshine.