Areas of Wisconsin and northern Michigan are reporting "unhealthy" air quality levels. To check your state's air quality, visit AirNow's website, and plug in your zip code, city or state. Here's ...

Many states are reporting moderate air quality levels, but conditions are worse in areas closer to the U.S.-Canadian border. Start the day smarter. Get all the news you need in your inbox each ...

0-50: Good, with little to no risk of pollution. 51-100: Moderate and really is not a risk to anyone unless they're unusually sensitive to poor air quality.The national weather service will often ...

A series of live maps from Windy.com highlighted which parts of the U.S. were experiencing elevated levels of air pollution on Friday. The maps showed data for multiple types of pollutant, including ...