The EPA's Air Quality Index can tell you whether breathing outside air can be harmful. Here's how to read the scale to plan accordingly in Michigan.

Multiple U.S. states and Canadian provinces are experiencing poor air quality from wildfire smoke. Here's where.

On July 15, rain and thunderstorms are expected in southern Michigan and in the Upper Peninsula. Then, more rain and thunderstorms are forecast statewide on July 16. Widespread haze is included in the forecast for northern Michigan as the Canadian wildfire smoke moves over Michigan.

Expect another smoggy day in metro Detroit. The Southeast Michigan Council of Governments (SEMCOG) has declared its eighth Air Quality Advisory of the season for Tuesday, July 15, citing elevated levels of ozone. Tuesday's Air Quality Index (AQI) is orange, which is considered unhealthy for sensitive groups.