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

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 ...

EDT on Tuesday, the National Weather Service reported an air quality alert in effect until Thursday at midnight EDT for ...

EDT the National Weather Service reported an air quality alert in effect until Thursday at 1:30 a.m. EDT for Cass and Berrien ...

Canadian wildfire smoke lingers in Michigan. Officials issued an air quality advisory in southeast Michigan for July 15.

Additional plumes of smoke from Canada's active wildfires prompt officials to issue a statewide air quality alert on July 14.

An Air Quality Alert will be in effect through midnight Tuesday for Southeast Michigan, the state's Department of Environment ...

The Michigan Department of Environment, Great Lakes, and Energy expects particle pollution to reach the Unhealthy for ...

Wildfire smoke from Canada will be moving into Michigan from Saturday to Monday, creating poor air quality across the state.

The Michigan Department of Environment, Great Lakes, and Energy issued southeast Michigan's sixth air quality advisory of the ...

The Michigan Department of Environment, Great Lakes, and Energy issued an Air Quality Advisory for five West Michigan ...

DETROIT – It’s shaping up to be a Toasty Tuesday. Today will likely be the warmest day of the week as highs top out around 90 ...