The U.S. Air Quality Index (AQI) is the Environmental Protection Agency’s tool for reporting outdoor air quality and health.

Air quality advisories are in effect across the Midwest due to Canadian wildfires, affecting Minnesota, Michigan, Wisconsin, ...

Smoke from Canadian wildfires is impacting multiple U.S. states, even as far south as Florida. As over 203 active fires rage ...

As Canadian wildfires burn, plumes of smoke move across Michigan. Officials issued an air quality advisory on June 6 for the Lower Peninsula.

Wildfires in Canadian provinces of Manitoba and Saskatchewan are creating smoke visible in Michigan. How to use the air ...

Saharan dust that traveled across the Atlantic Ocean has reached Florida and is expected to spread across the Gulf Coast and ...

Wildfires in Canadian provinces of Manitoba, Alberta, Ontario and Saskatchewan are creating smoke visible in Michigan. Here's ...

Hot days can feel unbearable without a strong air-conditioning system. Yet many of us take these essential devices for ...