Smoke impacts began in northern Wisconsin Tuesday morning and will spread south through the state by July 31. Air quality may briefly improve on July 31 before smoke returns to northern areas on Aug.

Montreal had the worst air quality in the world on Saturday as smoke from wildfires in the Prairies drifted east. In addition ...

As wildfire smoke becomes a frequent summer hazard across large parts of the US, knowing the risk at the neighborhood scale ...

Cruise vessels are leaving billions of litres of wastewater in their wake despite longtime promises of action by the federal ...

A HEAT ADVISORY and AIR QUALITY ALERT is in effect for much of northeast Ohio. The heat and humidity will start to increase Wednesday and will stay hot through Friday.

Air quality in the Chicago area has remained poor for three days in a row, the NBC 5 Storm Team reported Wednesday morning.

Canadian wildfire smoke remains in Michigan. On July 16, officials issued an air quality advisory for western counties.

With various air quality indexes available, and as wildfire smoke becomes an increasing health risk, here’s what often goes into the decision to play sports or not — and how to make sense of air ...

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

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.

The Michigan Department of Environment, Great Lakes, and Energy (EGLE) has issued an Air Quality Alert for coastal Michigan ...

Northern Minnesota and northern Wisconsin remain under an Air Quality Alert Monday due to wildfire smoke. Conditions are unhealthy for the public.