An Air Pollution Action Day was called Wednesday morning for the Chicago area and is in effect until midnight, weather ...

To check your state's air quality, visit AirNow's website, and plug in your zip code, city or state. Here's what to know as ...

A gray haze from wildfire smoke could be seen in Cincinnati, and the entire state of Minnesota is under an air quality alert.

Smoke from more than 100 wildfires blazing in Canada is expected to spread to impact air quality in more U.S. state.

Canadian wildfire smoke has entered the Upper Midwest and poses significant health impacts in the hardest-hit areas.

Smoke from wildfires in Canada has spread more than 5,000 miles, reaching parts of Russia and Europe during the past week.

Smoke from the Canadian wildfires continues to bring dangerous air quality to parts of the northern U.S., with hazy skies ...

The Wisconsin DNR says air quality levels have improved from “unhealthy” to moderate, but that doesn’t mean the risk is over.

Officials issued an alert Wednesday as air quality was expected to reach unhealthy levels in all of Wisconsin until noon Thursday. Sensitive groups should consider moving all activities inside ...

Wisconsin has seen more air quality advisories for wildfire smoke in 2025 thus far than in all of 2024. Here's how you can track it and keep yourself safe.

Canada is having another bad wildfire season, and more than 27,000 people in three provinces have been forced to evacuate.