Chicago’s air quality was among the worst in the world Thursday afternoon, according to IQAir. The air quality in Chicago around 4:30 p.m. Thursday was the second worst in the world, behind Kinshasa, ...

An air quality alert encompassing every Michigan county was issued on Wednesday amid concerning concentrations of wildfire smoke.

"The air quality is officially dangerous in Chicago," says Brian Urbaszewski, director of environmental health programs at ...

The Minnesota Pollution Control Agency (MPCA) has issued an AIR QUALITY ALERT for all of Minnesota until late Saturday ...

The Iowa DNR has placed an air quality alert for much of the state due to "moderate to heavy" smoke conditions. The alert ...

The smoke is expected to remain over the northern and central Plains of the United States for the next couple of days, ...

Smoke from Canadian wildfires prompted air quality alerts in Chicago as it blanketed the city on June 5, 2025. Scott ...

As of 9 a.m., six of the 10 cities with the worst air quality in the country are in Wisconsin, according to IQAir, a company ...

Wildfire smoke drifting across the Great Lakes has caused air quality to plunge to hazardous levels in several states, ...

Canadian wildfire smoke is drifiting across Michigan. As of July 31, the entire state is under an advisory for unhealthy air.

A cold front is bringing storms and lower temperatures to parts of the country, while the Midwest sees poor air quality from ...