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

Chicago officially had the worst air quality in the world for a few hours Thursday. As a haze of Canadian wildfire smoke ...

The hazy skies in the Chicago area are the visible sign of the poor air quality Thursday as smoke from Canadian wildfires ...

Most of the Chicago area remains under an Air Quality Alert this weekend due to smoke from Canadian wildfires.

Chicago's Air Quality Alert continues due to Canadian wildfire smoke, with health advisories for sensitive groups amidst ...

CHICAGO (WLS) -- Air Quality Alerts remain in effect for the Chicago area Friday due to smoke from Canadian wildfires.

The summer of 2025 has brought some of the worst air quality ever recorded to large parts of the United States. Cities across ...

Smoke from Canadian wildfires hovered over several Midwestern states Saturday, bringing warnings of unhealthy air.

Wildfire smoke from Canada is blanketing the skies in the Midwest, leaving millions with dangerous breathing conditions.

Air quality alerts have been issued across most of the Midwest, and hundreds of wildfires are burning across Canada.

Smoke from Canadian wildfires continued to degrade the air quality across several US states, including New York, Michigan, ...

The smoky air is predicted to reach New York City on Monday, and it could bring unhealthy air quality for sensitive groups.