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

The Chicago area has experienced several days of pleasant temperatures, but the mercury will be trending upward again in ...

Smoke from Canadian wildfires continues to affect air quality across the Midwest, though Monday’s conditions were an ...

However, Lake, Porter, Newton and Jasper counties in Indiana will be under another air quality alert all day Tuesday. The ...

The National Weather Service issued an air quality alert for the city on Thursday and kept extending it through Sunday night. There was no alert Monday.

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

This past Thursday should have been a beautiful day, a day to throw open the windows and putter in the garden, long-awaited ...

Smoke from the more than 700 wildfires burning in Canada is continuing to blanket parts of the Midwest for a final day.

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

Hundreds of thousands of music fans of all genres packed Grant Park for the first day of Lollapalooza 2025. But Chicago air ...

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

Wildfire smoke from Canada turned Chicago into one of the world’s most polluted metro areas as the Lollapalooza music ...