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

The "unhealthy" air, which ranks as level four of six on the Air Quality Index, comes after multiple consecutive days of air quality alerts.

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.

A woman and two men were taken to Stroger Hospital for smoke inhalation after the fire broke Sunday night in the 1900 block ...

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 choke the skies over the Upper Midwest this weekend, with the milky haze even ...