Chicago faces an air quality alert due to Canadian wildfire smoke and high ozone levels, with risks for sensitive groups.

Smoke from Canadian wildfires drifted into the region last week. Doctors said they've seen an influx in appointments for respiratory problems as a result.

As the city's surface warms, it heats the air above it, causing that air to rise. This rising motion can pull in smoke-laden ...

CHICAGO (WLS) -- An air quality alert was issued for the greater Chicago area on Tuesday. The alert was issued by the EPA at about 11:56 a.m. It will be in effect until midnight. Lake, Porter, Newton ...

Providers report denial rates up to 17.5 percent. To cope with the mounting financial pressure, some small clinics have ...

Due to smoke from wildfires, several U.S. cities had an AQI over 100 on Aug. 5, which means the air is unhealthy for ...

As Canadian wildfire smoke lingers in the skies, the Chicago area will soon be under an air quality alert, but the smoke ...

While an air quality alert continues for parts of the Midwest due to smoke from Canadian wildfires, northeastern Illinois was ...

Air quality levels across the Stateline this morning are back down to level 2 of 6 “moderate” levels. There are even a few locales up in southern Wisconsin where the Air Quality Index ...

Danville sits near the Indiana border and offers small-town affordability with surprising cultural depth. Housing costs here are among the lowest in Illinois, making it a paradise for retirees on ...

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.