Besides temperatures feeling in the high 90s, Chicago and surrounding areas are under an air quality alert until midnight, ...

Sensitive groups are advised to stay indoors and limit outdoor activities as pollution and ozone levels spike to unhealthy ...

The Indiana Department of Environmental Management said Northwest Indiana’s ozone levels are expected to be unhealthy for ...

Air quality in the Chicago area remains poor for the third straight day in a row, with an air quality alert in effect through Wednesday night, along with extremely muggy conditions and the chance for ...

Chicago's air quality alert continues due to Canadian wildfires, affecting sensitive groups and prompting health advisories.

Millions of Americans across nine states were urged to avoid driving and limit outdoor activities on Wednesday as air quality ...

While some organizations have published clear air quality thresholds or contingency protocols for wildfire smoke, FIFA's ...

Chicago’s heat streak continues with a possible round of late-day storms today, before a brief cooldown and then another warm-up next week.

CHICAGO (WLS) -- There is a chance of severe weather Wednesday afternoon. Wednesday will be very hot and humid, with highs in the low 90s. Between about 3 and 8 p.m., strong to severe storms are ...

Thirty years ago, a heat wave settled over northeast Illinois. By the time the heat relented, 739 people had died and the ...

An air quality alert in the Chicago area will stretch into a third day as pollutants continue to linger in the air at high ...