CHICAGO (WLS) -- An air quality alert was issued by the National Weather Service for the Chicago area. Chopper 7 captured as ...

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

Multiple U.S. states and Canadian provinces are experiencing poor air quality from wildfire smoke. Here's where.

As smoke from Canadian wildfires worsens air quality in Illinois, Dr. Brady Scott from Rush University explains how it ...

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

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 ...

Today is warm with an air quality alert in effect. Sensitive groups should take it easy again as we have elevated ozone ...

It’s a warm and hazy day across Chicagoland with an air quality alert in effect for sensitive groups. Serafini will remain in ...

A storm system could bring supercell thunderstorms, gusty winds and even the chance of tornadoes to the Chicago area Wednesday.

Officials have issued an air quality alert for around 10 million Americans, telling them to minimize outdoor activities and ...

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