Canadian wildfires brought some of the worst air quality in the world to Chicago last week. Since then, the AQI has gotten a ...

Mild and sunny weather continues in Chicago, but smoke and a nearby front may influence temperatures and bring scattered storms later in the week.

A pioneering 18-month environmental initiative has been launched to tackle rising air pollution in Lagos and Port Harcourt, ...

This week as temperatures finally reached acceptable June levels, Chicagoans prepared to step outside — onto patios and rooftops, into a park or along our gorgeous lakefront.

Chicago woke up to code red air quality on Thursday as smoke from Canadian wildfires blanketed the city, turning the skyline ...

Chicago's weather forecast includes variable skies and 70s, with weekend rain chances and improving air quality.

Smoke coming in from Canadian wildfires settled over Chicago, causing unhealthy air quality conditions for at-risk groups.

Wildfires are still raging in Canada, where there have been dozens of active fires, and over 33,000 people have been forced ...

A Chicago Air Quality Alert has been extended through Friday as smoke from Canada wildfires has pushed the AQI into unhealthy ...

Air quality remains the top concern in the Chicago area today, with levels still considered unhealthy for sensitive groups.

The Illinois Environmental Protection Agency declared an "Air Pollution Action Day" for the greater Chicago area, with special attention to those most vulnerable, including children, the elderly and ...