An air quality alert was issued by the National Weather Service in Milwaukee-Sullivan at 1:52 p.m. on Wednesday, July 23.

An air quality alert was issued by the National Weather Service in Green Bay at 1:52 p.m. on Wednesday, July 23.

The National Weather Service has issued a heat advisory for the Muncie area for Thursday, July 24. The heat advisory will be ...

Thursday: A slight chance of showers and thunderstorms after 2 p.m. Sunny, with a high near 94. Heat index values as high as ...

As of Tuesday morning, the Air Quality Index in Milwaukee was between 115 to 120, which falls in the "unhealthy for sensitive ...

Cook County is under a heat watch through Thursday evening. Temperatures could feel like 105-110 degrees Wednesday.

On June 24, the city released initial air quality test results. But the analysis was flawed, some experts said.

The building heat and humidity comes as Chicago's air quality readings early Monday morning were "unhealthy for sensitive groups," the website AirNow.gov said. The air quality ranked as a level three ...

INDIANA – Central and Southern Indiana are bracing for a multi-day stretch of dangerous heat and unhealthy air conditions, with heat indexes expected to ...

KUALA LUMPUR, July 21 — The number of areas in peninsular Malaysia recording unhealthy air quality has doubled overnight, ...

Unhealthy air quality has been recorded in eight regions of Malaysia and can be partially attributed to worsening transboundary haze, said its Environment Department. Malaysia's Air Pollutant Index ...