The Illinois Environmental Protection Agency has issued an Air Pollution Action Day for Tuesday, July 15. Here's what to know ...

The alert comes as humidity is expected to increase Tuesday, with high temperatures in the mid 80s to low 90s, with heat ...

The Chicago area recorded ozone levels of 156 late Monday afternoon. Levels above 100 are considered unhealthy. Residents ...

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

An air quality alert was issued Thursday by the National Weather Service for the entire Chicago area through Friday night.

The National Weather Service’s Chicago office attributed the alert to unhealthy ozone levels and lingering effects of smoke from wildfires in Canada.

Chicago faces poor air quality and sweltering heat today and tomorrow, followed by scattered storms heading into the weekend.

Chicago First Alert Weather: Nice start to the week 02:14. CHICAGO (CBS) -- An Air Quality Alert is in effect until midnight due to increased ozone pollution and wildfire smoke from Canada. CBS ...

Chicago faces an extreme heat watch with temperatures expected to reach mid-90s and heat indexes up to 115 degrees.

The Chicago skyline is blanketed in haze from Canadian wildfires seen from Solidarity Drive on June 27, 2023, as weather officials issued an air quality alert. Brian Cassella/Chicago Tribune ...

An air quality alert has been extended for the Chicago area as “unhealthy” levels are expected to continue into the start of the weekend with wildfire smoke lingering in the area. The poor air ...