Air quality problems increase today and tomorrow as steamy, stagnant air leads to higher levels of ozone pollution.

Chicago faces another scorcher on the Fourth of July, with 95-degree heat, an ongoing warm streak, and evening fireworks expected to proceed under mostly dry skies.

Frustration with the silos’ owner boiled over during a public meeting. It’s not clear yet how the riverfront site would be ...

During its June meeting, the Chicago Board of Education (Board) unanimously approved a resolution to launch a Healthy Green ...

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

“Dangerously hot and humid” conditions are moving into the Chicago area this weekend, potentially pushing the heat index as high as 105 degrees, according to the National Weather Service.

The Chicago AQI averages from moderate to unhealthy, affected by not only smoke but also vehicle emissions and heat. Always check the AQI before heading outdoors, especially if there’s smoke in ...

Chicago public schools face enrollment crisis with 150 half-empty schools, costing up to $93,000 per student in some cases, as the district lost 70,000 students over the past decade.

In Chicago, one area saw an Air Quality Index at a level of 157, which is deemed “unhealthy.” The particle pollution can affect the eyes, throat, lungs, and heart.

An air quality monitoring system and full access to all the building and site metrics are incorporated into the academic curriculum.” This integration of building performance into the curriculum is ...