Kamil Krzaczynski / AFP via via Grist As extreme heat worsens pollution, a network of 277 monitors will identify pollution ...

The city and community groups reached a settlement in 2023. It included the city-wide air monitoring network, which Chicago ...

Why are we asking for donations? Why are we asking for donations? This site is free thanks to our community of supporters. Voluntary donations from readers like you keep our news accessible for ...

An air quality alert for the Chicago area was extended for a second time as smoke from Canadian wildfires lingers overhead Saturday. The National Weather Service extended an air quality alert for ...

Editor's Note: An air quality alert has been issued for northwest Indiana, starting at midnight and continuing in Tuesday. Air quality across the Chicago area is once again in the "unhealthy" category ...

Chicago ranked second among major U.S. cities with the worst air pollution in 2023, its average annual concentration of dangerous fine particulate matter almost three times global guidelines, ...

The Chicago area is under an air quality alert until Wednesday night, weather officials have announced.

CHICAGO (CBS) -- Light amounts of pollution are smearing the skyline in Chicago on Tuesday, and minor air quality issues are expected to continue Wednesday. A combination of ozone pollution from ...

In a name-your-poison twist, a new study from the University of Illinois adds to the evidence that Chicago-area waterway pollution is slowing the relentless advance of the invasive silver carp.

An Air Quality Alert for Chicago and the suburbs has been extended through Friday as smoke from Canadian wildfires continues to blanket the area and push the AQI into red levels. The National Weather ...

City officials are scrambling to install nearly 300 high-quality air pollution sensors across Chicago, a network that would be the largest in the U.S. and one of the biggest worldwide. The plan is to ...

Some of Drew Carhart’s earliest memories remind him of his love of nature. Not just trees, flowers or birds — but the stars, planets and galaxies visible in the night sky. Fifty years ago, Carhart ...