Add Yahoo as a preferred source to see more of our stories on Google. (John J. Kim/Chicago Tribune/TNS) Some of Drew Carhart’s earliest memories remind him of his love of nature. Not just trees, ...

A new report has found Chicago's air quality is among the most polluted in the nation. The American Lung Association's annual "State of the Air" report tracked the ozone and particle pollution levels ...

Add Yahoo as a preferred source to see more of our stories on Google. Chicago ranked second among major U.S. cities with the worst air pollution in 2023, its average annual concentration of dangerous ...

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 ...

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.

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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 ...

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 ...

Chicago's air quality continues to decline, with the city now ranking among the worst in the nation for both smog and fine particle pollution, according to the American Lung Association’s 2025 State ...

An air quality alert has been issued for much of the Chicago area as Canadian wildfire smoke once again impacts the region's levels. The Air Pollution Action Day was issued by the Illinois ...

Dense smoke from wildfires burning in Canada will once again impact skies in northeast Illinois and northwest Indiana, with an air quality alert in effect Thursday for the entire Chicago area. The ...

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, ...