Another large fire exacerbated by climate change is threatening the health of Chicagoans. Government officials issued an air pollution "action day" on Thursday.

Toxic air spreads hundreds or even thousands of miles from where wildfires burn. Last week, Chicago felt the sting—and warnings weren’t enough to protect health.

Across the United States, wildfire smoke has been rising for decades as a percentage of the PM2.5 pollution that plagues industrial cities like Chicago.

Canadian wildfire smoke was a major health issue in the Chicago area at times during summer 2023, when air quality was occasionally downgraded into the "Unhealthy for All" category.

Smoke from Canadian wildfires is smothering U.S. cities like Detroit, Chicago and Pittsburgh. Air quality warnings are in effect across the Midwest as officials warn of hazardous conditions.

Wildfire smoke from several different blazes is set to drift over the Chicago area in coming days, potentially impacting air quality in the region. Those fires, which are burning in Canada and in ...

Chicago has been caught between rain, fog and even wildfire smoke, leaving many residents searching for the sun.

CHICAGO - Canadian wildfire smoke remains a player in Chicagoland weather today. The sky will once again be rather hazy and it will be a very warm day with temperatures climbing into the mid 80s.

Wildfire smoke gives Chicago, Detroit some of world’s worst air quality. Smoke from Canadian wildfires continues to plague the Upper Midwest and Great Lakes region, with multiple states under ...

The Randolph Street icon Girl & the Goat, helmed by Chicago chef Stephanie Izard, will host a brunch on Sunday, January 19, with an all-star lineup of chefs to raise funds for LA wildfire ...

Chicago's air quality ranked among worst in the world due to Canadian wildfire smoke Another large fire exacerbated by climate change is threatening the health of Chicagoans.