An air quality advisory was sent out to New Yorkers for Monday, when smoke from wildfires in Canada is expected to reach the ...

Health officials from Minnesota to Maine have issued alerts warning of poor air quality from wildfires burning in Canada.

Wildfire smoke from Canada turned Chicago into one of the world’s most polluted metro areas as the Lollapalooza music ...

Chicago air quality remains in the top five worst in the world Friday with an Air Quality Alert in place from Canadian ...

The hazy skies in the Chicago area are the visible sign of the poor air quality Thursday as smoke from Canadian wildfires ...

While air quality was in the "unhealthy for sensitive groups" category in Chicago, it was even worse in some suburbs.

Chicago’s air quality was among the worst in the world Thursday afternoon, according to IQAir. The air quality in Chicago ...

Chicago's Air Quality Alert continues due to Canadian wildfire smoke, with health advisories for sensitive groups amidst ...

Chicago faces health concerns due to smoke from Canadian wildfires, leading to an "unhealthy" air quality alert.

Haze from Canadian wildfires blankets the Chicago skyline on June 6. On Monday, smoke from wildfires in Manitoba pushed Chicago’s air-quality index for ozone to 156. Levels above 100 are ...