Chicago woke up to code red air quality on Thursday as smoke from Canadian wildfires blanketed the city, turning the skyline ...

An air quality alert was reported by the National Weather Service on Saturday at 9:56 a.m. in effect until 10 p.m. for Oneida ...

The crisis affects 25 million more people than last year, putting families at serious health risk. California cities dominate the worst air quality rankings, with pollution levels reaching decade-high ...

Smoke from ongoing forest fires is expected to cause poor air quality across parts of Northern Ontario through Sunday, ...