SAN FRANCISCO - Worsening air quality in the Bay Area due to wildfires in Northern California and Oregon led authorities to issue a Spare the Air alert for Wednesday and Thursday. Initially, an air ...

The worst air quality in at least two decades has gripped the Washington, D.C., area, and it's putting people at higher risk on Thursday. If you're feeling the impacts on your nose, throat or sinuses, ...

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 ...

Editor's Note: The air quality alert has been extended through Wednesday. Our latest story can be found here. Our original story continues below. An air quality alert was in effect for the Chicago ...