Air quality alerts have been issued across most of the Midwest, and hundreds of wildfires are burning across Canada.

Heavy storms in the Carolinas brought between 1 to 4 inches of rain and prompted several flash flood warnings on Friday.

Wildfire smoke from Canada is blanketing the skies in the Midwest, leaving millions with dangerous breathing conditions.

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 ...

An air quality alert covering the entire state of Minnesota continues on Thursday, marring otherwise fairly ideal weather ...

Every air quality monitor in Minnesota is reporting red or unhealthy conditions for everyone, an official said.

Minneapolis faced severely degraded air quality, ranking among the worst globally due to smoke drifting from Canadian ...

Air quality will deteriorate across 12 states through Saturday, mainly in the Upper Midwest, as wildfire smoke pours into the US from northwestern Canada brought by the cold front that is ushering in ...

"The air quality is officially dangerous in Chicago," says Brian Urbaszewski, director of environmental health programs at ...