Much of the Upper Midwest on Saturday was dealing with swaths of unhealthy air due to drifting smoke from Canadian wildfires, covering the northern region of the U.S. at a ...

As Los Angeles grew exponentially in the mid-1900s and the car became the apple of capitalism's eye, the smog arose and ...

A Canadian Football League game between the Saskatchewan Roughriders and Calgary Stampeders in Regina on Friday was rescheduled after a long delay due to poor air quality caused by heavy smoke from ...

The latest forecast and air quality conditions for the greater Los Angeles area, including beaches, valleys and desert ...