The Minnesota Pollution Control Agency (MPCA) said the alert started at 1 p.m. on Tuesday and will run until 5 p.m. on Saturday.

Minnesota residents advised to limit outdoor activity due to Canadian wildfire smoke through Saturday. Learn which areas are most affected.

The DNR also said Tuesday that Fire Control program staff have been mobilized across the western U.S. and Canada to combat ...

A series of storms has been moving from North and South Dakota through Minnesota and Iowa and into Illinois and has been ...

Smoke impacts began in northern Wisconsin Tuesday morning and will spread south through the state by July 31. Air quality may briefly improve on July 31 before smoke returns to northern areas on Aug.

New Jersey remains under both an air quality alert and excessive heat advisory Tuesday as oppressive temperatures and poor air conditions persist ...

The Minnesota Pollution Control Agency has issued an Air Quality Alert for much of central and northern Minnesota for Tuesday ...

Smoke from wildfires in Canada continue to reduce air quality in New Hampshire this week after the state declared an air ...

The dangerous heat and humidity will stretch from the Midwest to the East Coast from Monday through midweek, with ...

The alert comes as people in other states have been told to monitor themselves for symptoms such as unusual fatigue and coughing.

Northeast Ohio's forecast Monday and Tuesday calls for heat to continue before conditions cool a bit on Wednesday.

Waymo's driverless vehicles are already on the road in San Francisco, Los Angeles, Phoenix, Austin and Atlanta, and the ...