Because of Canadian wildfires, Minnesota high schools have had to watch how they practice to begin the season in a number of ...

An air quality alert was reported by the National Weather Service on Tuesday at 12:17 p.m. in effect until 8 p.m. for ...

An air quality alert was reported by the National Weather Service on Tuesday at 9:10 a.m. in effect until 11 p.m. for Western ...

Ozone pollution in Portland, Gresham and other cities could reach unhealthy levels for sensitive groups Tuesday afternoon.

On Tuesday at 8:20 a.m. the National Weather Service reported an air quality alert in effect until 11 p.m. for Passaic, ...

The Minnesota Pollution Control Agency extended an air quality alert for southeastern and northern Minnesota on Tuesday due ...

The Air Quality Advisory issued by the Department of Environmental Protection is not the result of wildfire smoke, as it was ...

Kyrene de la Sierra Elementary School closed its campus and moved to remote learning because of the high particulate levels ...

An air quality advisory has been issued for the Bay Area amid concerns about wildfire smoke drifting into the region.

WAUSAU, Wis. (WSAW) - While not everyone will get rain on Tuesday, those who do get storms could experience either strong ...

State and federal agencies recommend several steps to keep indoor air cleaner during wildfire smoke events: Upgrade your air ...

OLYMPIC NATIONAL FOREST, Wash. — The Bear Gulch Fire within the Olympic National Forest and National Park has now prompted an ...