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 ...

Heavy surface smoke from wildfires in Canada is drifting across Minnesota on Monday, with unhealthy air quality levels ...

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

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

The National Weather Service reported an air quality alert at 8:43 a.m. on Monday in effect until 11 p.m. for Northern ...

Officials issued an air quality alert Tuesday for parts of New Hampshire due to high heat and humidity.The alert, in effect ...

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

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

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

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

The state Department of Environmental Conservation had issued the Monday alert for 11 a.m. through 11 p.m. due to ozone ...