The Maine Department of Environmental Protection, which issued the alert, said ozone values have been high for several days ...

New York City and the Lower Hudson Valley are on alert for poor air quality once again on Tuesday, Gov. Kathy Hochul ...

The return of wildfire smoke from fires burning in Canada has sparked another air quality alert in Minnesota, which will be ...

The Maine Department of Environmental Protection has issued an Air Quality Alert for communities along the Coast, Interior, ...

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

An air quality alert remains in effect for the entire state of Minnesota on Monday. Smoke from Canadian wildfires prompted ...

At 9:10 a.m. on Tuesday, the Nation Service reported an updated air quality alert in effect until 11 p.m. for Morris, ...

The Massachusetts Department of Environmental Protection has issued an air quality alert across much of the state, due to ...

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 will be in effect for all of Minnesota until at least 9 a.m. Aug. 12, according to the state Pollution ...

The Minneapolis Pollution Control Agency (MPCA) issued an air quality alert for all of Minnesota, taking effect at 9 a.m. on ...

Health officials say the ozone advisory is especially important for children, older adults, and people with respiratory or ...