Some spots may still be experiencing low air quality on Wednesday, when peak heating and heightened humidity are on tap — oh, ...

The Oregon Department of Environmental Quality has issued an air quality advisory for the greater Portland region through ...

The Maine Department of Environmental Protection’s Bureau of Air Quality has issued an Air Quality Alert for ozone until 11 ...

The high heat and humidity led officials to issue an air quality alert for parts of New Hampshire on Tuesday. This is the ninth air quality action day so far this year, which is up from last year's ...

"Air is unhealthy for sensitive children and adults, such as those with asthma, lung or heart disease, and older adults. Sensitive children and adults should limit prolonged outdoor activity," read ...

A heat advisory is in effect for inland areas of Maine, while the southern coast, including Portland, is under an air quality ...

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

MAINE, USA — Multiple fire departments have suspended burn permits Saturday due to high risks of fire in southern regions of ...

Wisconsin’s climate is changing, posing health risks due to severe air quality alerts from distant wildfires. Climate shift ...

The American Veterinary Medical Association warns that the wildfires from Canada are causing poor air quality in parts of the ...

Thursday brought out the sunshine in Boston by the afternoon, with wildfire haze thinning over the city. Haze rose high ...

Smoke from hundreds of wildfires in Canada is lingering over the northern U.S., spreading across to roughly a dozen states ...