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

"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 ...

Smoke produced by hundreds of wildfires burning across Canada has drifted thousands of miles and nearly circled the entire ...

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 ...

Large wildfires in remote regions of Canada sent smoke billowing across the border, inundating northern New England with ...