Most of the air quality alerts pertain to "sensitive groups," including people with heart or lung disease and asthma. However ...

Degraded and/or unsafe air quality levels will continue across parts of Canada Monday as wildfire smoke lingers. However, the ...

Hundreds of wildfires still burning in Canada are expected to undermine air quality across the Upper Midwest and Northeast into Tuesday.

An air quality advisory is in effect for New York City on Monday due to wildfire smoke from Canada, according to officials.

Smoke from wildfires burning in Canada is filling the skies high above New Hampshire, triggering concerns about the air ...

However, Lake, Porter, Newton and Jasper counties in Indiana will be under another air quality alert all day Tuesday. The ...

An elevated flooding risk persists on Sunday for some parts of the Southeast as Alabama, Georgia and the Florida Panhandle ...

Hundreds of wildfires burning across Canada are expected to continue affecting air quality in parts of the United States ...

Smoke and grit from hundreds of forest fires have spread across large parts of Canada and the northern US, sending air quality across the Midwest and northeast US and Toronto to unhealthy levels.

Health officials from Minnesota to Maine have issued alerts warning of poor air quality from wildfires burning in Canada.

Smoke from widespread Canadian wildfires has spread into the US, particularly affecting the Midwest and Northeast, leading to ...