Smoke from the Canadian wildfires continues to bring dangerous air quality to parts of the northern U.S., with hazy and smoky skies also possible for the East and South.

Parts of the Twin Cities registered upwards of 240 on the air quality index — levels considered “very unhealthy” for everyone ...

A gray haze from wildfire smoke could be seen in Cincinnati, and the entire state of Minnesota is under an air quality alert.

Smoke from wildfires burning in three Canadian provinces is spreading into the U.S. Upper Midwest, stirring memories of the ...

The smoke has been brought south by jet stream winds and continues to filter through the skies across the southeast. This has ...

The image was captured by a NASA satellite camera located a million miles from the Earth's surface, around four times farther ...

Smoke spreading from wildfires in Canada​ was affecting air quality in multiple states, including Minnesota​ and Wisconsin.

Smoke from the Canadian wildfires​ will be visible in the Philadelphia area, but no major impacts on air quality are expected.

More than 25,000 residents in three provinces have been evacuated as wildfires remained active and diminished air quality in ...

Hazy skies are likely and air quality impacts are possible across the state. Dozens of fires continue to burn across Canada. Smoke from the fires will move into Maine Wednesday. Hundreds of fires ...

As we enter the month of June, wildfire season is once again a major concern. So far this year, the primary focus has been on ...