Canadian wildfire smoke has worsened the air quality in multiple states and irritated the eyes, noses and throats of many ...

The National Weather Service issued air quality alerts on Monday for millions of Americans in Wisconsin, Michigan, ...

Douglas McIntyre, Editor-in-Chief at Climate Crisis 24/7, reports that Maine is expected to have above-normal temperatures ...

Viewers shared snapshots of hazy skies as Canadian wildfire smoke continues to impact air quality in parts of Maine.

This is the second most severe fire season on record in Canada, according to the National Interagency Fire Center.

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

New York and other neighboring states are under an air-quality advisory due to influx of smoke from ongoing wildfires in ...

Detroit currently is ranked third worst worldwide for major city air quality today, Aug. 4, because of smoke from Canadian ...

This is why even without the presence of smoke, many sunrises and sunsets appear yellow or orange. Smoke particles in the sky ...

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

PHILADELPHIA (WPVI) -- Smoke particles from Canadian wildfires are causing air quality concerns in the Philadelphia region on ...

With hundreds of wildfires burning across Canada, smoke has drifted into the northern United States, lowering air quality ...