Smoke from wildfires in Canada continue to impact air quality in the northern United States, even in the New York City metro area and Hudson Valley.

AUSTIN (KXAN) — It is an unfortunate aspect of the recent past that wildfire smoke pollution has increased. It should be ...

Canadian wildfires are causing poor air quality in parts of the U.S. Air quality alerts have been issued for several states, advising precautions for sensitive groups. The EPA has designated air ...

As Canada grapples with one of its worst wildfire seasons on record, smoke from the blazes have prompted air quality alerts across the U.S.

As wildfires spread across Canada, air quality in the U.S. continues to be impacted, and people sensitive to air pollution could face "serious health effects," according to a government website ...

States' air quality is measured by the EPA's U.S. Air Quality Index, according to AirNow's website. Values with an index of 151 to 200 are deemed unhealthy for all.

Air quality has taken a serious hit across the United States as a two-fold blow of wildfires in the West and in Canada have ...

Canadian wildfires burning across northern Manitoba and Saskatchewan are sending smoke through central Canada, the Great ...