Those tiny particles within the smoke, known as fine particulate matter or PM 2.5, can get trapped in people’s lungs before entering their bloodstream, causing possible health problems.

HealthDay News — The cardiorespiratory effects of smoke-related fine particulate matter (PM 2.5), a primary wildfire emission that can spike for months after a wildfire begins, can persist for ...

Smoke from wildfires burning in Canada and a Saharan dust cloud could collide over North Carolina this week. Here’s how it could affect air quality in the state.

CHICOPEE, Mass. (WWLP) – Smoke from wildfires burning in Canada is expected to cast a haze over the skies and diminish air quality in Massachusetts. The sun is out across much of western ...

The smoke is even reaching Europe, where it is causing hazy skies but isn't expected to affect surface-air quality. Canada is having another bad wildfire season, and more than 27,000 people in ...

Smoke from Canadian wildfires carried another day of poor air quality south of the border, where conditions in parts of Minnesota, Wisconsin and Michigan were rated “very unhealthy” ...

More than 200 wildfires are raging across Central and Western Canada. That smoke is creating hazy skies in New England and prompting some air quality alerts.

NYC should brace for smoke from Canadian wildfires, but it won’t affect residents how you think, expert says By . David Propper. Published June 4, 2025, 1:34 a.m. ET.

The skies throughout Virginia may be hazy over the next few days due to smoke from the Canadian wildfires. While Virginians likely will not smell the smoke, it is likely to be noticeable from a ...

Wildfire smoke has been fouling U.S. air quality for several days, starting in states bordering Canada, including the Dakotas, Minnesota and other Midwestern states.

The smoke from the Canadian wildfires moved south and passed over the Midwest on Tuesday, and air quality alerts remained in effect on Wednesday across Minnesota, Iowa, Wisconsin, Michigan and Ohio.