Add Yahoo as a preferred source to see more of our stories on Google. It's true — wildfire smoke exposure is comparable to smoking cigarettes. Experts share why smoke damage is so harmful to our lungs ...

TAMPA, Fla. — Thick, unhealthy haze continues to blanket portions of the country as smoke-filled air drifts south from wildfires burning in Canada. Millions of people across North America are under ...

Reports circulating on social media and some media outlets have equated breathing wildfire smoke in NY to smoking anywhere from 3 to 20 cigarettes, depending on air quality levels in the community.

CLEVELAND, Ohio — On most sunny days, the sky in Cleveland is bright blue and unobscured by dust, smoke or pollution. Compared to many large industrial cities around the world, the air here is ...