Wildfire smoke is causing unhealthy air quality across Ohio. Alerts remain in effect until midnight on Friday.

Smoke from wildfires in Canada and Minnesota has been pouring into the Great Lakes and Northeast, turning the sky hazy and ...

Taking a breath outside is like taking a puff. Spending just three hours breathing the smoke-and-toxin-riddled Big Apple air ...

Even short-term exposure to bad air poses major risks to your respiratory health.

Wildfire smoke contains tiny PM2.5 particles that can pose serious health risks. Here's how you can compare prolonged smoke ...

CLEVELAND, Ohio — As Canadian wildfire smoke pushed Northeast Ohio’s air quality to dangerous levels, a striking comparison ...

As outdoor activity surges for the season, discarded cigarettes continue to pose a major wildfire threat in parks, forests, and campgrounds. “These findings highlight a powerful opportunity to reshape ...