Three Mile Island’s Unit 1 nuclear reactor operated safely and reliably for decades before the plant was retired in 2019.

Concentrations of ground-level ozone will reach unhealthy levels for sensitive individuals in coastal Rockingham County, ...

For COPD patients, the adage holds true: "the first way to get out of a hole is to quit digging one," said Christopher Mosher ...

Indiana residents are advised to take precautions as wildfire smoke from Canada drifts into the Midwest, leading to unhealthy ...

Massive clouds of pollutants could collide in North Carolina this week and result in poor air quality conditions for millions. Smoke from more than 100 wildfires burning in Canada has drifted into the ...

Dr. Ulep recommends wearing an N-95 mask when spending time outdoors if the air is polluted to that level. To stay healthy ...

A Code Orange alert is in effect in the Philadelphia area, meaning the air is potentially unhealthy for sensitive groups.

CHICAGO (WLS) -- The Chicago area was under an air quality alert Wednesday due to the Canadian wildfire smoke. Environmental officials said the pollutants from the smoke will be sticking around the ...

Some parts of the U.S. have “very unhealthy” air quality, according to the Environmental Protection Agency, and experts say ...

As hundreds of wildfires burn across Canada, smoke is traveling south and potentially affecting Americans’ health. Here's why ...

Smoke from Canadian wildfires worsened air quality in the eastern U.S. on Wednesday as several Midwestern states battled ...