CLEVELAND, Ohio – The Cleveland area now meets the national standard for ground-level ozone levels, according to the U.S.

PROVIDENCE – The state Department of Environmental Management is predicting unhealthy air-qualityconditions Thursday afternoon and evening in Providence, Kent, and Bristol counties due to elevated ...

Ground Level Ozone is a main ingredient of smog which is harmful air pollution that reduces visibility and poses a major ...

The garden is being used to study ground-level ozone levels in the community. Although ozone is invisible, its effects can be observed on the leaves of certain plants, such as coneflowers, bush beans ...

Expect moderate levels of ground-level ozone, an urban pollutant that can affect those with sensitive respiratory systems, to be in the skies over the Houston metro area on Friday, according to Texas ...

A new study finds climate change is likely to make upward spikes of ozone at ground level worse by 2050, which could result in many parts of the United States falling out of compliance with air ...

COLUMBIA, S.C. — As the weather gets warmer, some folks -- children, elderly and those with breathing problems like asthma -- begin having issues with their respiratory health due to ground-level ...

Devastating brushfires aren't just an immediate threat to life and property. A new NASA-supported study says the long-term effects for air quality have become a problem. Wildfires are increasingly ...

For decades, the United States made steady progress in reducing surface ozone pollution, the main ingredient in smog. But ...