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

On February 9, 2023, an ozone-measuring instrument on the recently launched NOAA-21 satellite opened its doors and, over the course of a week, gathered data for its first global image. The Ozone ...

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

In the stratosphere, ozone acts as a protective layer. But in the troposphere, at ground level, this colorless gas is incredibly harmful to human health and the environment in ways scientists are ...