The Antarctic ozone layer is currently healing, as a result of global efforts to reduce ozone-depleting substances.

Discover the importance of the ozone layer, its role in shielding Earth from harmful UV radiation, the causes and effects of ...

Bad air quality days are a heightened concern as ozone season begins in North Carolina. Ozone season in the state lasts from ...

Pruitt recommends that everyone keep an eye on the air quality forecasts in their area as well as a few tips on bad air ...

This map tracks air quality near Detroit, and zoom out to see the rest of North America. Smoke from wildfires harmed the air in 2023.

The EPA says Phoenix-area air quality has worsened to “serious” levels, a designation that would trigger growth restrictions, a shift to cleaner energy sources and lower-emission vehicles and ...

Instead, the U.S. air quality index looks at five pollutants regulated under the Clean Air Act: ground-level ozone, ...