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You are here: Home / Environmental topics / Air pollution / Air quality levels in Europe / Find out more / Glossary / Ground-level ozone

Ground-level ozone

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The ozone in the air near the Earth's surface. Also known as ambient or tropospheric ozone. See also ozone, troposphere and ambient air.

Air pollution data centre

Project in the spotlight: The Air Implementation Pilot is a pilot project undertaken jointly by the EEA and the European Commission. It focuses on gaining a better understanding of what cities need in order to better implement EU air quality legislation.; More about this project

Featured article

Many of us might spend up to 90 % of our day indoors — at home, work or school. The quality of the air we breathe indoors also has a direct impact on our health. What determines indoor air quality? ...