One of the initiatives of the European Union is the Copernicus programme, which focuses on the comprehensive monitoring of the Earth's environment and atmosphere and information sharing. This ambitious initiative was created to provide research, innovation and information to understand and protect our planet and its resources better.

The publication of open data on the Environmental Portal is a step towards ensuring high-quality and up-to-date data for all environmental stakeholders, researchers, officials, public sector institutions, companies, startups, educational institutions, data scientists, and others.

Every year, ambient air experts prepare annual reviews of pollutant emissions and their trends from local and diffuse emission sources in the country. This page provides an overview of air pollutant emissions in Estonia.