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Published by Keskkonnaagentuur  /  Compiled by Environment Agency Published: 22.01.2022  /  Updated: 26.06.2025

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.

Since 2000, Estonia has provided data on the country's total and sectoral emissions following the Geneva Convention on Long-Range Transboundary Air Pollution (CLRTAP). Air pollutant emissions are calculated for various fields of activity by both stationary and diffuse emission sources.

Stationary emission source: A single source of emission with a permanent location, including an emission source that is moved at certain intervals, or a group of emission sources located in one production territory. Companies that have an air pollution permit or an integrated environmental permit provide data on emissions from stationary emission sources.

Diffuse emission sources: A small stationary source that is not subject to reporting obligations and a source covering a certain larger area (agriculture, mobile emission sources, households). Mobile emission sources are road transport, rail, air and domestic sea transport as well as industrial and agricultural machinery. Emissions have been calculated based on statistical data and specific emissions (emissions per unit of production or energy) using the harmonised methodologies of the European Environment Agency.

Emissions have been assessed for the following air pollutants:

  • Nitrogen oxides (NOX), sulphur dioxide (SO2), ammonia (NH3), non-methane volatile organic compounds (VOCs), carbon monoxide (CO) and total suspended particles (TSP);
  • Coarse particles (PM10), fine particles (PM2.5) and soot or black carbon (BC);
  • Heavy metals (Pb, Cd, Hg, As, Cr, Cu, Ni, Se, Zn);
  • Persistent organic pollutants (POPs).

More information

International overviews

Reports under the Geneva Convention on Long-Range Transboundary Air Pollution (LRTAP)

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Reports under the National emission ceilings directive for certain air pollutants

Reports under the Directive on the limitation of emissions of certain pollutants into the air from large combustion plants