Emissions accounts shall include data on residual emissions of gaseous and particulate matter by resident units as defined in the European System of National and Regional Accounts (ESS). “Air emissions” means the physical flow of gaseous or particulate matter into the atmosphere (which is part of the environment) from the national economy (production or consumption processes). The classifications used are: According to Regulation of the European Parliament and of the Council (EU) No 691/2011 on economic accounts for the European environment, statistics are being compiled on the following air emissions: carbon dioxide (CO2) excluding biomass; carbon dioxide from biomass (biomass CO2); nitrogen oxides (N2O); methane (CH4); perfluorocarbons (PFCs); hydrofluorocarbons (HFCs); sulphur hexafluoride (SF6); nitrogen oxides (NOx); carbon dioxide (2); carbon dioxide (2); Geographical coverage: the whole territory of the country Time coverage: Since 2008