0 Greenhouse gases (CO2, N2O in CO2 equivalent, CH4 in CO2 equivalent, HFC in CO2 equivalent, PFC in CO2 equivalent, SF6 in CO2 equivalent, NF3 in CO2 equivalent)
1 Carbon dioxide
2 Methane
3 Methane (CO2 equivalent)
4 Nitrous oxide
5 Nitrous oxide (CO2 equivalent)
6 Hydrofluorocarbones (CO2 equivalent)
7 Perfluorocarbones (CO2 equivalent)
8 Nitrogen trifluoride and sulphur hexafluoride (CO2 equivalent)
9 Carbon dioxide from biomass used as a fuel
a Acidifying gases (SOX in SO2 equivalent, NOX in SO2 equivalent, NH3 in SO2 equivalent)
b Sulphur oxides (SO2 equivalent)
c Nitrogen oxides (SO2 equivalent)
d Ammonia (SO2 equivalent)
e Ozone precursors (NMVOC, NOX in NMVOC equivalent, CO in NMVOC equivalent, CH4 in NMVOC equivalent)
f Nitrogen oxides (NMVOC equivalent)
g Carbon monoxide
h Carbon monoxide (NMVOC equivalent)
i Methane (NMVOC equivalent)
j Nitrogen oxides
k Ammonia
l Particulates < 2.5µm
m Particulates < 10µm
n Non-methane volatile organic compounds
Environment indicator
0 Air emissions by resident units (production activities and households)
1 Air emissions by resident units released from use of fuel purchased abroad - total
2 Air emissions by resident units released from use of fuel purchased abroad - fishing vessels
3 Air emissions by resident units released from use of fuel purchased abroad - land transport
4 Air emissions by resident units released from use of fuel purchased abroad - water transport
5 Air emissions by resident units released from use of fuel purchased abroad - air transport
6 Air emissions by non-resident units released from use of fuel purchased on the territory (only if included in national totals according to international conventions) - total
7 Air emissions by non-resident units released from use of fuel purchased on the territory (only if included in national totals according to international conventions) - land transport
8 Air emissions by non-resident units released from use of fuel purchased on the territory (only if included in national totals according to international conventions) - water transport
9 Air emissions by non-resident units released from use of fuel purchased on the territory (only if included in national totals according to international conventions) - air transport
a Other adjustments and statistical differences
b Air emissions as reported to international conventions (UNFCCC and CLRTAP inventories, territory principle)
c Air emissions as reported to international convention including LULUCF (UNFCCC, territory principle)
d Land use, land use change, and forestry (LULUCF)
e Forest land
f Cropland and grassland
g Other land use, land use change, and forestry (LULUCF)
Air emissions accounts totals bridging to emission inventory totals
methods, notes and classification
Methods 
Variables