År   
2020
2015
2010
2005
2000
1995
1990
   Förorening   
As (kg)
Cd (kg)
CO (t)
Cr (kg)
Cu (kg)
Hg (kg)
NH3 (t)
Ni (kg)
NMVOC (t)
NOx (as NO2) (t)
PAHs (g)
Pb (kg)
PCDD/ PCDF (dioxins/ furans) (g)
SOx (as SO2) (t)
Zn (kg)
TSP (t)
PM2.5 (t)
PM10 (t)
HCB (kg)
PCBs (g)
BC (t)