Aonitoring NÖNcompliance 
NO, - EF for measured ship plumes from 2014 to 
2020 in Wedel, Bremerhaven and Kiel (n=45346) 
8000 
LA 
FF 
ku 
6000 - 
= NO,/CO, > NO, - EF 
[g/kg fuel] 
) 
E 
w 
I 
» 4000 - 
4 
5 
© 2000 - 
nn 
E 
> 
Pa 
f“ 
n 
. tn 
© © © © © © © © © © © © OO © © © 
a NM sr U WO CO ©) © — N 8 <sr' un mn 
/ — —. — — — — A 
NO, emission factor [g/kg fuel] 
a}