This is the Arctic Space Centre in Sodankylä.
FMI-ARC provides several meteorological measurements and satellite data reception and processing.
For visitors we offer measurement infrastructure, workshop and accommodation facilities.
The ozone vertical distribution at Sodankylä is measured every Wednesday by launching an ozonesonde. During special campaigns there may be additional launches.
The black line is the profile from the latest sounding. For comparison, the blue line shows the average of the same month for the years 1989-2001.
If the balloon reaches altitude high enough, total column ozone expressed in Dobson Units (DU) can be calculated from the profile.
Amount of ozone from last 12 months as a funcion of time and height.
You can also take a look yearly panles since 1989 from our litdb database.