Utö observations

Utö Atmospheric and Marine Research station schematic drawing; observed parametes and fields of research
Observations at Utö Atmospheric and Marine Research Station

Links for real-time observations at Utö:

Marine weather at Utö

Online marine and meteorological data from Utö Online marine data from VOS Silja Serenade (operating between Helsinki, Mariehamn and Stockholm; route approximately 10 km south of Utö). Data not available during the period with sea ice (typically December - February)

Meteorological observations

Skip Utö observations91 table
Variable
Start of measurements
Institute
T, p, WS, WD, RH
 1881
 FMI
Precipitation
 1881
 FMI
Global radiation
 1998
 FMI
Diffuse radiation
 1998
 FMI
UV-radiation
 1998
 FMI
Visibility
 2002
 FMI
Cloud cover and height
 2006
 FMI
Wind profile (Doppler lidar)
 2012
 FMI
Weather camera
 2014
 FMI
Solar radiation spectra
 2017
 SYKE
Sunphotometer
 2017
 FMI
Solar energy production
 2025
 FMI

Aerosol and trace gas observations

Skip Utö observations92 table
Variable
Start of measurements
Institute
Aerosol chemical composition (PM10)
 1980 koe
 FMI
SO2
 1980
 FMI
NO2
 1986
 FMI
O3
 1986
 FMI
VOC
 1994-2008
 FMI
Fine particles (PM2.5)
 2003
 FMI
Aerosol size distribution
 2004
 FMI
Aerosol absorption
 2007
 FMI
Aerosol scattering
 2010
 FMI
Aerosol chemical composition (PM2.5)
 2011
 FMI
Phosphorus deposition
 2014
 FMI
Radon
 2015
 FMI
Aerosol Optical Depth
 2016
 FMI

Greenhouse gas observations

(See also: ICOS-Utö)

Skip Utö observations93 table
Variable
Start of measurements
Institute
CO2, CH4 and CO concentrations
2012
FMI
CO2- flux
2016
FMI
pCO2
2016
FMI
pH (sea water)
2016
SYKE

Marine observations

Skip Utö observations94 table
 Variable

Start of measurements

Institute
Sea ice observations
1897
FMI (/FIMR)
Temperature and salinity profiling 0-90m
1900
FMI (/FIMR)
Nutrients and chlorophyll
2001

ELY (Centre for Economic Development,
Transport and the Environment)

Wave buoy & SST
2012-2014, 2023 -
FMI
Sea Ice radar
2013
FMI
T-S-O2-profiles (0...-80m)
2013
FMI
Temperature, salinity, O2, turbidity, chlorophyll (at 5 m depth)
2014
FMI
Currents (0...-23m) and surface waves
2014 - 2025
FMI
AIS receiver
2015
FMI
Bottle sampler
2015
SYKE
Chlorophyll, temperature, salinity, phycoscyanin, turbidity, phytoplankton species composition etc (flow-through)
2016
SYKE
Vertical profiles of temperature, salinity, O2, turbidity, chlorophyll, cyanobacteria (0...-76m)
2018
FMI and SYKE
Currents (0...-76m) and surface waves
2018
FMI
Phytoplankton species composition (real-time)
2017
SYKE

Electromagnetic observations

Skip Uto_electromagnetic table
Variable
Start of measurements
Institute
X-band radar
2014
 FMI
Refractivity profiles
2021
 FMI
AIS profiles
2022
 FMI
ADS-B
2024
 FMI
SDR (ETTUS)
2025
 FMI