This dataset contains time series of turbulent exchange of CO2, heat, momentum, O3 and particles measured at SMEAR II research station near Hyytiälä Forestry Field Station, Juupajoki, Finland, during years 1997–2022. The flux measurements were done with several measurement setups above the forest and at 3 m height below the canopy. The data were exported from SMEAR database on the dataset release date. Most recent version of the data are available at https://smear.avaa.csc.fi/.

2023