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Environmental Sciences
Finland
2026

D-Index & Metrics

Environmental Sciences

D-Index
94
Citations
40961
World Ranking
496
National Ranking
8

Research.com Recognitions

  • 2026 - Research.com Environmental Sciences in Finland Leader Award
  • 2025 - Research.com Environmental Sciences in Finland Leader Award
  • 2023 - Research.com Environmental Sciences in Finland Leader Award
  • 2022 - Research.com Environmental Sciences in Finland Leader Award

Overview

Ari Laaksonen is affiliated with the Finnish Meteorological Institute in Finland. Their research primarily spans the fields of Earth and Planetary Sciences, with a significant focus on Environmental Science.

The scientist's work is concentrated in several subfields, namely Atmospheric Science, Global and Planetary Change, Health, Toxicology and Mutagenesis, Atomic and Molecular Physics and Optics, and Biomedical Engineering.

Key topics addressed in Laaksonen's research include Atmospheric chemistry and aerosols, Atmospheric aerosols and clouds, nanoparticles nucleation surface interactions, Atmospheric Ozone and Climate, Air Quality and Health Impacts, Atmospheric and Environmental Gas Dynamics, and Advanced Chemical Physics Studies.

Their recent research papers include:

  • The Arctic has warmed nearly four times faster than the globe since 1979 (2022, Communications Earth & Environment)
  • Atmospheric new particle formation from the CERN CLOUD experiment (2023, Nature Geoscience)
  • Estimation of different forest-related contributions to the radiative balance using observations in southern Finland (2024, Boreal Environment Research Journal Archive)
  • Heterogeneous iodine-organic chemistry fast-tracks marine new particle formation (2022, Proceedings of the National Academy of Sciences)
  • A comparison of new particle formation events in the boundary layer at three different sites in Europe (2024, Helda (University of Helsinki))

Frequent co-authors collaborating with Laaksonen are:

  • Jussi Malila
  • Markku Kulmala
  • Annele Virtanen
  • Pasi Miettinen
  • André Welti

The main venues for their published research are:

  • Helda (University of Helsinki)
  • Atmospheric chemistry and physics
  • Boreal Environment Research Journal Archive
  • Zenodo (CERN European Organization for Nuclear Research)
  • Aerosol Research

Best Publications

  • Evolution of Organic Aerosols in the Atmosphere

    J. L. Jimenez;M. R. Canagaratna;N. M. Donahue;A. S. H. Prevot

  • The Arctic has warmed nearly four times faster than the globe since 1979

    Unknown

  • Role of sulphuric acid, ammonia and galactic cosmic rays in atmospheric aerosol nucleation

    Jasper Kirkby;Joachim Curtius;João Almeida;João Almeida;Eimear Dunne

  • Direct observations of atmospheric aerosol nucleation.

    Markku Kulmala;Jenni Kontkanen;Heikki Junninen;Katrianne Lehtipalo

  • Molecular understanding of sulphuric acid-amine particle nucleation in the atmosphere

    Joao Almeida;Joao Almeida;Siegfried Schobesberger;Andreas Kürten;Ismael K. Ortega

  • An amorphous solid state of biogenic secondary organic aerosol particles

    Annele Virtanen;Jorma Joutsensaari;Thomas Koop;Jonna Kannosto

  • The role of low-volatility organic compounds in initial particle growth in the atmosphere

    Jasmin Tröstl;Wayne K. Chuang;Hamish Gordon;Martin Heinritzi

  • Ion-induced nucleation of pure biogenic particles

    Jasper Kirkby;Jasper Kirkby;Jonathan Duplissy;Jonathan Duplissy;Kamalika Sengupta;Carla Frege

  • The effect of physical and chemical aerosol properties on warm cloud droplet activation

    G. Mcfiggans;P. Artaxo;Urs Baltensperger;H. Coe

  • An improved parameterization for sulfuric acid-water nucleation rates for tropospheric and stratospheric conditions

    Hanna Tuula Katariina Vehkamäki;M Kulmala;I Napari;K E J Lehtinen

  • Measurement of the nucleation of atmospheric aerosol particles

    Markku Kulmala;Tuukka Petäjä;Tuomo Nieminen;Mikko Sipilä

  • Oxidation products of biogenic emissions contribute to nucleation of atmospheric particles.

    Francesco Riccobono;Siegfried Schobesberger;Catherine E. Scott;Josef Dommen

  • Cluster activation theory as an explanation of the linear dependence between formation rate of 3nm particles and sulphuric acid concentration

    Markku Kulmala;K. E. J Lehtinen;A Laaksonen

  • Atmospheric sulphuric acid and aerosol formation: implications from atmospheric measurements for nucleation and early growth mechanisms

    S.-L. Sihto;M. Kulmala;V.-M. Kerminen;M. Dal Maso

  • Parameterizations for sulfuric acid/water nucleation rates

    Markka Kulmala;Ari Laaksonen;Liisa Pirjola

  • NUCLEATION: Measurements, Theory, and Atmospheric Applications

    Ari Laaksonen;Vicente Talanquer;David W. Oxtoby

  • Ternary nucleation of H2SO4, NH3, and H2O in the atmosphere

    P. Korhonen;M. Kulmala;A. Laaksonen;Y. Viisanen

  • Molecular understanding of atmospheric particle formation from sulfuric acid and large oxidized organic molecules

    Siegfried Schobesberger;Heikki Junninen;Federico Bianchi;Gustaf Lönn

  • Overview of the international project on biogenic aerosol formation in the boreal forest (BIOFOR)

    M. Kulmala;K. Hämeri;K. Hämeri;P. P. Aalto;J. M. Mäkelä

  • Organic aerosol components derived from 25 AMS data sets across Europe using a consistent ME-2 based source apportionment approach

    M. Crippa;F. Canonaco;V.A. Lanz;M. Äijälä

  • General overview: European Integrated project on Aerosol Cloud Climate and Air Quality interactions (EUCAARI) - integrating aerosol research from nano to global scales

    M. Kulmala;A. Asmi;H. K. Lappalainen;H. K. Lappalainen;U. Baltensperger

Frequent Co-Authors

Markku Kulmala
Markku Kulmala University of Helsinki
Kari E. J. Lehtinen
Kari E. J. Lehtinen University of Eastern Finland
Tuukka Petäjä
Tuukka Petäjä University of Helsinki
James N. Smith
James N. Smith University of California, Irvine
Annele Virtanen
Annele Virtanen University of Eastern Finland
Jonathan Duplissy
Jonathan Duplissy University of Helsinki
Ilona Riipinen
Ilona Riipinen Stockholm University
Katrianne Lehtipalo
Katrianne Lehtipalo University of Helsinki
Urs Baltensperger
Urs Baltensperger Paul Scherrer Institute
Douglas R. Worsnop
Douglas R. Worsnop University of Helsinki

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