World's Best Scientists 2026 revealed!
Heikki Junninen

Heikki Junninen

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Environmental Sciences
Estonia
2026

D-Index & Metrics

Environmental Sciences

D-Index
75
Citations
28354
World Ranking
1249
National Ranking
1

Research.com Recognitions

  • 2026 - Research.com Environmental Sciences in Estonia Leader Award
  • 2025 - Research.com Environmental Sciences in Estonia Leader Award

Overview

Heikki Junninen is affiliated with the University of Tartu in Estonia and specializes primarily in Environmental Science and Earth and Planetary Sciences. Their research is concentrated on Atmospheric Science and Global and Planetary Change, with additional work in Health, Toxicology and Mutagenesis, Biomedical Engineering, and Environmental Engineering.

The scientist's work covers several topics, notably:

  • Atmospheric chemistry and aerosols
  • Atmospheric aerosols and clouds
  • Air Quality and Health Impacts
  • Atmospheric Ozone and Climate
  • Atmospheric and Environmental Gas Dynamics
  • Vehicle emissions and performance
  • Mass Spectrometry Techniques and Applications

Heikki Junninen has collaborated frequently with several researchers, including Markku Kulmala, Tuukka Petäjä, Veli-Matti Kerminen, Douglas R. Worsnop, and Juha Kangasluoma. These collaborations have contributed to advancing themes in atmospheric research and environmental monitoring.

Their recent papers demonstrate involvement in studies related to particle formation, atmospheric processes, and air pollution monitoring. Selected recent publications include:

  • "Differing Mechanisms of New Particle Formation at Two Arctic Sites", 2020, Geophysical Research Letters
  • "Role of iodine oxoacids in atmospheric aerosol nucleation", 2021, Science
  • "Is reducing new particle formation a plausible solution to mitigate particulate air pollution in Beijing and other Chinese megacities?", 2020, Faraday Discussions
  • "The urban measurement station SMEAR III: Continuous monitoring of air pollution and surface-atmosphere interactions in Helsinki, Finland", 2024, Helda (University of Helsinki)
  • "The Synergistic Role of Sulfuric Acid, Bases, and Oxidized Organics Governing New-Particle Formation in Beijing", 2021, Geophysical Research Letters

The main venues for the scientist's publications include Helda (University of Helsinki), Zenodo (CERN European Organization for Nuclear Research), Atmospheric Chemistry and Physics, SSRN Electronic Journal, and Environmental Science & Technology. The diversity of these venues indicates engagement with both academic and scientific community platforms.

Best Publications

  • A large source of low-volatility secondary organic aerosol

    Mikael Ehn;Joel A. Thornton;Einhard Kleist;Mikko Sipila

  • 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

  • Highly Oxygenated Organic Molecules (HOM) from Gas-Phase Autoxidation Involving Peroxy Radicals: A Key Contributor to Atmospheric Aerosol

    Federico Bianchi;Theo Kurtén;Matthieu Riva;Claudia Mohr

  • 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

  • Methods for imputation of missing values in air quality data sets

    Heikki Junninen;Harri Niska;Kari Tuppurainen;Juhani Ruuskanen

  • Atmospheric new particle formation from sulfuric acid and amines in a Chinese megacity

    Lei Yao;Olga Garmash;Federico Bianchi;Federico Bianchi;Jun Zheng

  • 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

  • A high-resolution mass spectrometer to measure atmospheric ion composition

    H. Junninen;M. Ehn;T. Petäjä;L. Luosujärvi

  • New particle formation in the free troposphere: A question of chemistry and timing.

    Federico Bianchi;Federico Bianchi;Federico Bianchi;Jasmin Tröstl;Heikki Junninen;Carla Frege

  • Toward direct measurement of atmospheric nucleation.

    Markku Kulmala;Ilona Riipinen;Mikko Juhani Sipilä;Hanna E Manninen

  • Production of extremely low volatile organic compounds from biogenic emissions: Measured yields and atmospheric implications

    Tuija Jokinen;Tuija Jokinen;Torsten Berndt;Risto Makkonen;Veli-Matti Kerminen

  • Atmospheric sulphuric acid and neutral cluster measurements using CI-APi-TOF

    T. Jokinen;M. Sipilä;H. Junninen;M. Ehn

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

    Siegfried Schobesberger;Heikki Junninen;Federico Bianchi;Gustaf Lönn

  • Organic condensation: a vital link connecting aerosol formation to cloud condensation nuclei (CCN) concentrations

    I. Riipinen;I. Riipinen;J. R. Pierce;T. Yli-Juuti;T. Nieminen

  • Extensive evaluation of neural network models for the prediction of NO2 and PM10 concentrations, compared with a deterministic modelling system and measurements in central Helsinki

    Jaakko Kukkonen;Leena Partanen;Ari Karppinen;Juhani Ruuskanen

  • 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

  • Molecular-scale evidence of aerosol particle formation via sequential addition of HIO3.

    Mikko Sipilä;Nina Sarnela;Tuija Jokinen;Henning Henschel

Frequent Co-Authors

Markku Kulmala
Markku Kulmala University of Helsinki
Tuukka Petäjä
Tuukka Petäjä University of Helsinki
Douglas R. Worsnop
Douglas R. Worsnop University of Helsinki
Mikael Ehn
Mikael Ehn University of Helsinki
Katrianne Lehtipalo
Katrianne Lehtipalo University of Helsinki
Siegfried Schobesberger
Siegfried Schobesberger University of Eastern Finland
Tuija Jokinen
Tuija Jokinen Cyprus Institute
Jonathan Duplissy
Jonathan Duplissy University of Helsinki
Veli-Matti Kerminen
Veli-Matti Kerminen University of Helsinki
Ari Laaksonen
Ari Laaksonen Finnish Meteorological Institute

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