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
1252
National Ranking
1

Heikki Junninen publication distribution in Environmental Sciences in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where Heikki Junninen sits on this spectrum.

41–50 publications: 21 scientists 51–60 publications: 62 scientists 61–70 publications: 133 scientists 71–80 publications: 257 scientists 81–90 publications: 361 scientists 91–100 publications: 440 scientists 101–110 publications: 492 scientists 111–120 publications: 541 scientists 121–130 publications: 617 scientists 131–140 publications: 544 scientists 141–150 publications: 541 scientists 151–160 publications: 539 scientists 161–170 publications: 444 scientists 171–180 publications: 444 scientists 181–190 publications: 400 scientists 191–200 publications: 377 scientists 201–210 publications: 318 scientists 211–220 publications: 282 scientists 221–230 publications: 263 scientists 231–240 publications: 220 scientists 241–250 publications: 217 scientists 251–260 publications: 180 scientists 261–270 publications: 181 scientists 271–280 publications: 155 scientists 281–290 publications: 130 scientists 291–300 publications: 127 scientists 301–310 publications: 130 scientists 311–320 publications: 85 scientists 321–330 publications: 106 scientists 331–340 publications: 80 scientists 341–350 publications: 83 scientists 351–360 publications: 75 scientists 361–370 publications: 69 scientists 371–380 publications: 52 scientists 381–390 publications: 54 scientists 391–400 publications: 56 scientists 401–410 publications: 44 scientists 411–420 publications: 40 scientists 421–430 publications: 36 scientists 431–440 publications: 25 scientists 441–450 publications: 25 scientists 451–460 publications: 32 scientists 461–470 publications: 29 scientists 471–480 publications: 21 scientists 481–490 publications: 26 scientists 491–500 publications: 26 scientists 501–510 publications: 17 scientists 511–520 publications: 19 scientists 521–530 publications: 15 scientists 531–540 publications: 22 scientists 541–550 publications: 12 scientists 551–560 publications: 15 scientists 561–570 publications: 11 scientists 571–580 publications: 19 scientists 581–590 publications: 9 scientists 591–600 publications: 9 scientists 601–610 publications: 7 scientists 611–620 publications: 11 scientists 621–630 publications: 5 scientists 631–640 publications: 5 scientists 641–650 publications: 6 scientists 651–660 publications: 3 scientists 661–670 publications: 3 scientists 671–680 publications: 4 scientists 681–689 publications: 4 scientists 690+ publications: 100 scientists
41 publications 690+

This scientist: 249 publications — 77th percentile

77% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 690 publications or more.

Heikki Junninen D-index placement in Environmental Sciences in 2026

The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where Heikki Junninen sits on this spectrum.

30 D-Index: 12 scientists 31 D-Index: 26 scientists 32 D-Index: 51 scientists 33 D-Index: 88 scientists 34 D-Index: 123 scientists 35 D-Index: 163 scientists 36 D-Index: 206 scientists 37 D-Index: 267 scientists 38 D-Index: 265 scientists 39 D-Index: 275 scientists 40 D-Index: 321 scientists 41 D-Index: 343 scientists 42 D-Index: 305 scientists 43 D-Index: 336 scientists 44 D-Index: 330 scientists 45 D-Index: 348 scientists 46 D-Index: 291 scientists 47 D-Index: 275 scientists 48 D-Index: 272 scientists 49 D-Index: 273 scientists 50 D-Index: 263 scientists 51 D-Index: 232 scientists 52 D-Index: 266 scientists 53 D-Index: 217 scientists 54 D-Index: 198 scientists 55 D-Index: 177 scientists 56 D-Index: 202 scientists 57 D-Index: 204 scientists 58 D-Index: 166 scientists 59 D-Index: 177 scientists 60 D-Index: 166 scientists 61 D-Index: 152 scientists 62 D-Index: 143 scientists 63 D-Index: 150 scientists 64 D-Index: 124 scientists 65 D-Index: 119 scientists 66 D-Index: 120 scientists 67 D-Index: 118 scientists 68 D-Index: 82 scientists 69 D-Index: 98 scientists 70 D-Index: 94 scientists 71 D-Index: 105 scientists 72 D-Index: 74 scientists 73 D-Index: 84 scientists 74 D-Index: 70 scientists 75 D-Index: 67 scientists 76 D-Index: 78 scientists 77 D-Index: 60 scientists 78 D-Index: 59 scientists 79 D-Index: 52 scientists 80 D-Index: 47 scientists 81 D-Index: 38 scientists 82 D-Index: 48 scientists 83 D-Index: 42 scientists 84 D-Index: 42 scientists 85 D-Index: 43 scientists 86 D-Index: 29 scientists 87 D-Index: 37 scientists 88 D-Index: 29 scientists 89 D-Index: 30 scientists 90 D-Index: 34 scientists 91 D-Index: 20 scientists 92 D-Index: 22 scientists 93 D-Index: 17 scientists 94 D-Index: 19 scientists 95 D-Index: 24 scientists 96 D-Index: 21 scientists 97 D-Index: 20 scientists 98 D-Index: 24 scientists 99 D-Index: 17 scientists 100 D-Index: 17 scientists 101 D-Index: 21 scientists 102 D-Index: 25 scientists 103 D-Index: 18 scientists 104 D-Index: 26 scientists 105 D-Index: 20 scientists 106 D-Index: 15 scientists 107 D-Index: 10 scientists 108 D-Index: 13 scientists 109 D-Index: 15 scientists 110 D-Index: 12 scientists 111 D-Index: 8 scientists 112 D-Index: 7 scientists 113 D-Index: 9 scientists 114 D-Index: 6 scientists 115 D-Index: 12 scientists 116 D-Index: 7 scientists 117 D-Index: 8 scientists 118 D-Index: 3 scientists 119 D-Index: 5 scientists 120 D-Index: 7 scientists 121 D-Index: 2 scientists 122 D-Index: 4 scientists 123 D-Index: 8 scientists 124 D-Index: 7 scientists 125 D-Index: 9 scientists 126+ D-Index: 92 scientists
30 D-Index 126+

This scientist: 75 D-Index — 87th percentile

87% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 126 D-Index or more.

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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