World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
69
Citations
14996
World Ranking
1809
National Ranking
22

Kaarle Hämeri 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 Kaarle Hämeri 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: 283 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: 25 scientists 501–510 publications: 17 scientists 511–520 publications: 18 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 681–686 publications: 3 scientists 687+ publications: 100 scientists
41 publications 687+

This scientist: 198 publications — 64th percentile

64% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 687 publications or more.

Kaarle Hämeri 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 Kaarle Hämeri 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: 199 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: 19 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: 99 scientists
30 D-Index 125+

This scientist: 69 D-Index — 82nd percentile

82% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 125 D-Index or more.

Overview

Kaarle Hämeri is affiliated with the University of Helsinki in Finland and focuses their research on environmental science, earth and planetary sciences, and health professions. Their work predominantly intersects atmospheric science, health-related issues, and engineering disciplines, addressing topics such as atmospheric chemistry and aerosols, air quality and health impacts, and vehicle emissions.

Their recent publications demonstrate a focus on particle number size distributions and aerosol characterization, with notable papers including:

  • Evaluation of an automatic algorithm for fitting the particle number size distributions, 2024, Boreal Environment Research Journal Archive
  • Technical control of nanoparticle emissions from desktop 3D printing, 2021, Indoor Air
  • Fingerprints of the urban particle number size distribution in Helsinki, Finland: Local versus regional characteristics, 2024, Helda (University of Helsinki)
  • Airborne and deposited radioactivity from the Chernobyl accident: a review of investigations in Finland, 2024, Helda (University of Helsinki)
  • Biogenic aerosol formation in the boreal forest, 2024, Boreal Environment Research Journal Archive

Hämeri's frequent collaborators include:

  • Markku Kulmala
  • Tareq Hussein
  • Tuukka Petäjä
  • Ismo Kalevi Koponen
  • Timo Vesala

The scientist has published most extensively in the Boreal Environment Research Journal Archive and Helda (University of Helsinki), followed by contributions to journals such as Indoor Air and Annals of Work Exposures and Health.

Hämeri's work covers various subfields including:

  • Atmospheric Science
  • General Health Professions
  • Health, Toxicology and Mutagenesis
  • Automotive Engineering
  • Global and Planetary Change

Key thematic areas in their research encompass:

  • Atmospheric chemistry and aerosols
  • Air Quality and Health Impacts
  • Hermeneutics and Narrative Identity
  • Aging, Elder Care, and Social Issues
  • Health, Medicine and Society
  • Vehicle emissions and performance
  • Air Quality Monitoring and Forecasting

Best Publications

  • Marine aerosol formation from biogenic iodine emissions

    Colin D. O'Dowd;Colin D. O'Dowd;Jose L. Jimenez;Richard C. Bahreini;Richard C. Flagan

  • On the formation, growth and composition of nucleation mode particles

    M. Kulmala;M. Dal maso;J. M. Mäkelä;L. Pirjola

  • Hygroscopic properties of submicrometer atmospheric aerosol particles measured with H-TDMA instruments in various environments—a review

    Erik Swietlicki;H-C Hansson;K Hameri;Birgitta Svenningsson

  • A simple procedure for correcting loading effects of aethalometer data.

    Aki Virkkula;Timo Mäkelä;Risto Hillamo;Tarja Yli-Tuomi

  • Physical characterization of aerosol particles during nucleation events

    Pasi Aalto;Kaarle Hämeri;E. D. O. Becker;Rodney Weber

  • 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

  • The concentrations and composition of and exposure to fine particles (PM2.5) in the Helsinki subway system

    Päivi Aarnio;Tarja Yli-Tuomi;Anu Kousa;Timo Mäkelä

  • Particle size characterization and emission rates during indoor activities in a house

    Tareq Hussein;Tareq Hussein;Thodoros Glytsos;Jakub Ondráček;Pavla Dohányosová

  • Urban aerosol number size distributions

    T. Hussein;A. Puustinen;P. P. Aalto;J. M. Mäkelä

  • A dedicated study of new particle formation and fate in the coastal environment (PARFORCE): overview of objectives and achievements

    Colin D. O'Dowd;Colin D. O'Dowd;Kaarle Hämeri;Kaarle Hämeri;Jyrki M. Mäkelä;Jyrki M. Mäkelä;Liisa Pirjola

  • Nanotechnologies, engineered nanomaterials and occupational health and safety – A review

    K. Savolainen;L. Pylkkänen;H. Norppa;G. Falck

  • Long-term field measurements of atmosphere-surface interactions in boreal forest combining forest ecology, micrometeorology, aerosol physics and atmospheric chemistry

    Timo Vesala;Jyrki Haataja;Pasi Pekka Aalto;Nuria Altimir

  • Evaluation of an automatic algorithm for fitting the particle number size distributions

    Tareq Hussein;Miikka Dal Maso;Tuukka Petäjä;Ismo K. Koponen

  • Meteorological dependence of size-fractionated number concentrations of urban aerosol particles

    Tareq Hussein;Tareq Hussein;Ari Karppinen;Ari Karppinen;Jaakko Kukkonen;Jaakko Kukkonen;Jari Härkönen;Jari Härkönen

  • Indoor-outdoor relationships of particle number and mass in four European cities

    Gerard Hoek;Gerard Kos;Roy M. Harrison;Jeroen de Hartog

  • “Sniffer”—a novel tool for chasing vehicles and measuring traffic pollutants

    L. Pirjola;H. Parviainen;T. Hussein;T. Hussein;A. Valli

  • Hygroscopic growth of ultrafine ammonium sulphate aerosol measured using an ultrafine tandem differential mobility analyzer

    Kaarle Hämeri;Minna Väkevä;Hans-Christen Hansson;Ari Laaksonen

  • Hygroscopic properties of aerosol particles in the north-eastern Atlantic during ACE-2

    Erik Swietlicki;Jingchuan Zhou;David S. Covert;Kaarle Hämeri

  • Coastal new particle formation: Environmental conditions and aerosol physicochemical characteristics during nucleation bursts

    Colin D. O'Dowd;Colin D. O'Dowd;Colin D. O'Dowd;Kaarle Hämeri;Jyrki Mäkelä;Minna Väkeva

  • Measurements in a highly polluted Asian mega city: observations of aerosol number size distribution, modal parameters and nucleation events

    P. Mönkkönen;I. K. Koponen;K. E. J. Lehtinen;K. Hämeri;K. Hämeri

  • Spatial variation of aerosol number concentration in Helsinki city

    G. Buzorius;K. Hämeri;J. Pekkanen;M. Kulmala

Frequent Co-Authors

Markku Kulmala
Markku Kulmala University of Helsinki
Tareq Hussein
Tareq Hussein University of Helsinki
Pasi Aalto
Pasi Aalto University of Helsinki
Colin D. O'Dowd
Colin D. O'Dowd University of Galway
Tuukka Petäjä
Tuukka Petäjä University of Helsinki
Liisa Pirjola
Liisa Pirjola Helsinki Metropolia University of Applied Sciences
Jyrki M. Mäkelä
Jyrki M. Mäkelä Tampere University
Roy M. Harrison
Roy M. Harrison University of Birmingham
Ari Laaksonen
Ari Laaksonen Finnish Meteorological Institute
Timo Vesala
Timo Vesala University of Helsinki

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