World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

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

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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