World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
62
Citations
13158
World Ranking
2623
National Ranking
37

Liisa Pirjola 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 Liisa Pirjola 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: 193 publications — 62nd percentile

62% of scientists in this discipline score the same or lower.

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

Liisa Pirjola 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 Liisa Pirjola 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: 62 D-Index — 74th percentile

74% of scientists in this discipline score the same or lower.

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

Overview

Liisa Pirjola is affiliated with Helsinki Metropolia University of Applied Sciences in Finland. Their research primarily spans the fields of Environmental Science, Earth and Planetary Sciences, and Engineering. Within these broader areas, the subfields of focus include Atmospheric Science, Health, Toxicology and Mutagenesis, Automotive Engineering, Environmental Engineering, and General Health Professions.

The main topics covered in their work involve air quality and health impacts, atmospheric chemistry and aerosols, vehicle emissions and performance, air quality monitoring and forecasting, wind and air flow studies, maritime transport emissions and efficiency, as well as hermeneutics and narrative identity.

Several recent papers illustrate the breadth of their research contributions:

  • "Variation of Absorption Ångström Exponent in Aerosols From Different Emission Sources," 2021, Journal of Geophysical Research Atmospheres
  • "Particulate emissions of a modern diesel passenger car under laboratory and real-world transient driving conditions," 2020, Environmental Pollution
  • "Sources of black carbon at residential and traffic environments obtained by two source apportionment methods," 2021, Atmospheric chemistry and physics
  • "In-depth characterization of submicron particulate matter inter-annual variations at a street canyon site in northern Europe," 2021, Atmospheric chemistry and physics
  • "Determinants of spatial variability of air pollutant concentrations in a street canyon network measured using a mobile laboratory and a drone," 2022, The Science of The Total Environment

The scientist frequently collaborates with several co-authors. These include Topi Rönkkö, Hilkka Timonen, Jarkko V. Niemi, Minna Aurela, and Heino Kuuluvainen.

In terms of publication venues, Liisa Pirjola has contributed to journals such as Atmospheric chemistry and physics, Boreal Environment Research Journal Archive, Zenodo (CERN European Organization for Nuclear Research), The Science of The Total Environment, and Environmental Pollution.

Best Publications

  • Stable sulphate clusters as a source of new atmospheric particles

    Markku Kulmala;Liisa Pirjola;Jyrki M. Mäkelä

  • 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

  • Parameterizations for sulfuric acid/water nucleation rates

    Markka Kulmala;Ari Laaksonen;Liisa Pirjola

  • 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

  • Dynamics and dispersion modelling of nanoparticles from road traffic in the urban atmospheric environment--A review

    Prashant Kumar;Matthias Ketzel;Sotiris Vardoulakis;Liisa Pirjola;Liisa Pirjola

  • Nanoparticle emissions from 11 non-vehicle exhaust sources - A review

    Prashant Kumar;Liisa Pirjola;Liisa Pirjola;Matthias Ketzel;Roy M. Harrison;Roy M. Harrison

  • Traffic is a major source of atmospheric nanocluster aerosol

    Topi Rönkkö;Heino Kuuluvainen;Panu Karjalainen;Jorma Keskinen

  • On the photochemical production of new particles in the coastal boundary layer

    Colin O'Dowd;Gordon McFiggans;David J. Creasey;Liisa Pirjola

  • Nucleation mode particles with a nonvolatile core in the exhaust of a heavy duty diesel vehicle.

    Topi Rönkko;Annele Virtanen;Jonna Kannosto;Jorma Keskinen

  • FORMATION OF SULPHURIC ACID AEROSOLS AND CLOUD CONDENSATION NUCLEI: AN EXPRESSION FOR SIGNIFICANT NUCLEATION AND MODEL COMPRARISON

    Liisa Pirjola;Markku Kulmala;Martin Wilck;Albrecht Bischoff

  • 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

  • Effect of dilution conditions and driving parameters on nucleation mode particles in diesel exhaust : Laboratory and on-road study

    Topi Rönkkö;Annele Virtanen;Kati Vaaraslahti;Jorma Keskinen

  • Characteristics and source apportionment of black carbon in the Helsinki metropolitan area, Finland

    Aku Helin;Jarkko V. Niemi;Aki Virkkula;Liisa Pirjola

  • Exhaust particles of modern gasoline vehicles: A laboratory and an on-road study

    Panu Karjalainen;Liisa Pirjola;Juha Heikkilä;Tero Lähde

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

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

  • How significantly does coagulational scavenging limit atmospheric particle production

    Veli-Matti Kerminen;Liisa Pirjola;Markku Kulmala

  • Model studies on ion‐induced nucleation in the atmosphere

    L. Laakso;J. M. Mäkelä;J. M. Mäkelä;L. Pirjola;M. Kulmala

  • A coupled road dust and surface moisture model to predict non-exhaust road traffic induced particle emissions (NORTRIP). Part 1: Road dust loading and suspension modelling

    Bruce Rolstad Denby;Ingrid Sundvor;Christer Johansson;Liisa Pirjola

  • Can new particle formation occur in the clean marine boundary layer

    Liisa Pirjola;Colin D. O'Dowd;Ian M. Brooks;Markku Kulmala

Frequent Co-Authors

Markku Kulmala
Markku Kulmala University of Helsinki
Topi Rönkkö
Topi Rönkkö Tampere University
Jorma Keskinen
Jorma Keskinen Tampere University
Risto Hillamo
Risto Hillamo Finnish Meteorological Institute
Kaarle Hämeri
Kaarle Hämeri University of Helsinki
Colin D. O'Dowd
Colin D. O'Dowd University of Galway
Tareq Hussein
Tareq Hussein University of Helsinki
Sanna Saarikoski
Sanna Saarikoski Finnish Meteorological Institute
Jaakko Kukkonen
Jaakko Kukkonen Finnish Meteorological Institute
Frank Arnold
Frank Arnold Max Planck Society

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