World's Best Scientists 2026 revealed!
Patrick L. Hayes

Patrick L. Hayes

D-Index & Metrics

Environmental Sciences

D-Index
41
Citations
7867
World Ranking
7626
National Ranking
342

Patrick L. Hayes 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 Patrick L. Hayes 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: 119 publications — 23rd percentile

23% of scientists in this discipline score the same or lower.

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

Patrick L. Hayes 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 Patrick L. Hayes 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: 41 D-Index — 22nd percentile

22% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2020 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Patrick L. Hayes is affiliated with the University of Montreal in Canada. Their research primarily focuses on environmental and atmospheric sciences, contributing to the understanding of air quality, atmospheric chemistry, and related health impacts.

They have published extensively in fields such as Environmental Science and Earth and Planetary Sciences. Their subfields of study include Atmospheric Science, Health, Toxicology and Mutagenesis, Environmental Engineering, Global and Planetary Change, and Automotive Engineering.

The main topics of their work are:

  • Atmospheric chemistry and aerosols
  • Air Quality and Health Impacts
  • Air Quality Monitoring and Forecasting
  • Atmospheric aerosols and clouds
  • Atmospheric Ozone and Climate
  • Atmospheric and Environmental Gas Dynamics
  • Vehicle emissions and performance

Patrick L. Hayes has frequently published in these venues:

  • Atmospheric chemistry and physics
  • Aerosol Science and Technology
  • Environmental Science Atmospheres
  • Atmospheric Environment
  • Environmental Science & Technology

Their recent scientific papers include:

  • Secondary organic aerosols from anthropogenic volatile organic compounds contribute substantially to air pollution mortality (2021, Atmospheric chemistry and physics)
  • Contrasting Reactive Organic Carbon Observations in the Southeast United States (SOAS) and Southern California (CalNex) (2020, Environmental Science & Technology)
  • Measurements of Tropospheric Bromine Monoxide Over Four Halogen Activation Seasons in the Canadian High Arctic (2020, Journal of Geophysical Research Atmospheres)
  • Quantification of cooking organic aerosol in the indoor environment using aerodyne aerosol mass spectrometers (2021, Aerosol Science and Technology)
  • Ice nucleating properties of airborne dust from an actively retreating glacier in Yukon, Canada (2022, Environmental Science Atmospheres)

Patrick L. Hayes has collaborated frequently with several co-authors, including Robin Stevens, Nansi Fakhri, Jean Sciare, Charbel Afif, and Andy Vicente-Luis.

Among the recognized honors, they were named Fellow of the American Association for the Advancement of Science (AAAS) in 2020.

Best Publications

  • Volatile chemical products emerging as largest petrochemical source of urban organic emissions.

    Brian C. McDonald;Brian C. McDonald;Joost A. De Gouw;Joost A. De Gouw;Jessica B. Gilman;Shantanu H. Jathar

  • Effects of aging on organic aerosol from open biomass burning smoke in aircraft and laboratory studies

    M. J. Cubison;M. J. Cubison;A. M. Ortega;A. M. Ortega;P. L. Hayes;P. L. Hayes;D. K. Farmer;D. K. Farmer

  • Review of Urban Secondary Organic Aerosol Formation from Gasoline and Diesel Motor Vehicle Emissions

    Drew R. Gentner;Shantanu H. Jathar;Timothy D. Gordon;Timothy D. Gordon;Roya Bahreini

  • Organic aerosol composition and sources in Pasadena, California, during the 2010 CalNex campaign

    P. L. Hayes;A. M. Ortega;M. J. Cubison;K. D. Froyd;K. D. Froyd

  • Characterization of a real-time tracer for isoprene epoxydiols-derived secondary organic aerosol (IEPOX-SOA) from aerosol mass spectrometer measurements

    W. W. Hu;P. Campuzano-Jost;B. B. Palm;D. A. Day

  • Fine particle pH and gas–particle phase partitioning of inorganic species in Pasadena, California, during the 2010 CalNex campaign

    Hongyu Guo;Jiumeng Liu;Jiumeng Liu;Karl D. Froyd;Karl D. Froyd;James M. Roberts

  • Simulation of semi-explicit mechanisms of SOA formation from glyoxal in aerosol in a 3-D model

    C. Knote;A. Hodzic;J. L. Jimenez;R. Volkamer

  • Impact of Thermal Decomposition on Thermal Desorption Instruments: Advantage of Thermogram Analysis for Quantifying Volatility Distributions of Organic Species.

    Harald Stark;Harald Stark;Reddy L. N. Yatavelli;Reddy L. N. Yatavelli;Samantha L. Thompson;Samantha L. Thompson;Hyungu Kang;Hyungu Kang

  • Gasoline cars produce more carbonaceous particulate matter than modern filter-equipped diesel cars.

    S. M. Platt;S. M. Platt;I. El Haddad;S. M. Pieber;A. A. Zardini

  • Modeling the formation and aging of secondary organic aerosols in Los Angeles during CalNex 2010

    P. L. Hayes;P. L. Hayes;P. L. Hayes;A. G. Carlton;K. R. Baker;R. Ahmadov;R. Ahmadov

  • Real-time measurements of secondary organic aerosol formation and aging from ambient air in an oxidation flow reactor in the Los Angeles area

    Amber M. Ortega;Patrick L. Hayes;Zhe Peng;Brett B. Palm

  • Semivolatile POA and parameterized total combustion SOA in CMAQv5.2: impacts on source strength and partitioning

    Benjamin N. Murphy;Matthew C. Woody;Jose L. Jimenez;Jose L. Jimenez;Ann Marie G. Carlton

  • Secondary organic aerosols from anthropogenic volatile organic compounds contribute substantially to air pollution mortality

    Benjamin A. Nault;Benjamin A. Nault;Duseong S. Jo;Duseong S. Jo;Brian C. McDonald;Brian C. McDonald;Pedro Campuzano-Jost;Pedro Campuzano-Jost

  • Modeling the formation and aging of secondary organic aerosols during CalNex 2010

    P. L. Hayes;A. G. Carlton;K. R. Baker;R. Ahmadov

  • The glyoxal budget and its contribution to organic aerosol for Los Angeles, California, during CalNex 2010

    R. A. Washenfelder;R. A. Washenfelder;C. J. Young;C. J. Young;S. S. Brown;W. M. Angevine;W. M. Angevine

  • Sources and Secondary Production of Organic Aerosols in the Northeastern United States during WINTER

    J. C. Schroder;J. C. Schroder;P. Campuzano-Jost;P. Campuzano-Jost;D. A. Day;D. A. Day;V. Shah

  • Identification and manipulation of the pleuromutilin gene cluster from Clitopilus passeckerianus for increased rapid antibiotic production.

    Andy M. Bailey;Fabrizio Alberti;Sreedhar Kilaru;Catherine M. Collins

  • Understanding sources of organic aerosol during CalNex-2010 using the CMAQ-VBS

    Matthew C. Woody;Kirk R. Baker;Patrick L. Hayes;Patrick L. Hayes;Patrick L. Hayes;Jose L. Jimenez;Jose L. Jimenez

  • Detailed chemical characterization of unresolved complex mixtures in atmospheric organics: Insights into emission sources, atmospheric processing, and secondary organic aerosol formation

    Arthur W. H. Chan;Arthur W. H. Chan;Gabriel Isaacman;Kevin R. Wilson;David R. Worton

  • Heterogeneous formation of nitryl chloride and its role as a nocturnal NOx reservoir species during CalNex‐LA 2010

    L. H. Mielke;L. H. Mielke;J. Stutz;C. Tsai;S. C. Hurlock

  • Comprehensive characterization of atmospheric organic carbon at a forested site

    James F. Hunter;Douglas A. Day;Douglas A. Day;Brett B. Palm;Brett B. Palm;Reddy L. N. Yatavelli;Reddy L. N. Yatavelli;Reddy L. N. Yatavelli

  • Droplet activation properties of organic aerosols observed at an urban site during CalNex-LA

    Fan Mei;Fan Mei;Patrick L. Hayes;Patrick L. Hayes;Amber Ortega;Amber Ortega;Jonathan W. Taylor

Frequent Co-Authors

Jose L. Jimenez
Jose L. Jimenez University of Colorado Boulder
Jessica B. Gilman
Jessica B. Gilman National Oceanic and Atmospheric Administration
J. A. de Gouw
J. A. de Gouw University of Colorado Boulder
Allen H. Goldstein
Allen H. Goldstein University of California, Berkeley
Rebecca A. Washenfelder
Rebecca A. Washenfelder National Oceanic and Atmospheric Administration
Rodney J. Weber
Rodney J. Weber Georgia Institute of Technology
William C. Kuster
William C. Kuster National Oceanic and Atmospheric Administration
Douglas A. Day
Douglas A. Day University of Colorado Boulder
Weiwei Hu
Weiwei Hu Chinese Academy of Sciences

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