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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Environmental Sciences 35 9373 8978 3357 3110 66 3232

Sina Hasheminassab publications per year

The chart shows the history of publications by Sina Hasheminassab between 2013 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Sina Hasheminassab published across 13 years, from 2013 to 2025, averaging 7.3 papers a year. Output peaked at 15 publications in 2018. 29 of the 95 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 2013 to 2025. Vertical axis: number of publications, 0 to 15. Peak 15 publications in 2018. 2013: 2 publications 2014: 4 publications 2015: 2 publications 2016: 10 publications 2017: 7 publications 2018: 15 publications 2019: 8 publications 2020: 10 publications 2021: 3 publications 2022: 2 publications 2023: 3 publications 2024: 15 publications 2025: 14 publications
2013 2025

95 publications in total across all disciplines

View publications per year as a table
Sina Hasheminassab: publications per year, 2013 to 2025
Year Publications
2013 2
2014 4
2015 2
2016 10
2017 7
2018 15
2019 8
2020 10
2021 3
2022 2
2023 3
2024 15
2025 14
Total 95
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Sina Hasheminassab 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 Sina Hasheminassab sits on this spectrum.

No. of scientists
200 400 600
Bar chart with 66 bars. Horizontal axis: publications, 41–50 to 690+. Vertical axis: number of scientists, 0 to 617. Most scientists, 617, have 121–130 publications. The last bar groups every scientist with 690 publications or more. The highlighted bar, 61–70 publications, is where this scientist sits. 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
41–50 publications 690+

This scientist: 66 publications — 2nd percentile

2% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Environmental Sciences scientists by publication count, Research.com 2026 ranking edition. Based on 9,676 ranked scientists.
Publications Scientists This scientist
41–50 21
51–60 62
61–70 133 66
71–80 257
81–90 361
91–100 440
101–110 492
111–120 541
121–130 617
131–140 544
141–150 541
151–160 539
161–170 444
171–180 444
181–190 400
191–200 377
201–210 318
211–220 282
221–230 263
231–240 220
241–250 217
251–260 180
261–270 181
271–280 155
281–290 130
291–300 127
301–310 130
311–320 85
321–330 106
331–340 80
341–350 83
351–360 75
361–370 69
371–380 52
381–390 54
391–400 56
401–410 44
411–420 40
421–430 36
431–440 25
441–450 25
451–460 32
461–470 29
471–480 21
481–490 26
491–500 26
501–510 17
511–520 19
521–530 15
531–540 22
541–550 12
551–560 15
561–570 11
571–580 19
581–590 9
591–600 9
601–610 7
611–620 11
621–630 5
631–640 5
641–650 6
651–660 3
661–670 3
671–680 4
681–689 4
690+ 100
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Sina Hasheminassab 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 Sina Hasheminassab sits on this spectrum.

No. of scientists
100 200 300
Bar chart with 97 bars. Horizontal axis: D-Index, 30 to 126+. Vertical axis: number of scientists, 0 to 348. Most scientists, 348, have 45 D-Index. The last bar groups every scientist with 126 D-Index or more. The highlighted bar, 35 D-Index, is where this scientist sits. 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: 35 D-Index — 5th percentile

5% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Environmental Sciences scientists by D-index, Research.com 2026 ranking edition. Based on 9,676 ranked scientists.
D-Index Scientists This scientist
30 12
31 26
32 51
33 88
34 123
35 163 35
36 206
37 267
38 265
39 275
40 321
41 343
42 305
43 336
44 330
45 348
46 291
47 275
48 272
49 273
50 263
51 232
52 266
53 217
54 198
55 177
56 202
57 204
58 166
59 177
60 166
61 152
62 143
63 150
64 124
65 119
66 120
67 118
68 82
69 98
70 94
71 105
72 74
73 84
74 70
75 67
76 78
77 60
78 59
79 52
80 47
81 38
82 48
83 42
84 42
85 43
86 29
87 37
88 29
89 30
90 34
91 20
92 22
93 17
94 19
95 24
96 21
97 20
98 24
99 17
100 17
101 21
102 25
103 18
104 26
105 20
106 15
107 10
108 13
109 15
110 12
111 8
112 7
113 9
114 6
115 12
116 7
117 8
118 3
119 5
120 7
121 2
122 4
123 8
124 7
125 9
126+ 92
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Overview

Sina Hasheminassab is affiliated with the University of Southern California in the United States. Their research primarily spans the fields of Environmental Science and Earth and Planetary Sciences. Within these areas, their work focuses extensively on subfields such as Health, Toxicology and Mutagenesis; Atmospheric Science; Environmental Engineering; Global and Planetary Change; and Automotive Engineering.

The scientist's research topics include Air Quality and Health Impacts, Atmospheric Chemistry and Aerosols, Air Quality Monitoring and Forecasting, Atmospheric and Environmental Gas Dynamics, Atmospheric Ozone and Climate, Vehicle Emissions and Performance, and the impact of COVID-19 on air quality.

Frequent co-authors collaborating with Sina Hasheminassab include Payam Pakbin, Mohammad H. Sowlat, David J. Diner, Thomas Huang, and Joe Roberts.

Their work is published frequently in the following venues:

  • Atmospheric Environment
  • ACS ES&T Air
  • SSRN Electronic Journal
  • Proceedings of the National Academy of Sciences
  • Geophysical Research Letters

Sina Hasheminassab has contributed to several research papers, including:

  • "Societal shifts due to COVID-19 reveal large-scale complexities and feedbacks between atmospheric chemistry and climate change," 2021, Proceedings of the National Academy of Sciences
  • "Impacts of Traffic Reductions Associated With COVID-19 on Southern California Air Quality," 2020, Geophysical Research Letters
  • "Long-term trends of PM2.5 and its carbon content in the South Coast Air Basin: A focus on the impact of wildfires," 2021, Atmospheric Environment
  • "Two-year-long high-time-resolution apportionment of primary and secondary carbonaceous aerosols in the Los Angeles Basin using an advanced total carbon-black carbon (TC-BC(λ)) method," 2022, The Science of The Total Environment
  • "High time-resolution and time-integrated measurements of particulate metals and elements in an environmental justice community within the Los Angeles Basin: Spatio-temporal trends and source apportionment," 2020, Atmospheric Environment X

Best Publications

  • Performance evaluation of twelve low-cost PM2.5 sensors at an ambient air monitoring site

    Brandon Feenstra;Brandon Feenstra;Vasileios Papapostolou;Sina Hasheminassab;Hang Zhang

  • Long-term source apportionment of ambient fine particulate matter (PM2.5) in the Los Angeles Basin: a focus on emissions reduction from vehicular sources.

    Sina Hasheminassab;Nancy Daher;Bart D. Ostro;Constantinos Sioutas

  • Environmental pollution and emission factors of electronic cigarettes, heat-not-burn tobacco products, and conventional cigarettes

    A. A. Ruprecht;C. De Marco;A. Saffari;P. Pozzi

  • Advances in multiangle satellite remote sensing of speciated airborne particulate matter and association with adverse health effects: from MISR to MAIA

    David J. Diner;Stacey W. Boland;Michael Brauer;Carol Bruegge

  • Spatial and temporal variability of sources of ambient fine particulate matter (PM 2.5 ) in California

    S. Hasheminassab;N. Daher;A. Saffari;D. Wang

  • Societal shifts due to COVID-19 reveal large-scale complexities and feedbacks between atmospheric chemistry and climate change.

    Joshua L Laughner;Jessica L Neu;David Schimel;Paul O Wennberg

  • Associations of oxidative stress and inflammatory biomarkers with chemically-characterized air pollutant exposures in an elderly cohort.

    Xian Zhang;Norbert Staimer;Daniel L. Gillen;Tomas Tjoa

  • Source apportionment of ambient particle number concentrations in central Los Angeles using positive matrix factorization (PMF)

    Mohammad Hossein Sowlat;Sina Hasheminassab;Constantinos Sioutas

  • Seasonal and spatial variability in chemical composition and mass closure of ambient ultrafine particles in the megacity of Los Angeles

    Nancy Daher;Sina Hasheminassab;Martin M. Shafer;James J. Schauer

  • Emission rates of particle number, mass and black carbon by the Los Angeles International Airport (LAX) and its impact on air quality in Los Angeles

    Farimah Shirmohammadi;Mohammad H. Sowlat;Sina Hasheminassab;Arian Saffari

  • Impacts of Traffic Reductions Associated With COVID-19 on Southern California Air Quality

    H. A. Parker;S. Hasheminassab;John D. Crounse;Coleen M. Roehl

  • Associations between microvascular function and short-term exposure to traffic-related air pollution and particulate matter oxidative potential

    Xian Zhang;Norbert Staimer;Tomas Tjoa;Daniel L. Gillen

  • Chemical characterization and source apportionment of indoor and outdoor fine particulate matter (PM2.5) in retirement communities of the Los Angeles Basin

    Sina Hasheminassab;Nancy Daher;Martin M. Shafer;James J. Schauer

  • Oxidative potential of on-road fine particulate matter (PM2.5) measured on major freeways of Los Angeles, CA, and a 10-year comparison with earlier roadside studies

    Farimah Shirmohammadi;Dongbin Wang;Sina Hasheminassab;Vishal Verma

  • Source apportionment and organic compound characterization of ambient ultrafine particulate matter (PM) in the Los Angeles Basin

    Sina Hasheminassab;Nancy Daher;James J. Schauer;Constantinos Sioutas

  • Associations of Source-Specific Fine Particulate Matter With Emergency Department Visits in California.

    Bart Ostro;Brian Malig;Sina Hasheminassab;Kimberly Berger

  • Impact of primary and secondary organic sources on the oxidative potential of quasi-ultrafine particles (PM0.25) at three contrasting locations in the Los Angeles Basin

    Arian Saffari;Sina Hasheminassab;Dongbin Wang;Martin M. Shafer

  • Fine and ultrafine particulate organic carbon in the Los Angeles basin: Trends in sources and composition

    Farimah Shirmohammadi;Sina Hasheminassab;Arian Saffari;James J. Schauer

  • Land use regression models for ultrafine particles, fine particles, and black carbon in Southern California.

    Rena R. Jones;Gerard Hoek;Jared A. Fisher;Sina Hasheminassab

  • Spatio-temporal trends and source apportionment of fossil fuel and biomass burning black carbon (BC) in the Los Angeles Basin.

    Amirhosein Mousavi;Mohammad H. Sowlat;Sina Hasheminassab;Andrea Polidori

Frequent Co-Authors

Constantinos Sioutas
Constantinos Sioutas University of Southern California
James J. Schauer
James J. Schauer University of Wisconsin–Madison
Martin M. Shafer
Martin M. Shafer University of Wisconsin–Madison
Randall V. Martin
Randall V. Martin Washington University in St. Louis
Bart Ostro
Bart Ostro University of California, Davis
David J. Diner
David J. Diner Jet Propulsion Lab
Ralph J. Delfino
Ralph J. Delfino University of California, Irvine
Paul O. Wennberg
Paul O. Wennberg California Institute of Technology
Gerard Hoek
Gerard Hoek Utrecht University
Yuk L. Yung
Yuk L. Yung California Institute of Technology

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