Scimago Journal & Country Rank

Journal of Breath Research


United Kingdom

Universities and research institutions in United Kingdom

Subject Area and Category


IOP Publishing Ltd.



Publication type



17527155, 17527163





How to publish in this journal


Journal of Breath Research is dedicated to all aspects of scientific breath research. The traditional focus is on analysis of volatile compounds and aerosols in exhaled breath for the investigation of exogenous exposures, metabolism, toxicology, health status and the diagnosis of disease and breath odours. The journal also welcomes other breath-related topics. Typical areas of interest include: Big laboratory instrumentation: describing new state-of-the-art analytical instrumentation capable of performing high-resolution discovery and targeted breath research; exploiting complex technologies drawn from other areas of biochemistry and genetics for breath research. Engineering solutions: developing new breath sampling technologies for condensate and aerosols, for chemical and optical sensors, for extraction and sample preparation methods, for automation and standardization, and for multiplex analyses to preserve the breath matrix and facilitating analytical throughput. Measure exhaled constituents (e.g. CO2, acetone, isoprene) as markers of human presence or mitigate such contaminants in enclosed environments. Human and animal in vivo studies: decoding the 'breath exposome', implementing exposure and intervention studies, performing cross-sectional and case-control research, assaying immune and inflammatory response, and testing mammalian host response to infections and exogenous exposures to develop information directly applicable to systems biology. Studying inhalation toxicology; inhaled breath as a source of internal dose; resultant blood, breath and urinary biomarkers linked to inhalation pathway. Cellular and molecular level in vitro studies. Clinical, pharmacological and forensic applications. Mathematical, statistical and graphical data interpretation. Join the conversation about this journal

The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.

Pulmonary and Respiratory Medicine2008Q2
Pulmonary and Respiratory Medicine2009Q2
Pulmonary and Respiratory Medicine2010Q2
Pulmonary and Respiratory Medicine2011Q2
Pulmonary and Respiratory Medicine2012Q2
Pulmonary and Respiratory Medicine2013Q2
Pulmonary and Respiratory Medicine2014Q2
Pulmonary and Respiratory Medicine2015Q1
Pulmonary and Respiratory Medicine2016Q1
Pulmonary and Respiratory Medicine2017Q1
Pulmonary and Respiratory Medicine2018Q2
Pulmonary and Respiratory Medicine2019Q2
Pulmonary and Respiratory Medicine2020Q2
Pulmonary and Respiratory Medicine2021Q2

The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

Total Documents

Evolution of the number of published documents. All types of documents are considered, including citable and non citable documents.

Citations per document

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

Cites per documentYearValue
Cites / Doc. (4 years)20070.000
Cites / Doc. (4 years)20083.625
Cites / Doc. (4 years)20091.625
Cites / Doc. (4 years)20102.265
Cites / Doc. (4 years)20112.826
Cites / Doc. (4 years)20122.566
Cites / Doc. (4 years)20133.987
Cites / Doc. (4 years)20143.970
Cites / Doc. (4 years)20153.851
Cites / Doc. (4 years)20163.775
Cites / Doc. (4 years)20173.805
Cites / Doc. (4 years)20183.596
Cites / Doc. (4 years)20193.095
Cites / Doc. (4 years)20203.230
Cites / Doc. (4 years)20213.659
Cites / Doc. (3 years)20070.000
Cites / Doc. (3 years)20083.625
Cites / Doc. (3 years)20091.625
Cites / Doc. (3 years)20102.265
Cites / Doc. (3 years)20112.669
Cites / Doc. (3 years)20122.945
Cites / Doc. (3 years)20133.589
Cites / Doc. (3 years)20144.124
Cites / Doc. (3 years)20154.058
Cites / Doc. (3 years)20164.110
Cites / Doc. (3 years)20174.080
Cites / Doc. (3 years)20182.954
Cites / Doc. (3 years)20193.121
Cites / Doc. (3 years)20203.174
Cites / Doc. (3 years)20213.610
Cites / Doc. (2 years)20070.000
Cites / Doc. (2 years)20083.625
Cites / Doc. (2 years)20091.625
Cites / Doc. (2 years)20101.989
Cites / Doc. (2 years)20112.833
Cites / Doc. (2 years)20122.570
Cites / Doc. (2 years)20133.591
Cites / Doc. (2 years)20144.263
Cites / Doc. (2 years)20154.361
Cites / Doc. (2 years)20164.451
Cites / Doc. (2 years)20173.517
Cites / Doc. (2 years)20182.924
Cites / Doc. (2 years)20192.888
Cites / Doc. (2 years)20203.047
Cites / Doc. (2 years)20213.739
Total Cites 

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

Self Cites20070
Self Cites200810
Self Cites200934
Self Cites201036
Self Cites2011102
Self Cites201269
Self Cites2013114
Self Cites2014227
Self Cites2015141
Self Cites2016236
Self Cites2017183
Self Cites2018147
Self Cites2019115
Self Cites2020133
Self Cites2021117
Total Cites20070
Total Cites200829
Total Cites2009117
Total Cites2010231
Total Cites2011347
Total Cites2012321
Total Cites2013463
Total Cites2014664
Total Cites2015698
Total Cites2016744
Total Cites2017812
Total Cites2018638
Total Cites2019771
Total Cites2020695
Total Cites2021823
External Cites per Doc 
Cites per Doc

Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.

External Cites per document20070
External Cites per document20083.167
External Cites per document20091.239
External Cites per document20102.053
External Cites per document20111.992
External Cites per document20122.471
External Cites per document20132.908
External Cites per document20142.875
External Cites per document20153.376
External Cites per document20162.886
External Cites per document20173.209
External Cites per document20182.327
External Cites per document20192.700
External Cites per document20202.626
External Cites per document20213.180
Cites per document20070.000
Cites per document20083.625
Cites per document20091.625
Cites per document20102.265
Cites per document20112.669
Cites per document20122.945
Cites per document20133.589
Cites per document20144.124
Cites per document20154.058
Cites per document20164.110
Cites per document20174.080
Cites per document20182.954
Cites per document20193.121
Cites per document20203.174
Cites per document20213.610
% International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.

YearInternational Collaboration
Citable documents 
Non-citable documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.

Non-citable documents20070
Non-citable documents20082
Non-citable documents20095
Non-citable documents20107
Non-citable documents20117
Non-citable documents20127
Non-citable documents20139
Non-citable documents20149
Non-citable documents20157
Non-citable documents20165
Non-citable documents20173
Non-citable documents20185
Non-citable documents20194
Non-citable documents20205
Non-citable documents20216
Citable documents20070
Citable documents20086
Citable documents200967
Citable documents201095
Citable documents2011123
Citable documents2012102
Citable documents2013120
Citable documents2014152
Citable documents2015165
Citable documents2016176
Citable documents2017196
Citable documents2018211
Citable documents2019243
Citable documents2020214
Citable documents2021222
Cited documents 
Uncited documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

Uncited documents20070
Uncited documents20082
Uncited documents200928
Uncited documents201031
Uncited documents201139
Uncited documents201221
Uncited documents201323
Uncited documents201421
Uncited documents201531
Uncited documents201625
Uncited documents201726
Uncited documents201837
Uncited documents201939
Uncited documents202035
Uncited documents202139
Cited documents20070
Cited documents20086
Cited documents200944
Cited documents201071
Cited documents201191
Cited documents201288
Cited documents2013106
Cited documents2014140
Cited documents2015141
Cited documents2016156
Cited documents2017173
Cited documents2018179
Cited documents2019208
Cited documents2020184
Cited documents2021189
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