Karoline K. Barkjohn

1.2k total citations · 1 hit paper
20 papers, 729 citations indexed

About

Karoline K. Barkjohn is a scholar working on Health, Toxicology and Mutagenesis, Environmental Engineering and Speech and Hearing. According to data from OpenAlex, Karoline K. Barkjohn has authored 20 papers receiving a total of 729 indexed citations (citations by other indexed papers that have themselves been cited), including 20 papers in Health, Toxicology and Mutagenesis, 13 papers in Environmental Engineering and 7 papers in Speech and Hearing. Recurrent topics in Karoline K. Barkjohn's work include Air Quality and Health Impacts (18 papers), Air Quality Monitoring and Forecasting (13 papers) and Noise Effects and Management (7 papers). Karoline K. Barkjohn is often cited by papers focused on Air Quality and Health Impacts (18 papers), Air Quality Monitoring and Forecasting (13 papers) and Noise Effects and Management (7 papers). Karoline K. Barkjohn collaborates with scholars based in United States, China and Ireland. Karoline K. Barkjohn's co-authors include Andrea L. Clements, B. Gantt, James J. Schauer, Junfeng Zhang, Yinping Zhang, Christina Norris, Marilyn Black, Michael Bergin, Xiaoxing Cui and Lin Fang and has published in prestigious journals such as Environmental Science & Technology, PLoS ONE and The Science of The Total Environment.

In The Last Decade

Karoline K. Barkjohn

18 papers receiving 725 citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Development and application of a United States-wide correction for PM _2.5 data collected with the PurpleAir sensor

2021 195 citations Karoline K. Barkjohn, B. Gantt et al. Atmospheric measurement techniques profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Karoline K. Barkjohn United States	16	597	415	170	111	87	20	729
Jules Kerckhoffs Netherlands	14	801 1.3×	504 1.2×	182 1.1×	108 1.0×	116 1.3×	38	955
Wen-Whai Li United States	14	447 0.7×	225 0.5×	93 0.5×	44 0.4×	118 1.4×	21	553
Ali S. Kamal United States	13	709 1.2×	276 0.7×	111 0.7×	91 0.8×	73 0.8×	18	801
Noel J. Aquilina Malta	16	632 1.1×	233 0.6×	107 0.6×	60 0.5×	90 1.0×	35	841
Amit U. Raysoni United States	14	535 0.9×	288 0.7×	93 0.5×	33 0.3×	152 1.7×	29	630
Ming‐Yi Tsai Switzerland	18	812 1.4×	334 0.8×	146 0.9×	89 0.8×	184 2.1×	39	971
Christina Norris United States	15	570 1.0×	268 0.6×	83 0.5×	35 0.3×	101 1.2×	21	670
L.-J. Sally Liu United States	12	711 1.2×	336 0.8×	126 0.7×	44 0.4×	153 1.8×	14	779
Chanjuan Zheng China	9	635 1.1×	244 0.6×	86 0.5×	43 0.4×	89 1.0×	10	727
Armando Retama Mexico	16	705 1.2×	352 0.8×	596 3.5×	311 2.8×	64 0.7×	39	1.1k

Countries citing papers authored by Karoline K. Barkjohn

Since Specialization

Citations

This map shows the geographic impact of Karoline K. Barkjohn's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Karoline K. Barkjohn with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Karoline K. Barkjohn more than expected).

Fields of papers citing papers by Karoline K. Barkjohn

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Karoline K. Barkjohn. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Karoline K. Barkjohn. The network helps show where Karoline K. Barkjohn may publish in the future.

Co-authorship network of co-authors of Karoline K. Barkjohn

This figure shows the co-authorship network connecting the top 25 collaborators of Karoline K. Barkjohn. A scholar is included among the top collaborators of Karoline K. Barkjohn based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Karoline K. Barkjohn. Karoline K. Barkjohn is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Barkjohn, Karoline K., et al.. (2025). Evaluation of Long-Term Performance of Six PM2.5 Sensor Types. Sensors. 25(4). 1265–1265.

He, Linchen, Christina Norris, Karoline K. Barkjohn, et al.. (2024). Nasal oxidative stress mediating the effects of colder temperature exposure on pediatric asthma symptoms. Pediatric Research. 96(4). 1045–1051.

He, Linchen, Christina Norris, Karoline K. Barkjohn, et al.. (2023). Associations between personal apparent temperature exposures and asthma symptoms in children with asthma. PLoS ONE. 18(11). e0293603–e0293603. 3 indexed citations

deSouza, Priyanka, Karoline K. Barkjohn, Andrea L. Clements, et al.. (2023). An analysis of degradation in low-cost particulate matter sensors. Environmental Science Atmospheres. 3(3). 521–536. 17 indexed citations

Barkjohn, Karoline K., et al.. (2022). Correction and Accuracy of PurpleAir PM2.5 Measurements for Extreme Wildfire Smoke. Sensors. 22(24). 9669–9669. 49 indexed citations

Barkjohn, Karoline K., B. Gantt, & Andrea L. Clements. (2021). Development and application of a United States-wide correction for PM _2.5 data collected with the PurpleAir sensor. Atmospheric measurement techniques. 14(6). 4617–4637. 195 indexed citations breakdown →

He, Linchen, Christina Norris, Xiaoxing Cui, et al.. (2021). Oral cavity response to air pollutant exposure and association with pulmonary inflammation and symptoms in asthmatic children. Environmental Research. 206. 112275–112275. 23 indexed citations

Barkjohn, Karoline K., et al.. (2021). Creating Clean Air Spaces During Wildland Fire Smoke Episodes: Web Summit Summary. Frontiers in Public Health. 9. 508971–508971. 19 indexed citations

He, Linchen, Christina Norris, Xiaoxing Cui, et al.. (2021). Role of endogenous melatonin in pathophysiologic and oxidative stress responses to personal air pollutant exposures in asthmatic children. The Science of The Total Environment. 773. 145709–145709. 14 indexed citations

10.

He, Linchen, Christina Norris, Xiaoxing Cui, et al.. (2021). Personal Exposure to PM_2.5 Oxidative Potential in Association with Pulmonary Pathophysiologic Outcomes in Children with Asthma. Environmental Science & Technology. 55(5). 3101–3111. 44 indexed citations

11.

Barkjohn, Karoline K., Christina Norris, Xiaoxing Cui, et al.. (2020). Real‐time measurements of PM _2.5 and ozone to assess the effectiveness of residential indoor air filtration in Shanghai homes. Indoor Air. 31(1). 74–87. 42 indexed citations

12.

Barkjohn, Karoline K., Christina Norris, Xiaoxing Cui, et al.. (2020). Children’s microenvironmental exposure to PM2.5 and ozone and the impact of indoor air filtration. Journal of Exposure Science & Environmental Epidemiology. 30(6). 971–980. 20 indexed citations

13.

Lal, Raj M., Kirti Das, Yingling Fan, et al.. (2020). Connecting Air Quality with Emotional Well-Being and Neighborhood Infrastructure in a US City. Environmental Health Insights. 14. 1000579872–1000579872. 17 indexed citations

14.

He, Linchen, Zhen Li, Yanbo Teng, et al.. (2020). Associations of personal exposure to air pollutants with airway mechanics in children with asthma. Environment International. 138. 105647–105647. 39 indexed citations

15.

He, Linchen, Xiaoxing Cui, Zhen Li, et al.. (2020). Malondialdehyde in Nasal Fluid: A Biomarker for Monitoring Asthma Control in Relation to Air Pollution Exposure. Environmental Science & Technology. 54(18). 11405–11413. 31 indexed citations

16.

Norris, Christina, Karoline K. Barkjohn, Mike Bergin, et al.. (2019). The impact of household air cleaners on the oxidative potential of PM2.5 and the role of metals and sources associated with indoor and outdoor exposure. Environmental Research. 181. 108919–108919. 46 indexed citations

17.

Norris, Christina, Karoline K. Barkjohn, Mike Bergin, et al.. (2019). The impact of household air cleaners on the chemical composition and children's exposure to PM2.5 metal sources in suburban Shanghai. Environmental Pollution. 253. 190–198. 46 indexed citations

18.

Norris, Christina, Lin Fang, Karoline K. Barkjohn, et al.. (2019). Sources of volatile organic compounds in suburban homes in Shanghai, China, and the impact of air filtration on compound concentrations. Chemosphere. 231. 256–268. 45 indexed citations

19.

Liu, Meichen, Karoline K. Barkjohn, Christina Norris, et al.. (2019). Using low-cost sensors to monitor indoor, outdoor, and personal ozone concentrations in Beijing, China. Environmental Science Processes & Impacts. 22(1). 131–143. 24 indexed citations

20.

Barkjohn, Karoline K., Michael Bergin, Christina Norris, et al.. (2019). Using Low-cost sensors to Quantify the Effects of Air Filtration on Indoor and Personal Exposure Relevant PM2.5 Concentrations in Beijing, China. Aerosol and Air Quality Research. 20(2). 297–313. 55 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

Explore authors with similar magnitude of impact