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Researcher · Umeå University · Sweden

Ragnberth Helleday

Ragnberth Helleday publishes mostly in Health, Toxicology and Mutagenesis, Pulmonary and Respiratory Medicine and Pollution, on topics such as Air Quality and Health Impacts, Energy and Environment Impacts and Asthma and respiratory diseases.

OpenAlex
World rank
#936,857
of 7,710,434 ranked researchers
Rank in Sweden
#12,006
of 71,437
Works
38
Citations
2.2k
Citations per work
57.1
h-index
21
i10-index 25Top 28% in Health, Toxicology and Mutagenesis
Ragnberth Helleday

What does Ragnberth Helleday research?

Ragnberth Helleday's work is mostly in Environmental Science (47%), Medicine (22%), Health Professions (14%).

Physical Sciences: 18 works · 47.0% of their workEnvironmental Science: 18 works · 47.0% of their workHealth, Toxicology and Mutagenesis: 15 works · 39.2% of their workPollution: 3 works · 7.8% of their workHealth Sciences: 13 works · 35.2% of their workMedicine: 8 works · 21.5% of their workPulmonary and Respiratory Medicine: 5 works · 13.7% of their workPhysiology: 3 works · 7.8% of their workHealth Professions: 5 works · 13.7% of their workGeneral Health Professions: 3 works · 7.8% of their workSpeech and Hearing: 2 works · 5.9% of their workEverything else: 7 works · 17.8% of their workTHEIR WORKRagnberthHelleday38works
Physical Sciences47%Health Sciences35%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Environmental Science1847.0%
    1. Medicine821.5%
    2. Health Professions513.7%
  3. Everything else717.8%
  1. 1Health, Toxicology and Mutagenesis39% of their works
  2. 2Pulmonary and Respiratory Medicine14% of their works
  3. 3Pollution8% of their works
  4. 4Physiology8% of their works
  5. 5General Health Professions8% of their works
  6. 6Speech and Hearing6% of their works

Research topics

Which keywords describe Ragnberth Helleday's research?

The keywords of their largest research topics: Health Effects, Mortality, Oxidative Stress, Air Pollution, Particulate Matter, Public Health, Allergic Diseases and Asthma.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 20 words, with their numbers
  1. Health Effects383 topics
  2. Mortality362 topics
  3. Oxidative Stress342 topics
  4. Air Pollution291 topic
  5. Particulate Matter291 topic
  6. Public Health122 topics
  7. Allergic Diseases81 topic
  8. Asthma81 topic
  9. Household Fuel Use81 topic
  10. Indoor Air Pollution81 topic
  11. COPD71 topic
  12. Climate Change71 topic
  13. Human Health71 topic
  14. spirometry71 topic
  15. Antibody-Catalyzed Ozone Formation51 topic
  16. Environmental Noise51 topic
  17. Noise Pollution51 topic
  18. Ozone Therapy51 topic
  19. Airborne Microorganisms41 topic
  20. Indoor Air Quality41 topic

Where does Ragnberth Helleday work?

Ragnberth Helleday's main affiliation in the publication record is Umeå University, Sweden.

How many publications and citations does Ragnberth Helleday have?

OpenAlex counts 38 works and 2,171 citations for Ragnberth Helleday, an h-index of 21, ranking #936,857 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

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