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Kjetil Tørseth

Research Director

+47 63 89 81 58

+47 901 46 563

Atmosphere and Climate

Kjeller

kt@nilu.no

Kjetil Tørseth

Kjetil Tørseth received his Dr Scient  degree at NTNU-Trondheim, and has worked at NILU since 1992.Since 1999 he has served as department head/research director.

His expertize includes measurements and data management and assessment of precipitation chemistry, reactive gases, aerosols and climate forcers, and their associated effects on ecosystems, health and climate.

He is engaged in a wide range of programs addressing assessments of air pollution on regional and global scales, including EMEP (head the EMEP Chemical Coordinating Centre), WMO Global Atmosphere Watch (GAW Country contact of Norway, member to the Scientific Advisory Group on Reactive Gases, responsible for the two GAW World Data Centers on Aerosols (GAW-WDCA) and Reactive Gases (GAW-WDCRG). He is also engaged in several research infrastructure activities like ICOS, ACTRIS and SIOS. He has a broad experience from many international research and capacity building projects.

Kjetil Tørseth has 76 publications at NILU:

Critical review of the atmospheric composition observing capabilities for monitoring and forecasting

Eckman, Richard S.; Tanimoto, Hiroshi; Petropavlovskikh, Irina; Simpson, Isobel; Kazadzis, Stelios; Tørseth, Kjetil; Oda, Tomohiro; Lambert, Jean-Christopher; Houweling, Sander; Lakkala, Kaisa; Geddes, Jeffrey; Walker, John; Cooper, Owen R.; Van Weele, Michiel; Moreno, Sergi; Dulguerov, Leilani; Cui, Yuyan; Tarasova, Oksana; Turnbull, John; Thompson, Rona Louise; Zhou, Lihang

2025

Britisk alarm: Avvises i Norge

Tørseth, Kjetil (interview subject); Naustdal, Irene Dafinceska; Mogen, Trym (journalists)

2024

Global relevance of atmospheric observations in the Antarctica

Eckhardt, Sabine; Aas, Wenche; Platt, Stephen Matthew; Lunder, Chris Rene; Fjæraa, Ann Mari; Svendby, Tove Marit; Stebel, Kerstin; Tørseth, Kjetil

2024

Transboundary particulate matter, photo-oxidants, acidifying and eutrophying components

Fagerli, Hilde; Benedictow, Anna Maria Katarina; Blake, Lewis R.; van Caspel, Willem Elias; Denby, Bruce; Gauss, Michael; Jonson, Jan Eiof; Klein, Heiko; Lange, Gunnar Felix; Mousing, Erik Askov; Nyiri, Agnes; Oliviè, Dirk Jan Leo; Segers, Arjo; Simpson, David; Tsyro, Svetlana; Valdebenito Bustamante, Alvaro Moises; Wind, Peter Ariaan; Aas, Wenche; Fiebig, Markus; Hjellbrekke, Anne-Gunn; Solberg, Sverre; Tørseth, Kjetil; Yttri, Karl Espen; Redeyoff, Oscar; Matthews, Bradley; Schindlbacher, Sabine; Ullrich, Bernhard; Wankmüller, Robert; Scheuschner, Thomas; Kuenen, Jeroen J.P.; Guevara, Marc; Jaffrezo, Jean-Luc; Dominutti, Pamela; Uzu, Gaelle; Conil, Sébastien; Favez, Olivier; Močnik, Griša

2024

Global relevance of atmospheric observations in the Antarctica

Eckhardt, Sabine; Aas, Wenche; Platt, Stephen Matthew; Lunder, Chris Rene; Fjæraa, Ann Mari; Svendby, Tove Marit; Stebel, Kerstin; Schmidbauer, Norbert; Tørseth, Kjetil

2024

Widespread Pesticide Distribution in the European Atmosphere Questions their Degradability in Air

Mayer, Ludovic; Degrendele, Celine; Senk, Petr; Kohoutek, Jiří; Přibylovác, Petra; Kukučka, Petr; Melymuk, Lisa; Durand, Amandine; Ravier, Sylvain; Alastuey, Andres; Baker, Alex R.; Baltensperger, Urs; Baumann-Stanzer, Kathrin; Biermann, Tobias; Bohlin-Nizzetto, Pernilla; Ceburnis, Darius; Conil, Sébastien; Couret, Cedric; Degorska, Anna; Diapouli, Evangelia; Eckhardt, Sabine; Eleftheriadis, Konstantinos; Forster, Grant L.; Freier, Korbinian; Gheusi, Francois; Gini, Maria; Hellén, Heidi; Henne, Stephan; Hermann, Hartmut; Šmejkalová, Adéla Holubová; Horrak, Urmas; Hüglin, Christoph; Junninen, Heikki; Kristensson, Adam; Langrene, Laurent; Levula, Janne; Lothon, Marie; Ludewig, Elke; Makkonen, Ulla; Matejovičová, Jana; Mihalopoulos, Nikolaos; Mináriková, Veronika; Moche, Wolfgang; Noe, Steffen M.; Perez, Noemi; Petäjä, Tuukka; Pont, Veronique; Poulain, Laurent; Quivet, Etienne; Ratz, Gabriela; Rehm, Till; Reimann, Stefan; Simmons, Ivan; Sonke, Jeroen E.; Sorribas, Mar; Spoor, Ronald; Swart, Daan P.J.; Vasilatou, Vasiliki; Wortham, Henri; Yela, Margarita; Zarmpas, Pavlos; Zellweger-Fäsi, Claudia; Tørseth, Kjetil; Laj, Paolo G.; Klanova, Jana; Lammel, Gerhard

2024

Composition and sources of carbonaceous aerosol in the European Arctic at Zeppelin Observatory, Svalbard (2017 to 2020)

Yttri, Karl Espen; Bäcklund, Are; Conen, Franz; Eckhardt, Sabine; Evangeliou, Nikolaos; Fiebig, Markus; Kasper-Giebl, Anne; Gold, Avram; Gundersen, Hans; Myhre, Cathrine Lund; Platt, Stephen Matthew; Simpson, David; Surratt, Jason D.; Szidat, Sönke; Rauber, Martin; Tørseth, Kjetil; Ytre-Eide, Martin Album; Zhang, Zhenfa; Aas, Wenche

2024

Trends in Air Pollution in Europe, 2000–2019

Aas, Wenche; Fagerli, Hilde; Alastuey, Andres; Cavalli, Fabrizia; Degorska, Anna; Feigenspan, Stefan; Brenna, Hans; Gliss, Jonas; Heinesen, Daniel; Hueglin, Christoph; Holubová, Adela; Jaffrezo, Jean-Luc; Mortier, Augustin; Murovec, Marijana; Putaud, Jean-Philippe; Rüdige, Julian; Simpson, David; Solberg, Sverre; Tsyro, Svetlana; Tørseth, Kjetil; Yttri, Karl Espen

2024

EMEP CCC update

Tørseth, Kjetil; Aas, Wenche

2023

Changes in the atmospheric chemical composition and impacts on climate, health, and ecosystems

Aas, Wenche; Bohlin-Nizzetto, Pernilla; Eckhardt, Sabine; Myhre, Cathrine Lund; Platt, Stephen Matthew; Solberg, Sverre; Svendby, Tove Marit; Tørseth, Kjetil; Yttri, Karl Espen

2023

Svovelskya kom – slik gjekk det

Tørseth, Kjetil (interview subject); Baas, Jarand Aga (journalist)

2023

Challenges in using EO to characterise vegetation fires in the Global Fire Assimilation System of CAMS

Kaiser, Johannes; Stebel, Kerstin; Tørseth, Kjetil; Parrington, Mark; Di Tomaso, Enza

2023

Transboundary particulate matter, photo-oxidants, acidifying and eutrophying components

Fagerli, Hilde; Benedictow, Anna Maria Katarina; van Caspel, Willem; Gauss, Michael; Ge, Yao; Jonson, Jan Eiof; Klein, Heiko; Nyiri, Agnes; Simpson, David; Tsyro, Svetlana; Valdebenito, Alvaro; Wind, Peter; Aas, Wenche; Hjellbrekke, Anne-Gunn; Solberg, Sverre; Tørseth, Kjetil; Yttri, Karl Espen; Matthews, Bradley; Schindlbacher, Sabine; Ullrich, Bernhard; Wankmüller, Robert; Klimont, Zbigniew; Scheuschner, Thomas; Kuenen, Jeroen J.P.; Hellén, Heidi; Jaffrezo, Jean-Luc; Tusha, Diellëza; Mothes, Falk; Salameh, Therese; van Drooge, Barend L.; Wegener, Robert

2023

Smoke continues to blanket NYC, soon into Norway

Tørseth, Kjetil (interview subject)

2023

Røykpartikler fra Canada har nådd Sørlandet

Tørseth, Kjetil; Evangeliou, Nikolaos (interview subjects); Skår, Kari Løberg; Bjøranger, Ada Drevdal (journalists)

2023

Long-range atmospheric transport of currently-used pesticides over Europe

Mayer, Ludovic; Senk, Petr; Pribylova, Petra; Kukučka, Petr; Durand, Amadine; Ravier, Sylvain; Alastuey, Andres; Baker, Alex R.; Baltensperger, Urs; Baumann-Stanzer, Kathrin; Biermann, Tobias; Bohlin-Nizzetto, Pernilla; Ceburnis, Darius; Conil, Sébastien; Couret, Cedric; Degorska, Anna; Diapouli, Evangelia; Eckhardt, Sabine; Eleftheriadis, Konstantinos; Forster, Grant L.; Freier, Korbinian; Gheusi, Francois; Gini, Maria; Hellén, Heidi; Henne, Stephan; Herrmann, Hartmut; Horrak, Urmas; Smejkalova, Adeala Holubova; Hueglin, Christoph; Junninen, Heikki; Kristensson, Adam; Langrene, Laurent; Levula, Janne; Lien, Olav; Lothon, Marie; Ludewig, Elke; Lyngra, Reidar; Makkonen, Ulla; Markussen, Helge Tore; Matejovičová, Jana; Mihalopoulos, Nikos; Mináriková, Veronika; Moche, Wolfgang; Noe, Steffen M.; Pérez, Noemi; Petäjä, Tuukka; Pont, Veronique; Poulain, Laurent; Quivet, Etienne; Ratz, Gabriela; Rehm, Till; Reimann, Stefan; Simmons, Ivan; Sonke, Jeroen E.; Sorribas, Mar; Spoor, Ronald; Swart, Daan P.J.; Vassilatou, Vassiliki; Wortham, Henri; Yela, Margarita; Zarmpas, Pavlos; Zellweger, Claudia; Tørseth, Kjetil; Laj, Paolo G.; Klanova, Jana; Lammel, Gerhard; Degrendele, Celine

2023

Transboundary particulate matter, photo-oxidants, acidifying and eutrophying components

Fagerli, Hilde; Benedictow, Anna Maria Katarina; Denby, Bruce; Gauss, Michael; Heinesen, Daniel; Jonson, Jan Eiof; Karlsen, Krister Stræte; Klein, Heiko; Mortier, Augustin; Nyiri, Agnes; Segers, Arjo; Simpson, David; Tsyro, Svetlana; Valdebenito Bustamante, Alvaro Moises; Wind, Peter; Aas, Wenche; Hjellbrekke, Anne-Gunn; Solberg, Sverre; Platt, Stephen Matthew; Tørseth, Kjetil; Yttri, Karl Espen; Matthews, Bradley; Schindlbacher, Sabine; Ullrich, Bernhard; Wankmüller, Robert; Klimont, Zbigniew; Scheuschner, Thomas; Fernandez, Ignacio A. Gonzalez; Kuenen, Jeroen

2022

National Mercury Assessment – An Evaluation of the Effectiveness of Norwegian Mercury Regulations and Policies

Braaten, Hans Fredrik Veiteberg; Pfaffhuber, Katrine Aspmo; Routti, Heli Anna Irmeli; Knutsen, Helle Katrine; Bank, Michael; Travnikov, Oleg; Enge, Caroline; Gundersen, Cathrine Brecke; Eckhardt, Sabine; Tørseth, Kjetil; Vejrup, Kristine; Brantsæter, Anne Lise

2022

Long-range transport of pesticides in aerosols over Europe

Mayer, Ludovic; Senk, Petr; Kukučka, Petr; Přibylová, Petra; Durand, Amandine; Ravier, Sylvain; Alastuey, Andres; Bohlin-Nizzetto, Pernilla; Ceburnis, Darius; Conil, Sébastien; Degorska, Anna; Eleftheriadis, Konstantinos; Forster, Grant; Freier, Korbinian; Gheusi, Francois; Smejkalova, Adeala Holubova; Horrak, Urmas; Hueglin, Christoph; Junninen, Heikki; Kristensson, Adam; Lien, Olav; Lyngra, Reidar; Makkonen, Ulla; Mihalopoulos, Nikos; Mináriková, Veronika; Moche, Wolfgang; Petäjä, Tuukka; Pont, Veronique; Poulain, Laurent; Quivet, Etienne; Reimann, Stefan; Simmons, Ivan; Spoor, Ronald; Tørseth, Kjetil; Wortham, Henri; Yela, Margarita; Zellweger, Claudia; Laj, Paolo; Klánová, Jana; Lammel, Gerhard; Degrendele, Celine

2022

Atmospheric composition in the European Arctic and 30 years of the Zeppelin Observatory, Ny-Ålesund

Platt, Stephen Matthew; Hov, Øystein; Berg, Torunn; Breivik, Knut; Eckhardt, Sabine; Eleftheriadis, Konstantinos; Evangeliou, Nikolaos; Fiebig, Markus; Fisher, Rebecca; Hansen, Georg Heinrich; Hansson, Hans-Christen; Heintzenberg, Jost; Hermansen, Ove; Heslin-Rees, Dominic; Holmén, Kim; Hudson, Stephen; Kallenborn, Roland; Krejci, Radovan; Krognes, Terje; Larssen, Steinar; Lowry, David; Myhre, Cathrine Lund; Lunder, Chris Rene; Nisbet, Euan; Bohlin-Nizzetto, Pernilla; Park, Ki-Tae; Pedersen, Christina Alsvik; Pfaffhuber, Katrine Aspmo; Röckmann, Thomas; Schmidbauer, Norbert; Solberg, Sverre; Stohl, Andreas; Ström, Johan; Svendby, Tove Marit; Tunved, Peter; Tørnkvist, Kjersti Karlsen; van der Veen, Carina; Vratolis, Stergios; Jun Yoon, Young; Yttri, Karl Espen; Zieger, Paul; Aas, Wenche; Tørseth, Kjetil

2022

Mercury observations in EMEP

Tørseth, Kjetil; Pfaffhuber, Katrine Aspmo; Aas, Wenche; Rud, Richard Olav

2021

EMEP-CCC status presentation

Tørseth, Kjetil

2021

EBAS Data Licence

Tørseth, Kjetil; Fiebig, Markus; Myhre, Cathrine Lund

2021

Transboundary particulate matter, photo-oxidants, acidifying and eutrophying components

Fagerli, Hilde; Tsyro, Svetlana; Simpson, David; Nyiri, Agnes; Wind, Peter; Gauss, Michael; Benedictow, Anna Maria Katarina; Klein, Heiko; Valdebenito Bustamante, Alvaro Moises; Mu, Qing; Wærsted, Eivind Grøtting; Gliss, Jonas; Brenna, Hans; Mortier, Augustin; Griesfeller, Jan; Aas, Wenche; Hjellbrekke, Anne-Gunn; Solberg, Sverre; Tørseth, Kjetil; Yttri, Karl Espen; Mareckova, Katarina; Matthews, Bradley; Schindlbacher, Sabine; Ullrich, Bernhard; Wankmüller, Robert; Scheuschner, Thomas; Kuenen, Jeroen J.P.

2021

Trends, composition, and sources of carbonaceous aerosol at the Birkenes Observatory, northern Europe, 2001–2018

Yttri, Karl Espen; Canonaco, Francesco; Eckhardt, Sabine; Evangeliou, Nikolaos; Fiebig, Markus; Gundersen, Hans; Hjellbrekke, Anne-Gunn; Myhre, Cathrine Lund; Platt, Stephen Matthew; Prévôt, André S. H.; Simpson, David; Solberg, Sverre; Surratt, Jason D.; Tørseth, Kjetil; Uggerud, Hilde Thelle; Vadset, Marit; Wan, Xin; Aas, Wenche

2021

Transboundary particulate matter, photo-oxidants, acidifying and eutrophying components

Fagerli, Hilde; Tsyro, Svetlana; Jonson, Jan Eiof; Nyiri, Agnes; Simpson, David; Wind, Peter; Benedictow, Anna Maria Katarina; Klein, Heiko; Mu, Qing; Denby, Bruce; Wærsted, Eivind Grøtting; Aas, Wenche; Eckhardt, Sabine; Hjellbrekke, Anne-Gunn; Solberg, Sverre; Platt, Stephen Matthew; Yttri, Karl Espen; Tørseth, Kjetil; Mareckova, Katarina; Matthews, Bradley; Schindlbacher, Sabine; Ullrich, Bernhard; Wankmüller, Robert; Scheuschner, Thomas; Bergström, Robert; van der Gon, Hugo A.C. Denier; Kuenen, Jeroen J.P.; Visschedijk, Antoon J.H.; Reimann, Stefan; Hill, Matthias; Claude, Anja

2020

Review of Observation Capacities and Data Availability for Black Carbon in the Arctic Region

Tørseth, Kjetil; Andrews, Elisabeth; Asmi, Eija; Eleftheriadis, Kostas; Fiebig, Markus; Gilardoni, Stefania; Herber, Andreas; Huang, Lin; Kylling, Arve; Lupi, Angelo; Massling, Andreas; Mazzola, Mauro; Nøjgaard, Jacob Klenø; Popovicheva, Olga; Schichtel, Bret; Schmale, Julia; Sharma, Sangeeta; Skov, Henrik; Stebel, Kerstin; Vasel, Brian; Vitale, Vito; Whaley, Cynthia; Yttri, Karl Espen; Zanatta, Marco

2020

View from Europe (EMEP)

Aas, Wenche; Tørseth, Kjetil

2020

Potential mechanisms for New Particle Formation and growth from aerosol mixing state and volatility observations

Eleftheriadis, Konstantinos; Gini, Maria; Mendes, Luis; Ondráček, Jakub; Krejci, Radovan; Tørseth, Kjetil

2020

Levels of mercury in air

Pirrone, Nicola; Angot, Hélène; Bencardino, Mariantonia; Cinnirella, Sergio; Cole, Amanda; Dommergue, Aurélien; Dvonch, Jospeh Timothy; Ebinghaus, Ralf; Feng, Xinbin; Fino, Alessandra; Fu, Xuewu; Gårdfeldt, Katarina; Gay, David; Horvat, Milena; Jaffe, Dan; Kotnik, Joze; Macagnano, Antonella; Schmeltz, David; Skov, Henrik; Sprovieri, Francesca; Steffen, Alexandra; Sunderland, Elsie; Tørseth, Kjetil; Wilson, Simon

2019

Review of Observation Capacities and Data Availability for Black Carbon in the Arctic Region: EU Action on Black Carbon in the Arctic – Technical Report 1

Tørseth, Kjetil; Andrews, Elisabeth; Asmi, Eija; Eleftheriadis, Kostas; Fiebig, Markus; Herber, Andreas; Huang, Lin; Kylling, Arve; Lupi, Angelo; Massling, Andreas; Mazzola, Mauro; Nøjgaard, Jacob Klenø; Popovicheva, Olga; Schichtel, Bret; Schmale, Julia; Sharma, Sangeeta; Skov, Henrik; Stebel, Kerstin; Vasel, Brian; Vitale, Vito; Whaley, Cynthia; Yttri, Karl Espen; Zanatta, Marco

2019

EMEP-CCC Status report

Tørseth, Kjetil; Aas, Wenche

2019

NILU EU Strategy

Tørseth, Kjetil

2019

Arctic Air pollution

Tørseth, Kjetil

2019

PM10 levels at urban, suburban, and background locations in the eastern Mediterranean: local versus regional sources with emphasis on African dust

Chatoutsidou, Sofia Eirini; Kopanakis, Ilias; Lagouvardos, Konstantinos; Mihalopoulos, Nikolaos; Tørseth, Kjetil; Lazaridis, Mihalis

2019

Nitrogen: den ukjente klimatrusselen

Tørseth, Kjetil; Austnes, Kari (interview subjects); Høseggen, Simen (journalist)

2019

I denne norske byen er mobiltelefoner forbudt

Hermansen, Ove; Tørseth, Kjetil (interview subjects); Andreassen, Rune N. (journalist)

2019

EMEP Monitoring Strategy

Tørseth, Kjetil

2019

Transboundary particulate matter, photo-oxidants, acidifying and eutrophying components

Fagerli, Hilde; Tsyro, Svetlana; Jonson, Jan Eiof; Nyiri, Agnes; Gauss, Michael; Simpson, David; Wind, Peter; Benedictow, Anna Maria Katarina; Klein, Heiko; Mortier, Augustin; Aas, Wenche; Hjellbrekke, Anne-Gunn; Solberg, Sverre; Platt, Stephen Matthew; Yttri, Karl Espen; Tørseth, Kjetil; Gaisbauer, Silke; Mareckova, Katarina; Matthews, Bradley; Schindlbacher, Sabine; Sosa, Carlos; Tista, Melanie; Ullrich, Bernhard; Wankmüller, Robert; Scheuschner, Thomas; Bergström, Robert; Johanson, Lasse; Jalkanen, Jukka-Pekka; Metzger, Swen; van der Gon, Hugo A.C. Denier; Kuenen, Jeroen J.P.; Visschedijk, Antoon J.H.; Barregård, Lars; Molnar, Peter; Stockfelt, Leo

2019

Recent developments in screening and monitoring of airborne contaminants of emerging concern

Schlabach, Martin; Aas, Wenche; Bohlin-Nizzetto, Pernilla; Tørseth, Kjetil

2019

2019

Vi må forvente flere skogbranner

Evangeliou, Nikolaos; Tørseth, Kjetil; Solbakken, Christine Forsetlund

2019

Zeppelinobservatoriet på Svalbard

Tørseth, Kjetil (interview subject); Andreassen, Rune Nordgård (journalist)

2019

Abating N in Nordic agriculture – Policy, measures and way forward

Hellsten, Sofie; Dalgaard, Tommy; Rankinen, Katri; Tørseth, Kjetil; Bakken, Lars; Bechmann, Marianne; Kulmala, Airi; Moldan, Filip; Olofsson, Stina; Piil, Kristoffer; Pira, Kajsa; Turtola, Eila

2019

Transboundary particulate matter, photo-oxidants, acidifying and eutrophying components

Fagerli, Hilde; Tsyro, Svetlana; Jonson, Jan Eiof; Nyiri, Agnes; Gauss, Michael; Simpson, David; Wind, Peter; Benedictow, Anna Maria Katarina; Valdebenito Bustamante, Alvaro Moises; Klein, Heiko; Schulz, Michael; Mortier, Augustin; Aas, Wenche; Hjellbrekke, Anne-Gunn; Solberg, Sverre; Platt, Stephen Matthew; Yttri, Karl Espen; Rud, Richard Olav; Tørseth, Kjetil; Mareckova, Katarina; Matthews, Bradley; Tista, Melanie; Wankmüller, Robert; Posch, Maximilian; Bergström, Robert; Lazzeri, Paolo; Pandolfi, Marco; Luoma, Krista; Aurela, Minna; Lenartz, Fabian; Bergmans, Benjamin; Pittavino, Sara; Tombolato, Ivan

2018

World Data Centre for Aerosol: Status & News 2018

Fiebig, Markus; Fjæraa, Ann Mari; Tørseth, Kjetil; Aas, Wenche

2018

The operational system for forecasting of volcanic ash in Norwegian air space

Fagerli, Hilde; Klein, Heiko; Nyiri, Agnes; Steensen, Birthe Marie Rødssæteren; Schulz, Michael; Mortier, Augustin; Borg, Anette Lauen; Valdebenito Bustamante, Alvaro Moises; Kristiansen, Nina Iren; Kylling, Arve; Sollum, Espen; Eckhardt, Sabine; Stohl, Andreas; Tørseth, Kjetil

2018

The Importance of Nitrogen Oxides for the Exceedance of Critical Thresholds in the Nordic Countries.

Johansson, M.; Suutari, R.; Bak, J.; Lövblad, G.; Posch, M.; Simpson, D.; Tuovinen, J. P.; Tørseth, K.

2001

Decrease in Acid Deposition – Recovery in Norwegian Waters.

Skjelkvåle, B.L.; Tørseth, K.; Aas, W.; Andersen, T.

2001

Kjetil Tørseth received his Dr Scient  degree at NTNU-Trondheim, and has worked at NILU since 1992.Since 1999 he has served as department head/research director.

His expertize includes measurements and data management and assessment of precipitation chemistry, reactive gases, aerosols and climate forcers, and their associated effects on ecosystems, health and climate.

He is engaged in a wide range of programs addressing assessments of air pollution on regional and global scales, including EMEP (head the EMEP Chemical Coordinating Centre), WMO Global Atmosphere Watch (GAW Country contact of Norway, member to the Scientific Advisory Group on Reactive Gases, responsible for the two GAW World Data Centers on Aerosols (GAW-WDCA) and Reactive Gases (GAW-WDCRG). He is also engaged in several research infrastructure activities like ICOS, ACTRIS and SIOS. He has a broad experience from many international research and capacity building projects.

Kjetil Tørseth has 76 publications at NILU:

Critical review of the atmospheric composition observing capabilities for monitoring and forecasting

Eckman, Richard S.; Tanimoto, Hiroshi; Petropavlovskikh, Irina; Simpson, Isobel; Kazadzis, Stelios; Tørseth, Kjetil; Oda, Tomohiro; Lambert, Jean-Christopher; Houweling, Sander; Lakkala, Kaisa; Geddes, Jeffrey; Walker, John; Cooper, Owen R.; Van Weele, Michiel; Moreno, Sergi; Dulguerov, Leilani; Cui, Yuyan; Tarasova, Oksana; Turnbull, John; Thompson, Rona Louise; Zhou, Lihang

2025

Britisk alarm: Avvises i Norge

Tørseth, Kjetil (interview subject); Naustdal, Irene Dafinceska; Mogen, Trym (journalists)

2024

Global relevance of atmospheric observations in the Antarctica

Eckhardt, Sabine; Aas, Wenche; Platt, Stephen Matthew; Lunder, Chris Rene; Fjæraa, Ann Mari; Svendby, Tove Marit; Stebel, Kerstin; Tørseth, Kjetil

2024

Transboundary particulate matter, photo-oxidants, acidifying and eutrophying components

Fagerli, Hilde; Benedictow, Anna Maria Katarina; Blake, Lewis R.; van Caspel, Willem Elias; Denby, Bruce; Gauss, Michael; Jonson, Jan Eiof; Klein, Heiko; Lange, Gunnar Felix; Mousing, Erik Askov; Nyiri, Agnes; Oliviè, Dirk Jan Leo; Segers, Arjo; Simpson, David; Tsyro, Svetlana; Valdebenito Bustamante, Alvaro Moises; Wind, Peter Ariaan; Aas, Wenche; Fiebig, Markus; Hjellbrekke, Anne-Gunn; Solberg, Sverre; Tørseth, Kjetil; Yttri, Karl Espen; Redeyoff, Oscar; Matthews, Bradley; Schindlbacher, Sabine; Ullrich, Bernhard; Wankmüller, Robert; Scheuschner, Thomas; Kuenen, Jeroen J.P.; Guevara, Marc; Jaffrezo, Jean-Luc; Dominutti, Pamela; Uzu, Gaelle; Conil, Sébastien; Favez, Olivier; Močnik, Griša

2024

Global relevance of atmospheric observations in the Antarctica

Eckhardt, Sabine; Aas, Wenche; Platt, Stephen Matthew; Lunder, Chris Rene; Fjæraa, Ann Mari; Svendby, Tove Marit; Stebel, Kerstin; Schmidbauer, Norbert; Tørseth, Kjetil

2024

Widespread Pesticide Distribution in the European Atmosphere Questions their Degradability in Air

Mayer, Ludovic; Degrendele, Celine; Senk, Petr; Kohoutek, Jiří; Přibylovác, Petra; Kukučka, Petr; Melymuk, Lisa; Durand, Amandine; Ravier, Sylvain; Alastuey, Andres; Baker, Alex R.; Baltensperger, Urs; Baumann-Stanzer, Kathrin; Biermann, Tobias; Bohlin-Nizzetto, Pernilla; Ceburnis, Darius; Conil, Sébastien; Couret, Cedric; Degorska, Anna; Diapouli, Evangelia; Eckhardt, Sabine; Eleftheriadis, Konstantinos; Forster, Grant L.; Freier, Korbinian; Gheusi, Francois; Gini, Maria; Hellén, Heidi; Henne, Stephan; Hermann, Hartmut; Šmejkalová, Adéla Holubová; Horrak, Urmas; Hüglin, Christoph; Junninen, Heikki; Kristensson, Adam; Langrene, Laurent; Levula, Janne; Lothon, Marie; Ludewig, Elke; Makkonen, Ulla; Matejovičová, Jana; Mihalopoulos, Nikolaos; Mináriková, Veronika; Moche, Wolfgang; Noe, Steffen M.; Perez, Noemi; Petäjä, Tuukka; Pont, Veronique; Poulain, Laurent; Quivet, Etienne; Ratz, Gabriela; Rehm, Till; Reimann, Stefan; Simmons, Ivan; Sonke, Jeroen E.; Sorribas, Mar; Spoor, Ronald; Swart, Daan P.J.; Vasilatou, Vasiliki; Wortham, Henri; Yela, Margarita; Zarmpas, Pavlos; Zellweger-Fäsi, Claudia; Tørseth, Kjetil; Laj, Paolo G.; Klanova, Jana; Lammel, Gerhard

2024

Composition and sources of carbonaceous aerosol in the European Arctic at Zeppelin Observatory, Svalbard (2017 to 2020)

Yttri, Karl Espen; Bäcklund, Are; Conen, Franz; Eckhardt, Sabine; Evangeliou, Nikolaos; Fiebig, Markus; Kasper-Giebl, Anne; Gold, Avram; Gundersen, Hans; Myhre, Cathrine Lund; Platt, Stephen Matthew; Simpson, David; Surratt, Jason D.; Szidat, Sönke; Rauber, Martin; Tørseth, Kjetil; Ytre-Eide, Martin Album; Zhang, Zhenfa; Aas, Wenche

2024

Trends in Air Pollution in Europe, 2000–2019

Aas, Wenche; Fagerli, Hilde; Alastuey, Andres; Cavalli, Fabrizia; Degorska, Anna; Feigenspan, Stefan; Brenna, Hans; Gliss, Jonas; Heinesen, Daniel; Hueglin, Christoph; Holubová, Adela; Jaffrezo, Jean-Luc; Mortier, Augustin; Murovec, Marijana; Putaud, Jean-Philippe; Rüdige, Julian; Simpson, David; Solberg, Sverre; Tsyro, Svetlana; Tørseth, Kjetil; Yttri, Karl Espen

2024

EMEP CCC update

Tørseth, Kjetil; Aas, Wenche

2023

Changes in the atmospheric chemical composition and impacts on climate, health, and ecosystems

Aas, Wenche; Bohlin-Nizzetto, Pernilla; Eckhardt, Sabine; Myhre, Cathrine Lund; Platt, Stephen Matthew; Solberg, Sverre; Svendby, Tove Marit; Tørseth, Kjetil; Yttri, Karl Espen

2023

Svovelskya kom – slik gjekk det

Tørseth, Kjetil (interview subject); Baas, Jarand Aga (journalist)

2023

Challenges in using EO to characterise vegetation fires in the Global Fire Assimilation System of CAMS

Kaiser, Johannes; Stebel, Kerstin; Tørseth, Kjetil; Parrington, Mark; Di Tomaso, Enza

2023

Transboundary particulate matter, photo-oxidants, acidifying and eutrophying components

Fagerli, Hilde; Benedictow, Anna Maria Katarina; van Caspel, Willem; Gauss, Michael; Ge, Yao; Jonson, Jan Eiof; Klein, Heiko; Nyiri, Agnes; Simpson, David; Tsyro, Svetlana; Valdebenito, Alvaro; Wind, Peter; Aas, Wenche; Hjellbrekke, Anne-Gunn; Solberg, Sverre; Tørseth, Kjetil; Yttri, Karl Espen; Matthews, Bradley; Schindlbacher, Sabine; Ullrich, Bernhard; Wankmüller, Robert; Klimont, Zbigniew; Scheuschner, Thomas; Kuenen, Jeroen J.P.; Hellén, Heidi; Jaffrezo, Jean-Luc; Tusha, Diellëza; Mothes, Falk; Salameh, Therese; van Drooge, Barend L.; Wegener, Robert

2023

Smoke continues to blanket NYC, soon into Norway

Tørseth, Kjetil (interview subject)

2023

Røykpartikler fra Canada har nådd Sørlandet

Tørseth, Kjetil; Evangeliou, Nikolaos (interview subjects); Skår, Kari Løberg; Bjøranger, Ada Drevdal (journalists)

2023

Long-range atmospheric transport of currently-used pesticides over Europe

Mayer, Ludovic; Senk, Petr; Pribylova, Petra; Kukučka, Petr; Durand, Amadine; Ravier, Sylvain; Alastuey, Andres; Baker, Alex R.; Baltensperger, Urs; Baumann-Stanzer, Kathrin; Biermann, Tobias; Bohlin-Nizzetto, Pernilla; Ceburnis, Darius; Conil, Sébastien; Couret, Cedric; Degorska, Anna; Diapouli, Evangelia; Eckhardt, Sabine; Eleftheriadis, Konstantinos; Forster, Grant L.; Freier, Korbinian; Gheusi, Francois; Gini, Maria; Hellén, Heidi; Henne, Stephan; Herrmann, Hartmut; Horrak, Urmas; Smejkalova, Adeala Holubova; Hueglin, Christoph; Junninen, Heikki; Kristensson, Adam; Langrene, Laurent; Levula, Janne; Lien, Olav; Lothon, Marie; Ludewig, Elke; Lyngra, Reidar; Makkonen, Ulla; Markussen, Helge Tore; Matejovičová, Jana; Mihalopoulos, Nikos; Mináriková, Veronika; Moche, Wolfgang; Noe, Steffen M.; Pérez, Noemi; Petäjä, Tuukka; Pont, Veronique; Poulain, Laurent; Quivet, Etienne; Ratz, Gabriela; Rehm, Till; Reimann, Stefan; Simmons, Ivan; Sonke, Jeroen E.; Sorribas, Mar; Spoor, Ronald; Swart, Daan P.J.; Vassilatou, Vassiliki; Wortham, Henri; Yela, Margarita; Zarmpas, Pavlos; Zellweger, Claudia; Tørseth, Kjetil; Laj, Paolo G.; Klanova, Jana; Lammel, Gerhard; Degrendele, Celine

2023

Transboundary particulate matter, photo-oxidants, acidifying and eutrophying components

Fagerli, Hilde; Benedictow, Anna Maria Katarina; Denby, Bruce; Gauss, Michael; Heinesen, Daniel; Jonson, Jan Eiof; Karlsen, Krister Stræte; Klein, Heiko; Mortier, Augustin; Nyiri, Agnes; Segers, Arjo; Simpson, David; Tsyro, Svetlana; Valdebenito Bustamante, Alvaro Moises; Wind, Peter; Aas, Wenche; Hjellbrekke, Anne-Gunn; Solberg, Sverre; Platt, Stephen Matthew; Tørseth, Kjetil; Yttri, Karl Espen; Matthews, Bradley; Schindlbacher, Sabine; Ullrich, Bernhard; Wankmüller, Robert; Klimont, Zbigniew; Scheuschner, Thomas; Fernandez, Ignacio A. Gonzalez; Kuenen, Jeroen

2022

National Mercury Assessment – An Evaluation of the Effectiveness of Norwegian Mercury Regulations and Policies

Braaten, Hans Fredrik Veiteberg; Pfaffhuber, Katrine Aspmo; Routti, Heli Anna Irmeli; Knutsen, Helle Katrine; Bank, Michael; Travnikov, Oleg; Enge, Caroline; Gundersen, Cathrine Brecke; Eckhardt, Sabine; Tørseth, Kjetil; Vejrup, Kristine; Brantsæter, Anne Lise

2022

Long-range transport of pesticides in aerosols over Europe

Mayer, Ludovic; Senk, Petr; Kukučka, Petr; Přibylová, Petra; Durand, Amandine; Ravier, Sylvain; Alastuey, Andres; Bohlin-Nizzetto, Pernilla; Ceburnis, Darius; Conil, Sébastien; Degorska, Anna; Eleftheriadis, Konstantinos; Forster, Grant; Freier, Korbinian; Gheusi, Francois; Smejkalova, Adeala Holubova; Horrak, Urmas; Hueglin, Christoph; Junninen, Heikki; Kristensson, Adam; Lien, Olav; Lyngra, Reidar; Makkonen, Ulla; Mihalopoulos, Nikos; Mináriková, Veronika; Moche, Wolfgang; Petäjä, Tuukka; Pont, Veronique; Poulain, Laurent; Quivet, Etienne; Reimann, Stefan; Simmons, Ivan; Spoor, Ronald; Tørseth, Kjetil; Wortham, Henri; Yela, Margarita; Zellweger, Claudia; Laj, Paolo; Klánová, Jana; Lammel, Gerhard; Degrendele, Celine

2022

Atmospheric composition in the European Arctic and 30 years of the Zeppelin Observatory, Ny-Ålesund

Platt, Stephen Matthew; Hov, Øystein; Berg, Torunn; Breivik, Knut; Eckhardt, Sabine; Eleftheriadis, Konstantinos; Evangeliou, Nikolaos; Fiebig, Markus; Fisher, Rebecca; Hansen, Georg Heinrich; Hansson, Hans-Christen; Heintzenberg, Jost; Hermansen, Ove; Heslin-Rees, Dominic; Holmén, Kim; Hudson, Stephen; Kallenborn, Roland; Krejci, Radovan; Krognes, Terje; Larssen, Steinar; Lowry, David; Myhre, Cathrine Lund; Lunder, Chris Rene; Nisbet, Euan; Bohlin-Nizzetto, Pernilla; Park, Ki-Tae; Pedersen, Christina Alsvik; Pfaffhuber, Katrine Aspmo; Röckmann, Thomas; Schmidbauer, Norbert; Solberg, Sverre; Stohl, Andreas; Ström, Johan; Svendby, Tove Marit; Tunved, Peter; Tørnkvist, Kjersti Karlsen; van der Veen, Carina; Vratolis, Stergios; Jun Yoon, Young; Yttri, Karl Espen; Zieger, Paul; Aas, Wenche; Tørseth, Kjetil

2022

Mercury observations in EMEP

Tørseth, Kjetil; Pfaffhuber, Katrine Aspmo; Aas, Wenche; Rud, Richard Olav

2021

EMEP-CCC status presentation

Tørseth, Kjetil

2021

EBAS Data Licence

Tørseth, Kjetil; Fiebig, Markus; Myhre, Cathrine Lund

2021

Transboundary particulate matter, photo-oxidants, acidifying and eutrophying components

Fagerli, Hilde; Tsyro, Svetlana; Simpson, David; Nyiri, Agnes; Wind, Peter; Gauss, Michael; Benedictow, Anna Maria Katarina; Klein, Heiko; Valdebenito Bustamante, Alvaro Moises; Mu, Qing; Wærsted, Eivind Grøtting; Gliss, Jonas; Brenna, Hans; Mortier, Augustin; Griesfeller, Jan; Aas, Wenche; Hjellbrekke, Anne-Gunn; Solberg, Sverre; Tørseth, Kjetil; Yttri, Karl Espen; Mareckova, Katarina; Matthews, Bradley; Schindlbacher, Sabine; Ullrich, Bernhard; Wankmüller, Robert; Scheuschner, Thomas; Kuenen, Jeroen J.P.

2021

Trends, composition, and sources of carbonaceous aerosol at the Birkenes Observatory, northern Europe, 2001–2018

Yttri, Karl Espen; Canonaco, Francesco; Eckhardt, Sabine; Evangeliou, Nikolaos; Fiebig, Markus; Gundersen, Hans; Hjellbrekke, Anne-Gunn; Myhre, Cathrine Lund; Platt, Stephen Matthew; Prévôt, André S. H.; Simpson, David; Solberg, Sverre; Surratt, Jason D.; Tørseth, Kjetil; Uggerud, Hilde Thelle; Vadset, Marit; Wan, Xin; Aas, Wenche

2021

Transboundary particulate matter, photo-oxidants, acidifying and eutrophying components

Fagerli, Hilde; Tsyro, Svetlana; Jonson, Jan Eiof; Nyiri, Agnes; Simpson, David; Wind, Peter; Benedictow, Anna Maria Katarina; Klein, Heiko; Mu, Qing; Denby, Bruce; Wærsted, Eivind Grøtting; Aas, Wenche; Eckhardt, Sabine; Hjellbrekke, Anne-Gunn; Solberg, Sverre; Platt, Stephen Matthew; Yttri, Karl Espen; Tørseth, Kjetil; Mareckova, Katarina; Matthews, Bradley; Schindlbacher, Sabine; Ullrich, Bernhard; Wankmüller, Robert; Scheuschner, Thomas; Bergström, Robert; van der Gon, Hugo A.C. Denier; Kuenen, Jeroen J.P.; Visschedijk, Antoon J.H.; Reimann, Stefan; Hill, Matthias; Claude, Anja

2020

Review of Observation Capacities and Data Availability for Black Carbon in the Arctic Region

Tørseth, Kjetil; Andrews, Elisabeth; Asmi, Eija; Eleftheriadis, Kostas; Fiebig, Markus; Gilardoni, Stefania; Herber, Andreas; Huang, Lin; Kylling, Arve; Lupi, Angelo; Massling, Andreas; Mazzola, Mauro; Nøjgaard, Jacob Klenø; Popovicheva, Olga; Schichtel, Bret; Schmale, Julia; Sharma, Sangeeta; Skov, Henrik; Stebel, Kerstin; Vasel, Brian; Vitale, Vito; Whaley, Cynthia; Yttri, Karl Espen; Zanatta, Marco

2020

View from Europe (EMEP)

Aas, Wenche; Tørseth, Kjetil

2020

Potential mechanisms for New Particle Formation and growth from aerosol mixing state and volatility observations

Eleftheriadis, Konstantinos; Gini, Maria; Mendes, Luis; Ondráček, Jakub; Krejci, Radovan; Tørseth, Kjetil

2020

Levels of mercury in air

Pirrone, Nicola; Angot, Hélène; Bencardino, Mariantonia; Cinnirella, Sergio; Cole, Amanda; Dommergue, Aurélien; Dvonch, Jospeh Timothy; Ebinghaus, Ralf; Feng, Xinbin; Fino, Alessandra; Fu, Xuewu; Gårdfeldt, Katarina; Gay, David; Horvat, Milena; Jaffe, Dan; Kotnik, Joze; Macagnano, Antonella; Schmeltz, David; Skov, Henrik; Sprovieri, Francesca; Steffen, Alexandra; Sunderland, Elsie; Tørseth, Kjetil; Wilson, Simon

2019

Review of Observation Capacities and Data Availability for Black Carbon in the Arctic Region: EU Action on Black Carbon in the Arctic – Technical Report 1

Tørseth, Kjetil; Andrews, Elisabeth; Asmi, Eija; Eleftheriadis, Kostas; Fiebig, Markus; Herber, Andreas; Huang, Lin; Kylling, Arve; Lupi, Angelo; Massling, Andreas; Mazzola, Mauro; Nøjgaard, Jacob Klenø; Popovicheva, Olga; Schichtel, Bret; Schmale, Julia; Sharma, Sangeeta; Skov, Henrik; Stebel, Kerstin; Vasel, Brian; Vitale, Vito; Whaley, Cynthia; Yttri, Karl Espen; Zanatta, Marco

2019

EMEP-CCC Status report

Tørseth, Kjetil; Aas, Wenche

2019

NILU EU Strategy

Tørseth, Kjetil

2019

Arctic Air pollution

Tørseth, Kjetil

2019

PM10 levels at urban, suburban, and background locations in the eastern Mediterranean: local versus regional sources with emphasis on African dust

Chatoutsidou, Sofia Eirini; Kopanakis, Ilias; Lagouvardos, Konstantinos; Mihalopoulos, Nikolaos; Tørseth, Kjetil; Lazaridis, Mihalis

2019

Nitrogen: den ukjente klimatrusselen

Tørseth, Kjetil; Austnes, Kari (interview subjects); Høseggen, Simen (journalist)

2019

I denne norske byen er mobiltelefoner forbudt

Hermansen, Ove; Tørseth, Kjetil (interview subjects); Andreassen, Rune N. (journalist)

2019

EMEP Monitoring Strategy

Tørseth, Kjetil

2019

Transboundary particulate matter, photo-oxidants, acidifying and eutrophying components

Fagerli, Hilde; Tsyro, Svetlana; Jonson, Jan Eiof; Nyiri, Agnes; Gauss, Michael; Simpson, David; Wind, Peter; Benedictow, Anna Maria Katarina; Klein, Heiko; Mortier, Augustin; Aas, Wenche; Hjellbrekke, Anne-Gunn; Solberg, Sverre; Platt, Stephen Matthew; Yttri, Karl Espen; Tørseth, Kjetil; Gaisbauer, Silke; Mareckova, Katarina; Matthews, Bradley; Schindlbacher, Sabine; Sosa, Carlos; Tista, Melanie; Ullrich, Bernhard; Wankmüller, Robert; Scheuschner, Thomas; Bergström, Robert; Johanson, Lasse; Jalkanen, Jukka-Pekka; Metzger, Swen; van der Gon, Hugo A.C. Denier; Kuenen, Jeroen J.P.; Visschedijk, Antoon J.H.; Barregård, Lars; Molnar, Peter; Stockfelt, Leo

2019

Recent developments in screening and monitoring of airborne contaminants of emerging concern

Schlabach, Martin; Aas, Wenche; Bohlin-Nizzetto, Pernilla; Tørseth, Kjetil

2019

2019

Vi må forvente flere skogbranner

Evangeliou, Nikolaos; Tørseth, Kjetil; Solbakken, Christine Forsetlund

2019

Zeppelinobservatoriet på Svalbard

Tørseth, Kjetil (interview subject); Andreassen, Rune Nordgård (journalist)

2019

Abating N in Nordic agriculture – Policy, measures and way forward

Hellsten, Sofie; Dalgaard, Tommy; Rankinen, Katri; Tørseth, Kjetil; Bakken, Lars; Bechmann, Marianne; Kulmala, Airi; Moldan, Filip; Olofsson, Stina; Piil, Kristoffer; Pira, Kajsa; Turtola, Eila

2019

Transboundary particulate matter, photo-oxidants, acidifying and eutrophying components

Fagerli, Hilde; Tsyro, Svetlana; Jonson, Jan Eiof; Nyiri, Agnes; Gauss, Michael; Simpson, David; Wind, Peter; Benedictow, Anna Maria Katarina; Valdebenito Bustamante, Alvaro Moises; Klein, Heiko; Schulz, Michael; Mortier, Augustin; Aas, Wenche; Hjellbrekke, Anne-Gunn; Solberg, Sverre; Platt, Stephen Matthew; Yttri, Karl Espen; Rud, Richard Olav; Tørseth, Kjetil; Mareckova, Katarina; Matthews, Bradley; Tista, Melanie; Wankmüller, Robert; Posch, Maximilian; Bergström, Robert; Lazzeri, Paolo; Pandolfi, Marco; Luoma, Krista; Aurela, Minna; Lenartz, Fabian; Bergmans, Benjamin; Pittavino, Sara; Tombolato, Ivan

2018

World Data Centre for Aerosol: Status & News 2018

Fiebig, Markus; Fjæraa, Ann Mari; Tørseth, Kjetil; Aas, Wenche

2018

The operational system for forecasting of volcanic ash in Norwegian air space

Fagerli, Hilde; Klein, Heiko; Nyiri, Agnes; Steensen, Birthe Marie Rødssæteren; Schulz, Michael; Mortier, Augustin; Borg, Anette Lauen; Valdebenito Bustamante, Alvaro Moises; Kristiansen, Nina Iren; Kylling, Arve; Sollum, Espen; Eckhardt, Sabine; Stohl, Andreas; Tørseth, Kjetil

2018

The Importance of Nitrogen Oxides for the Exceedance of Critical Thresholds in the Nordic Countries.

Johansson, M.; Suutari, R.; Bak, J.; Lövblad, G.; Posch, M.; Simpson, D.; Tuovinen, J. P.; Tørseth, K.

2001

Decrease in Acid Deposition – Recovery in Norwegian Waters.

Skjelkvåle, B.L.; Tørseth, K.; Aas, W.; Andersen, T.

2001