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Laboratory of Atmospheric Chemistry (LAC)

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LAC - Laboratory of Atmospheric Chemistry

The Laboratory of Atmospheric Chemistry (LAC), established on 1 January 2000, is a laboratory of the Energy and Environment Research Division (ENE) at the Paul Scherrer Institute (PSI).

Mission

The mission of the LAC is to create understanding of the processes determining the chemistry and physics of gases and aerosol particles in the atmosphere in order to determine the impact of the energy system on atmospheric composition and the impact of atmospheric composition on air quality, human health, weather and climate change.

LAC Mission
LAC's mission

The Laboratory of Atmospheric Chemistry (LAC) investigates the impact anthropogenic activities have on fundamental processes in the atmosphere, and with that on air quality, human health, and the climate. A strong focus lies on the links between energy generation and use and its impact on the environment, which have become ever more important since the adaptation of the net-zero strategy in Switzerland. The LAC consists of six interacting groups that operate cutting-edge facilities and instrumentation in the lab and in the field, and run computer models. We are responsible for the long-term observations of atmospheric aerosol at the research station Jungfraujoch and at the Payerne observatory, and run an atmospheric chamber facility at PSI, all embedded in the Aerosol, Clouds and Trace Gases Research Infrastructure (ACTRIS). We are highly collaborative within PSI, nationally, and internationally. 

News & Highlights

13 March 2020
Teaser: Erstmals chemische Reaktionen direkt im Feinstaub nachgewiesen

First-time direct proof of chemical reactions in particulates

Media Releases Environment Energy and Climate

Researchers at the Paul Scherrer Institute PSI have developed a new method to analyse particulate matter more precisely than ever before. With its help, they disproved an established doctrine: that molecules in aerosols undergo no further chemical transformations because they are enclosed in other particulate matter.

Read more
10 December 2019
Ribbon for highly-cited researchers

2019 Highly Cited Researchers

Again in 2019: Three LAC researchers were highly cited.

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12 November 2019
Swiss Aerosol Award 2019 ceremony

Giulia Stefenelli wins Swiss Aerosol Award 2019

Award conferred by SwissLung.org during the award ceremony in Berne, Switzerland

Read more
20 September 2019
Teaser 13 Monate in der Arktis

Thirteen months in the Arctic

Environment Energy and Climate

A PSI research project investigating atmospheric chemistry will be on board the icebreaker Polarstern on 20th September 2019. Researcher Julia Schmale talks about the upcoming expedition and her role in it.

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Contact

Laboratory of Atmospheric Chemistry
Forschungsstrasse 111
5232 Villigen PSI
Switzerland
 


Mohr Claudia


Laboratory Head LAC
Claudia Mohr
Telephone: +41 56 310 54 77
E-mail: claudia.mohr@psi.ch

 


Indlekofer Claudia


Assistant
Claudia Indlekofer
Telephone: +41 56 310 25 22
E-mail: claudia.indlekofer@psi.ch

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