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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 1 January 2000, is a laboratory of the Energy and Environment Research Division (ENE) at the Paul Scherrer Institute (PSI).

Mission

Understanding the processes determining the gas and aerosol chemistry and aerosol physics in the atmosphere in order to determine (1) the impact of energy use on the atmosphere and (2) the impact of pollution on air quality, human health, local weather and climate change.

LAC Mission
LAC's mission

Our laboratory consists of four interacting groups that operates cutting-edge facilities and instrumentations in the lab and in the field. We run three National facilities, two ambient observatories and an atmospheric chamber facility, that are foreseen to be included in the ACTRIS European research infrastructure. We study the impact of anthropogenic air pollution across environments ranging from cities in Europe and developing countries (e.g. India and China) to pristine areas (e.g. in polar regions and in the free troposphere). We are continuously measuring key climate variables relevant for aerosol properties at the landmark high-alpine Jungfraujoch research site in Switzerland. We simulate the processes occurring in the atmosphere in our smog chamber facility and during experiments at the CLOUD chamber at CERN. Field and laboratory data are interpreted and air pollution sources are quantified with numerical and statistical models. We collaborate with toxicologists, epidemiologists and medical doctors to understand the impact of air pollution on health.

News & Highlights

15 September 2022
Während der MOSAiC-Expedition liess sich das Forschungsschiff Polarstern im arktischen Winter einfrieren und mit der Eisdrift bis zum Frühjahr entlang der rot weingezeichneten Route mitführen.

A warm intrusion in the Arctic causes extreme pollution levels

Energy and Climate

Surprising data about pollutants in the Northern Hemisphere

Read more
20 June 2022
Europa Messorte

European map of aerosol pollution can help improve human health

Media Releases Energy and Climate Health Innovation Environment

Researchers have measured and determined the sources of aerosol pollution at 22 locations in Europe.

Read more
24 May 2022
Horizon 1

Analytical chemistry community gateway - submit your research now!

Launch of the analytical chemistry community gateway.

Find criteria and more information below or on: https://open-research-europe.ec.europa.eu/gateways/analytical-chemistry/about

 

Read more
23 May 2022
Photograph: Shutterstock

Atmospheric globe-trotters

The CLOUD experiment reveals a new mechanism by which atmospheric particles form. The particles rapidly travel the world, globally impacting cloud formation and climate.

Read more
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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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Forschungsstrasse 111
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Switzerland

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