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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

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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Paul Scherrer Institut

Forschungsstrasse 111
5232 Villigen PSI
Switzerland

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