What is ACTRIS?

ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instrument calibration centres, and a data centre. ACTRIS serves a vast community of users working on atmospheric research, climate and Earth system and air quality models, satellite retrievals, weather analysis and forecast systems by offering high quality data and research infrastructure services for atmospheric aerosols, clouds, and trace gases. Read more...


ACTRIS on ESFRI roadmap

ACTRIS-2 IA in H2020 (2015-2019)

ACTRIS I3 in FP7 (2011-2015)

ACTRIS PPP in H2020 (2016-2019)


Aerosol Ice nucleation at PDD Station
12 October 2018
The principal outcome of this campaign is to compare different types of instrumentation developed to characterize aerosol ice crystal interactions under ambient conditions. This intercomparison exercise will be the first deployment of this chamber for comparison with those owned by leaders in the field of aerosol cloud interactions. 

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Final WP2 Technical meeting
November 19-23, 2018 | Hatfield, UK

6th IAC Meeting 2018
December 12-13, 2018 | Brussels, Belgium

ACTRIS DC: ENVRI visit and technical WS 
January 09-11, 2019 | Olso, Norway

ACTRIS-2 Final Event
April 01-05, 2019 | Darmstadt, Germany

See all future events