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)


TROPOMI validation campaign in CABAUW
08 July 2019

A TROPOMI validation campaign - TROLIX'19- will be held in the Netherlands based at the Cabauw research site starting  in September 2019.

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International Symposium on Digital Earth - ACTRIS Session
September 28-29, 2019 |

ACTRIS In Situ Workshop
October 22-23, 2019 |
Prague, Czech Republic

ACTRIS PPP Final Meeting
November 4-8, 2019 |
Helsinki, Finland