ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre. ACTRIS serves a vast community working on models and forecast systems by offering high quality data for atmospheric gases, clouds, and trace gases.


ACTRIS on ESFRI roadmap

ACTRIS-2 IA in H2020 (2015-2019)

ACTRIS I3 in FP7 (2011-2015)


AERONET Europe newsletter
17 June 2016

The first AERONET newsletter has been released! Click here to read it


ACTRIS-2 and EUFAR are now collaborating!
14 June 2016
EUFAR is an EU FP7-Integrating Activity (2014-2018) with the aim to provide researchers with easy and open access to the airborne research facilities that are most suited to their needs. Read more... 

ESFRI Roadmap 2016 published!
16 March 2016
ACTRIS is identified on the ESFRI Roadmap 2016 document presented during the launch event on March 10, 2016 in Amsterdam. Read more... 

Specific 2016 calls for access to Lidar Calibration
01 March 2016
3 Calls for access to LiCal are now open! Submission deadline: March 31, 2016 Read more... 

1st ENVRIplus call for access to RI!
18 January 2016
Submit your proposal for multi-disciplinary access to Environmental Research Infrastructures. read more ...

ACTRIS has been selected for the new ESFRI 2016 roadmap!
08 December 2015
ACTRIS has taken an important step towards a long-term research infrastructure. On December 8, 2015, the EFSRI forum selected ACTRIS as one of the new infrastructures on the 2016 roadmap.  read more ...

Data center website: new version
23 October 2015
The ACTRIS data center just released a new version of its website. read more ...

Associated Partnership open to SMEs
15 October 2015
SMEs can now apply for ACTRIS-2 associated partnership. read more ...

ENVRIplus has a new website
18 September 2015

ENVRIplus brings together Environmental and Earth System Research Infrastructures to create a more coherent cluster of Environmental Research Infrastructures across Europe. 


12th Summer School on Atmospheric Aerosol Physics, Measurement, and Sampling
Mai 20-27, 2016 | Hyytiälä, Finland

Air Pollution 2016
June 20-22, 2016 | Crete, Greece

10th Anniversary Yoram Kaufman Memorial Symposium
June 28-30, 2016 | Greenbelt, USA

Summer school on observations and modeling of clouds
July 13-22, 2016 | Hyytiälä, Finland

9th Workshop on Lidar measurements in Latin America

July 17-22, 2016 | Santos, Brazil

Workshop on the development of the ACTRIS Data centre
September 12-13, 2016 | Venue to be confirmed

15th AeroCom and 5th AeroSAT workshops

September 19-23, 2016 | Beijing,  China

SPIE Remote Sensing

September 26-29, 2016 | Edinburgh, UK

2nd ACTRIS-2 WP3 Technical meeting
October 11-13, 2016 | Bologna, Italy

Atmospheric Chemistry and Dynamics Summer School

 October 10-14, 2016 | Julich, Germany

ACTRIS-2 Second Workshop "Profiling of aerosols and clouds" and collocated meetings
November 7-11, 2016 | Barcelona, Spain

3rd ACTRIS-2 General Meeting
January 30th - February 3rd 2017 | Granada, Spain

See all future events