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...


Reports available from EARLINET/ACTRIS COVID-19 campaign
27 May 2020

Weekly reports present the results from EARLINET/ACTRIS analysis if aerosol profiles during the COVID-19 lock-downs and relaxation period.

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Aerosol lidar campaign is on-going
12 May 2020
The EARLINET/ACTRIS NRT aerosol lidar measurement campaign is organized as part of the ACTRIS initiative for studying the changes in the atmosphere during the COVID-19 lockdown.


EUROCHAMP simulation chambers in response to COVID-19
16 April 2020

The EUROCHAMP-2020 community has released a statement about the research potential of simulation chambers in the fight against COVID-19.


ACTRIS activities connected to the COVID-19 and lockdown in Europe.
03 April 2020

Find the latest insights on ACTRIS on-going and planned activities.




ACTRIS NOx/VOC QA workshop 2020
May 12-14, 2020
Remote Meeting

11th IAC Meeting
June 3-5, 2020
Remote Meeting

ENVRI-FAIR WP8: Atmospheric Workshop

June 16-17, 2020
Virtual Meeting

ACTRIS data QA & submission workshop
September 14-17, 2020
TROPOS, Leipzig, Germany

12th IAC Meeting
October 7-9, 2020

Athens, Greece

Aeolus Cal/Val & Science Workshop
November 2-6, 2020
Darmstadt, Germany

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