How can satellite observations 🛰️ help us better understand cloud ☁️ formation? That's what Ulla Wandinger -from @tropos-de.bsky.social-discussed in her talk "From EarthCARE Aerosol Classification to Global CCN and INP Concentrations" today at the ILRC32. Let's keep up the good work! 🌟 @esa.int

📍 ACTRIS attends the 32nd International Laser Radar Conference (ILRC32), contributing both to the scientific programme and the exhibition. Come to say hello at the exhibition! See you at ILRC32!

We are pleased to announce that Greece has officially joined ACTRIS ERIC! Greece strengthens ACTRIS in the Eastern Mediterranean with new aerosol in‑situ and remote‑sensing capacities, an atmospheric simulation chamber in Patras, and a mobile cloud‑sensing platform. Find more: bit.ly/4vOiztf

Day 3 of the ACTRIS Science Conference 2026 is off to a great start with our second Plenary Session! We hope everyone enjoys an inspiring and engaging day ahead! Find more information about our event here: actris.eu/ASC2026

The first poster session is wrapping up, thank you for the engaging conversations and insightful contributions! Presenting tomorrow? Take a moment to check the information: lnkd.in/diSqBA8x See you soon for more science and insightful discussions!

The Opening Session of the ACTRIS Science Conference 2026 is here! We’re excited to kick off a programme featuring 108 oral presentations across atmospheric science. A fantastic start to what promises to be an inspiring conference!

ACTRIS Science Conference 2026 is officially underway! Grab your badge and merchandising at the registration desk and join us for the ice breaker. Let’s kick off four days of science, networking, and early‑career insights!

Heading to the ACTRIS Conference next week? Wednesday morning: ACTRIS 5 km Run 🏃‍♂️ A great way to start the day with fresh air before the sessions. Looking forward to seeing you there! For more information: www.actris.eu/ASC2026

One week to go! 🎉 The ACTRIS Science Conference 2026 kicks off next week at Scandic Fornebu in Oslo. We’re looking forward to welcoming you for four days of science, collaboration, and community. More information: lnkd.in/d-DiMbjW

The ACTRIS Science conference is just around the corner & the registration is closing this week! Join us - We can’t wait to see you there! 📅 General registration deadline: 3 April 2026 🔗 For more information: www.actris.eu/ASC2026 📝 Register here: app.oxfordabstracts.com/register/eve...

Training opportunity! The AGORA Training School on Atmospheric Characterization Using In-Situ and RS Techniques offers hands-on learning, expert guidance, and access to cutting-edge research in atmospheric observation and analysis. 🔗 Learn more & apply by 28.02: atmosphere.ugr.es/about/presen...

💫Early bird registration is still on ongoing for the ACTRIS Science Conference 2026! Join us in Oslo (April 20–23) to connect with researchers and learn from experts in atmospheric science. 📅 Early bird ends: 17.02.2026 🔗 More info: www.actris.eu/ASC2026 👉 Register here: bit.ly/ASC26EarlyBi...

🔭 New Raymetrics Raman lidar at San Pietro Capofiume 🌫️ The Raymetrics LR221-D300 at the @cnrisac.bsky.social BO Po Valley site now delivers high‑resolution aerosol and cloud profiles, boosting atmospheric monitoring within #ITINERIS and the @actris.bsky.social community 🌍 #ITINERISWP4 #ITINERIS_RI

🚀 ENVRINNOV Training Session! 📅 Session Online | Date: 24.02.2026, 1:30pm – 3:30pm CET Topics: Innovation Management in Research Infrastructures, mapping innovation potential, and key principles of technology transfer. 🔗 Registrations open: framaforms.org/envrinnov-tr... @envri.bsky.social

After receiving a record number of submitted abstracts, we are at Scandic Fornebu getting things ready for the ACTRIS Science Conference 2026. Registration opens next week! Stay tuned: actris.eu/ASC2026

At the 6th General Assembly, hosted by @umweltministerium.de in Bonn, 6 platforms received the ACTRIS National Facility label. This milestone highlights our commitment to high-quality, harmonized atmospheric observations. 👏 Congratulations to all teams involved! 👉 Read More: bit.ly/6th_ACTRIS_GA

⏰ Last call! Tomorrow is the final day to submit your abstract for the ACTRIS Science Conference 2026. Don’t miss your chance to share your work and connect with the ACTRIS community! More info: actris.eu/ASC2026/Abst...

Let's celebrate the 10th anniversary of @icos-ri.eu with some morning jazz! 🎶🎉 A decade of advancing standardised greenhouse gas measurements throughout Europe. Congrats! 🌍✨ #ICOS10 #EU_RIs

⏳Send your abstract by 5 December 2025. 🎓 Student support will be available for some students based on abstract quality. 🔗 More Details: actris.eu/ASC2026/AbstractSubmission Share your latest insight and connect with the atmospheric science community!

We proudly share that #ACTRIS Director General Eija Juurola has been elected Vice-Chair of the @ericforum.bsky.social 🎉 Together with the newly elected Chair, Bonnie Wolff-Boenisch, Director of @cessda.bsky.social, they will strengthen the role of ERICs in the ERA. Congratulations to both! 👏

Planning to join us in Oslo next year? Find out the latest info for participating in the ACTRIS Science Conference 2026 as an attendee, exhibitor or sponsor 👉https://actris.eu/ASC2026

ACTRIS Week 2025 has officially started! 🎉 We’re delighted to have everyone gathered in Évora for an exciting week filled with collaboration, innovation, and a shared passion for atmospheric research. 🌍 #ACTRISWeek #Évora #ACTRISCommunity

🌍 Collaboration drives climate resilience! #ACTRIS joins the @iriscc.bsky.social 2nd open call, offering access to Europe’s top research infrastructures tackling climate risks. 🗓️ Apply by 28 Nov 2025 🔗 bit.ly/IRISCC2ndCal... #ACTRIS #IRISCC #ClimateResearch

Our Director General Eija Juurola joins the panel at #EUROGEO2025, exploring how coordinated in-situ data efforts can boost #innovation and competitiveness in Europe’s #EO landscape. She’ll share insights from the EU Environmental RIs perspective. @envri.bsky.social @ec.europa.eu #OneEuroGEO

Great days at the @iriscc.bsky.social meeting! 💫 ACTRIS contributes by providing access to top-tier atmospheric facilities, data, & expertise to support research on climate risks and resilience. Apply for access opportunities by Nov.28 2025: lnkd.in/d_2QaPFZ #ClimateScience #ResearchInfrastructure

🛰️ At INTERGEO2025, we joined @elter-ri.eu and @icos-ri.eu in the #ENVRINNOV panel on connecting environmental data & geospatial solutions. @envri.bsky.social 🌍 #ACTRIS #ENVRINNOV #INTERGEO2025 #ENVRI #AtmosphericResearch #GeospatialData #ResearchToAction

📢 Abstract submission is now open for the ACTRIS Science Conference 2026 🎓 Student support will be available for some students based on abstract quality. 🔗 More Details: actris.eu/ASC2026/AbstractSubmission Share your latest insight and connect with the atmospheric science community!

Contributing to the RI-URBANS project, we support the development of innovative tools and methodologies for improving #AirQuality and #PublicHealth in #UrbanEnvironments. 🎥 The recent RI-URBANS webinar on #SourceApportionment is now available on the RI-URBANS website: lnkd.in/dH62CBtz

CCRES, the ACTRIS Centre for Cloud Remote Sensing, is continuously enhancing the accuracy of our cloud observations and strengthens our role in advancing #AtmosphericScience. Keep up the good work @gfat.bsky.social! #ACTRISScience #ACTRISCommunity #ACTRISPeople

Find the latest news across environmental Research Infrastructures in the freshly published ENVRI newsletter 👇

#CAIS-ECAC @tropos-de.bsky.social is one of the 6 #ACTRIS Central Facilities, & it is a key hub for ensuring the quality and calibration of aerosol in-situ measurement stations supporting research across #Europe and beyond. Find more about our Central Facilities & their services: bit.ly/ACTRIS-CFs

The Second Call for Access to IRISCC ’s research infrastructures is now open until November 28th! Check out the IRISCC Access Handbook and explore the Catalogue of Services to identify opportunities that match your climate risks research needs. www.iriscc.eu/open-calls/

We have news! 📢 The latest ACTRIS Newsletter is out 👉 bit.ly/ACTRIS-Newsl... Catch up on the latest news, events, and updates from our community! 🌐 If you are not subscribed yet, join the ACTRIS Community: actris.eu/actris-community #ACTRISCommunity #WeAreACTRIS #ACTRISScience

The full program for the International Society for Atmospheric Research using Remotely piloted Aircraft (ISARRA) Conference 2025 is now available! 📅 Save the dates, check out the agenda, and start planning your ISARRA conference! 👉 bit.ly/ISARRA2025 #ISARRA2025 #AtmosphericResearch #UASs

ACTRIS Week 2025 is just around the corner. 👉Register by Friday, September 19th! ACTRIS Week 2025 brings together our community to share the latest updates, challenges, and progress of ACTRIS. 🔗Register here: bit.ly/ACTRISweek25 We are excited to welcome you to Évora!

🆕 New #VolcPlume tutorial! 🌋 Learn to detect & analyze volcanic plumes with expert Marie Boichu (CNRS). Real-case eruption + satellite, #remotesensing & #insitu data! 🎥 Watch: www.atmo-access.eu/volcplume/ #EU_RIs @envri.bsky.social @actris.bsky.social @icos-ri.eu @iagos-ri.bsky.social

Discover the latest updates from the ACTRIS community, including highlights from recent events, projects, scientific activities, and upcoming opportunities. 👉 Read it now: bit.ly/actris-newsl...

🔬 At a recent DG ENV meeting in Brussels, #RI-URBANS presented 16 new tools to tackle urban air pollution. Key step toward implementing the new EU Air Quality Directive with support from #ACTRIS. Bridging science & policy for #CleanerAir! 🌍 Check out the latest video: bit.ly/3GdNriN @ec.europa.eu

Great energy in the ongoing meeting in Oslo between the #ACTRIS Head Office & the Data Centre teams! 🤝 Together, we’re aligning priorities & improving coordination to ensure ACTRIS continues to deliver high-quality data services to the user community. ✨ #EU_RIs #ACTRISScience #ACTRISCommunity

We’re proud to welcome Switzerland as a Member of ACTRIS ERIC! This marks a key milestone for ACTRIS and the Swiss research community, amplifying our shared mission to support atmospheric science. Bienvenue à bord, Switzerland! #AtmosphericScience #EU_RIs #ACTRISC

📅 Today is the deadline to submit your abstract for the online Workshop on Innovation in Atmospheric Measurement Techniques. 🌟 Do not miss out on the opportunity to share your results! Link for submitting your abstract and registering for the event 👉 bit.ly/4kkyKZz

The #GEOGlobalForum2025 just kicked off in Rome!✨ After 20 years, the GEO community is back together in Europe—this time to focus on how EO can help tackle global societal challenges. #EarthIntelligenceForAll  #TheEarthTalks  🛰️🌎🔭 ACTRIS is proud to be part of the Exhibition- Meet us at Booth#19! 👋

🌍 Join us #EGU2025 for sessions on: ☁️ Remote sensing of clouds and aerosols 🌐 Future of atmospheric RIs 🤝 Collaboration across RIs 📊 FAIR data and AI for Earth observation Meet us at the ENVRI booth #64&65! #ENVRICommunity @atmo-access.bsky.social @envri.bsky.social @egu.eu

📢 Access Opportunity 📅 New deadline: April 28, 2025 🤩50+ applications have been received! Don’t miss your chance to apply: itineris.cnr.it/events/itine... #ACTRIS #ITINERIS #AtmosphericResearch #FundingOpportunity #ScientificAccess @itineris-ri.bsky.social @envri.bsky.social

📣Event Announcement!📣 The 2025 NDACC Symposium celebrates 35 years of atmospheric research, offering participants a platform to share achievements and discuss NDACC’s future strategy. 🔭🌎 ☑️Submit your abstract by May 7th! 🔗Find more at: ndacc.cas.hamptonu.edu

Through @atmo-access.bsky.social, we had the amazing opportunity to welcome David De Haan and his students to the #CESAM atmospheric simulation chamber, part of the ACTRIS network, to push forward their research on wildfire smoke @cnrs.fr @upecofficiel.bsky.social

🌍✨ The latest #ACTRIS Newsletter is out! ✨🌍 Stay updated on our latest developments, scientific highlights, upcoming events, and more from the ACTRIS community. 🔗 Read it here: bit.ly/ACTRIS_Newsl... #AtmosphericScience #ResearchInfrastructure #EU_RIs #Newsletter #ACTRISCommunity

🚀 Access #ACTRIS advanced data & instruments with @itineris-ri.bsky.social ! 💼 Access will be provided free of charge and users will receive a GRANT upon completing physical access at the 📅 Apply by March 31, 2025. 🌐 For more details: itineris.cnr.it/itineris-act...

Hello there! We’re excited to be here on #Bluesky and connect with atmospheric scientists, innovators, and environmental professionals worldwide. Let’s explore the atmosphere together! Find more about how to connect with us: bit.ly/ACTRISonBlue... #ACTRIS #WeAreACTRIS #ACTRISCommunity