EUROCHAMP-2020 is organised into 11 work packages (WP): six Networking Activities (WPs 1-6), two Trans-National Access Activities including hands-on access to simulation chamber facilities (WP7) and physical/remote access to calibration facilities (WP8), one Virtual Access activity (WP9) and two Joint Research Activities (WP10 and WP11).
| WP number | Activity type | WP title | Leading institution |
| 1 | NA1 | Management | CNRS |
| 2 | NA2 | Atmospheric simulation chamber characterization and interoperability | CEAM |
| 3 | NA3 | Standard Protocols, Instrumentation, Quality Assurance and Data Provision | FZJ |
| 4 | NA4 | Innovation Platform | UCC |
| 5 | NA5 | Long-term sustainability and integration of EUROCHAMP in the European environmental research infrastructure and ESFRI landscape | UHEL |
| 6 | NA6 | Outreach, Communication and Education | CNRS |
| 7 | TNA1 | Physical access to the chambers | BUW |
| 8 | TNA2 | Transnational access to calibration facilities | KIT |
| 9 | VA | EUROCHAMP Data Centre | CNRS |
| 10 | JRA1 | Evolution of atmospheric simulation chamber infrastructure to address broader scientific and societal needs | PSI |
| 11 | JRA2 | Model development and evaluation to enhance and optimally exploit the chamber infrastructure | NCAS-UMAN |
