The LAC consists of six research groups working closely together in numerous projects.
Area experts
| Sub-group | Scientist | Contact |
| Air quality and online mass spectrometry | Jay Gates Slowik | jay.slowik@psi.ch |
| Aerosol optics | Robin Lewis Modini | robin.modini@psi.ch |
| Atmospheric monitoring - Climate variables | Benjamin Tobias Brem | benjamin.brem@psi.ch |
| Chambers/ molecular reactivity | David Bell | david.bell@psi.ch |