Aerosol particle formation in the upper residual layer: dataset

This dataset contains the following data: -Doppler lidar measurements from Hyytiälä, Finland (May 1-2, 2017) -Ion spectrometer data from Hyytiälä, Finland (May 2, 2017) -Airborne measurement data from southern Finland using an instrumented Cessna 172 (several campaigns between 2011-2018) -New particle formation event classifications from Hyytiälä, Finland