This data set consists of in-situ measurements carried out aboard the Polar 6 research aircraft during HALO-AC3 campaign in March/April 2022. This comprises the aerosol properties of arctic ambient ae
This data set includes aerosol size and chemical composition data obtained using the aircraft aerosol-time-of-flight mass spectrometer (A-ATOFMS) during clear air and counterflow virtual impactor (CVI