Dataset for Measurement report: Ion clusters as indicator for local new particle formation

Data for Measurement report: Ion clusters as indicator for local new particle formation. There are two files, negative_ion_concentrations.csv and positive_ion_concentrations.csv. The former (latter) includes absolute number concentrations for 1.87, 2.16, 2.49, and 2.88 nm negative (positive) ions. The unit for these concentrations is #/cm^-3. Contact Santeri Tuovinen ([email protected]) for more details.