Dataset name: Sub-3nm particle concentrations measured at the SMEAR II station in Hyytiälä, Finland between April 2014 and April 2020

Data file: PSM_201404_202004.dat

File header:

Datetime: Date and time of the middle of 10 minutes intervals in the ISO8601 format YYYY-MM-DDThh:mm:ss [UTC+2].

1.4-2.5 nm: The particle concentration of 1.7-2.5 nm particles measured with the Particle Size Magnifier [particles/cm3] (Total concentration in the size bin) 

1.1-1.4 nm: The particle concentration of 1.1-1.7 nm particles measured with the Particle Size Magnifier [particles/cm3] (Total concentration in the size bin)