Atmospheric Particulate Matter data from the Col Margherita High-Altitude Observatory (2023-2024)

Particulate Matter (PM) observations from the Col Margherita High Altitude Optical Particle Counter (OPC); Level-1 data: 6-minutes frequency raw observations, not validated; variables: PM number/L concentration; PM mass/L concentration; size-fractionated PM mass/L concentration; meteorological data. The dataset includes: - readme file with information on the data structure and contents (2023_MRG_OPC_readme.txt); compressed folder with daily files (2023-24_MRG_OPC.rar)