ACTRIS/EARLINET Level 3 2000-2021 climatological dataset over Kuopio, Finland

This dataset provides climatological aggregation of aerosol remote sensing data over 22 years (2000-2021) in Kuopio, Finland. Level 3 climatological datasets are obtained as aggregated products from the ACTRIS/EARLINET fully quality controlled (QC) aerosol optical products (i.e. Level 2 products). In particular, this release considers only data fully compliant to the ACTRIS/EARLINET QC procedure v4.0 [https://earlinet.eu/wp-content/uploads/2025/03/EARLINET_QC_v4_0_20250225.pdf]. Two types of data are released: profile values and integrated quantities. For each type of data, four different temporal aggregations are provided: seasonal, annual, normal seasonal, normal monthly.