Calima-GLOBE Continuous and coincident photometric observations at Izaña with Cimel and Prede photometers Star photometry with all-sky cameras to retrieve aerosol optical depth and clouds Impact of Spectral Aerosol Radiative Forcing at the Izaña Observatory during the August 2023 Extreme Wildfires COSMO Site and Design Advancement (COSADA) PACE: Plankton, Aerosol, Cloud, and Ocean Ecosystem AOD and water vapour from PANDORA photometer Enhanced characterization of regional transported aerosols using a CIMEL CE376 elastic micro-LiDAR that provides depolarization at 532 and 808 nm Potential use of low-cost hand-held sunphotometers for operational activities (Calitoo) : Tamanrasset Traceability of Aerosol Optical Depth Measurements to the GAW-WMO Reference Scale SYMPHONIA Impact of transported dust on mixed-phase cloud formation at remote mountain sites (MIXDUST) Unravelling Saharan DUST Outflow: Insights into Mineralogy, Size, Shape, Optical Properties And Regional ClimaTe Impact through Novel Observations and Modeling (DUSTIMPACT) Intercomparison of spectrorradiometers and sun photometer for the determination of the aerosol optical depth Study of solar irradiance for the European Solar Telescope ESA Project: LIME-3