A study by the Spanish National Research Council (CSIC), an agency dependent on the Ministry of Science, Innovation and Universities of Spain, concludes that the most intense Saharan dust events ever recorded in the air quality monitoring networks of Spain and Portugal occurred between 2020 and 2022. A study by the Spanish National Research Council (CSIC), an agency dependent on the Ministry of Science, Innovation and Universities of Spain, concludes that the most intense Saharan dust events ever recorded in the air quality monitoring networks of Spain and Portugal occurred between 2020 and 2022. Earth Sciences Environment Phys.org – latest science and technology news stories