Finnish indoor air quality (IAQ) researchers in collaboration with forerunner companies, municipalities and cities, are launching a groundbreaking new co-innovation project titled GIANT (Global trends in IAQ: Novel technologies, Competence and Business). The project focuses on studying the indoor aerosol phenomena, aligning with the latest WHO global air quality guidelines, and advancing new markets for Finnish high-level technologies. The project is partly funded by Business Finland with an overall budget of 5,7 million euros. The project duration is three years.