GO AQS (Global Open Air Quality Standards) and Sotirios Papathanasiou, are set to contribute their expertise at the upcoming 4t Qualitat de l’Aire (4th Air Quality Congress) 2025. The highly anticipated event will take place on October 16-17, 2025, at Fira Sabadell (Barcelona), Spain. Sotirios Papathanasiou, a vocal advocate for universal and open air quality…