Database Surface Particulate Matter Network Share SHARE Facebook share Twitter LinkedIn Copy URL Email Download Download https://www.spartan-network.org en Added on: 20 May, 2025 Breadcrumb Home Resource Library Surface Particulate Matter Network To address the current gaps in knowledge of global PM2.5 concentrations, the Surface Particulate Matter Network (SPARTAN) hosted at Washington University in St. Louis, MO, United States is working to measure fine particulate concentrations to evaluate and enhance satellite remote sensing estimates of PM2.5. The network provides publicly available data on PM2.5 mass, chemical composition, and optical characteristics for connection with satellite remote sensing and for air quality management.