Air Quality Model Evaluation International Initiative (AQMEII): Advancing the State of the Science in Regional Photochemical Modeling and Its Applications

aMErICan METEOrOLOGICaL SOCIETy | 23 AffiliAtions: Rao—Atmospheric Modeling and Analysis Division, National Exposure Research Laboratory, U.S. Environmental Protection Agency, Research Triangle Park, North Carolina; GalmaRini—Institute of Environment and Sustainability, European Commission, Joint Research Center, Ispra, Italy; Puckett—Air Quality Research Division, Environment Canada, Toronto, Ontario, Canada Corresponding Author: Dr. S. T. Rao, Atmospheric Modeling and Analysis Division, National Exposure Research Laboratory, U.S. Environmental Protection Agency, Research Triangle Park, NC 27711 E-mail: rao.st@epa.gov