The US Environmental Protection Agency's (EPA's) Website provides many educational resources for K-12 teachers. A new resource from the EPA is the Air Quality Index for Kids. The colorful, extremely basic text defines the Air Quality Index (AQI), discusses what makes air dirty and which people are most at risk for getting sick from air pollution. This site, probably best suited for elementary schoolers, is arranged so that "next" buttons turn the virtual pages, taking young readers through each lesson. The site also furnishes a dictionary, "What can I do?" section and games.