Information technology is considered one of the ways to solve social problems. So, my research team would like to focus on information visualization to deal with environmental problems, one of the most important themes for us in the 21st century. The purpose of this research is to visualize environmental information, using sensors and location information from Global Positioning Sistem. By using temperature and humidity data etc, which are included in environmental information, we have conducted mapping for environmental and location information, using Google Maps API. Specifically, it becomes possible to show end -users detailed environmental information on Google Maps by usine the data we have gathered. From now on, if we install various sensors into electronic devices that many people use, our system will be able to develop an unprecedentedly vast environmental information network, so that we can consider the possibility of building this system.