This report details a collaboration between the San Diego State University Graduate School of Public Health’s Spring 2017 PH 632 Air Quality course, the Sage Project, and the City of Lemon Grove. The studies contained in this report were designed to provide the City of Lemon Grove with data regarding humidity, noise levels, and ambient air quality and to assess the usability of certain areas of the city. This report covers four ambient air and noise sampling studies in Lemon Grove performed by f...