Four air quality course projects were completed by San Diego State University (SDSU) graduate students in collaboration with National City and the Sage Project in winter 2015. The intent of this partnership was to achieve the city’s goal to quantify fine particulate matter air pollution concentrations in residential, commercial, and industrial areas near roadways/freeways in National City. Professor Zohir Chowdhury was the instructor for Public Health 632, Air Quality, and designed studies relev...