This 8 week Air Quality Class was created for the Cypress Hills Air Quality initiative "CHAQ", with support from the United States Environmental Protection Agency's program "Citizen Science ? Community Involvement Today and in the Future". This project was a collaboration with the Cypress Hills Local Development Corporation. Joe Saavedra and Liz Barry are the Public Laboratory facilitators. Georgia Bullen, Yael, and Jason Lipshin are involved from MIT.