City of Detroit District Cards Click on a Detroit District Card to read in full-size and learn more about how to improve air quality in each district. District 1 District 2 District 3 District 4 District 5 District 6 District 7 Search for: Contact CAPHE Alison Walding Project Manager Community Action to Promote Healthy Environments University of Michigan School of Public Health 1415 Washington Heights Ann Arbor, MI 48109-2029 [email protected]