The AirKit toolkit creates a citizen-sensing infrastructure for monitoring air pollution. It consists of a logbook, a second-generation Dustbox, an Airsift platform, and a tool for writing data stories. More information is available at https://citizensense.net/projects/#airkit. Illustration above by Sarah Garcin, illustration below by Andrea Rinaldi; courtesy of Citizen Sense. This toolkit can be found in a more extensive form online at https://manifold.umn.edu/projects/citizens-of-worlds/resource/airkit-logbook.