Use our interactive map to see how long people went without essentials after California's historic wildfires in 2017-2019 Where our data comes from

In early 2018, Dr. Irva Hertz-Picciotto and the UC Davis Environmental Health Sciences Center (EHSC) began conducting the California Wildfire and Health Impacts Survey as part of a larger research project, “Wildfires and Health: Assessing the Toll in NOrthWest California” (WHAT NOW California).