California Breathing makes asthma data available for each county in California. This site also includes a toolkit for schools, a childcare video, and free online publications related to asthma in California. In addition, the report “The Burden of Asthma in California: A Surveillance Report” (June 2007) details asthma data for California, including prevalence, school-based surveillance, work-related rates, emergency department visits, hospitalization, and mortality, among other information. Access this resource from our Statistical/Data Resources web page.