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Data Explorer

The Data Explorer displays data on health outcomes and environmental exposures in California. You can search for a topic and interact with the data through visualizations like maps, charts, time trends and tables.

User Guide

learn more about how to navigate the data explorer

Topics

learn more about the health and environmental topics

Topics and data available on the data explorer

Topics Measures Geographies Categories Years Source
Air Quality Concentrations and regulatory exceedances of ozone and particulate matter (PM2.5) County Annual average concentration, exceedance days 2010-2022 U.S. Environmental Protection Agency
Asthma Emergency department visits and hospitalizations, prevalence, deaths, and insurers County, Zip Code Age, Race/Ethnicity, Sex 2000-2022 California Department of Health Care Access and Information
Birth Defects Number of cases County Age, Race/Ethnicity, Sex 2000-2018 California Department of Public Health's Genetic Screening Program
Cancer Number of Cases County Age, Sex 1999-2018 California Cancer Registry
Carbon Monoxide (CO) Poisoning Emergency department visits and hospitalizations County Age, Race/Ethnicity, Sex 2000-2020 California Department of Health Care Access and Information
Childhood Lead Poisoning Number of children with elevated blood lead levels County Age 2007-2021 California Department of Public Health Childhood Lead Poisoning Prevention Branch
Chronic Obstructive Pulmonary Disease (COPD) Emergency Department visits and hospitalizations County Age, Race/Ethnicity, Sex 2000-2022 California Department of Health Care Access and Information
Heat-Related Illnesses and Deaths Emergency department visits and hospitalizations County Age, Race/Ethnicity, Sex 2000-2022 California Department of Health Care Access and Information
Heart Attacks Emergency department visits and hospitalizations County Age, Race/Ethnicity, Sex 2000-2022 California Department of Health Care Access and Information
Maternal and Infant Health Number of cases of preterm birth, low birth weight, and other maternal and infant health outcomes County, Census Tracts Race/Ethnicity 1997-2018 Birth Statistical Mater Files and Birth Cohort Files from the State of California, Department of Public Health, Office of Vital Statistics