California — Environmental Risk Scores by County

California faces a range of environmental hazards that vary by region. From flood zones and seismic activity to air quality concerns and wildfire danger, understanding local risk levels is critical for residents, homebuyers, and businesses. ProtectMyZip aggregates data from FEMA, USGS, EPA, and the National Weather Service to provide free, comprehensive environmental risk scores for every county and city in California. Explore the data below to make informed decisions about your safety and property.