California (CA)
Environmental Risk Profile
Environmental Overview
California faces diverse environmental challenges including wildfire smoke, vehicle emissions, and drought. The Central Valley has some of the worst air quality in the nation, while coastal areas generally fare better.
Cities in California
Los Angeles, CA 90001
Population: 3,979,576
San Diego, CA 92101
Population: 1,423,851
San Jose, CA 95101
Population: 1,021,795
San Francisco, CA 94102
Population: 873,965
Fresno, CA 93650
Population: 542,107
Sacramento, CA 95814
Population: 524,943
Long Beach, CA 90801
Population: 466,742
Oakland, CA 94601
Population: 433,031
Bakersfield, CA 93301
Population: 403,455
Anaheim, CA 92801
Population: 350,365
Stockton, CA 95201
Population: 320,804
Riverside, CA 92501
Population: 314,998
Santa Ana, CA 92701
Population: 309,441
Disclaimer: Environmental risk data is compiled from public U.S. government sources (EPA, FEMA) for informational purposes only. Risk scores are estimates and should not replace professional environmental assessments, real estate evaluations, or health consultations. Always consult local authorities and certified professionals for site-specific evaluations. For environmental emergencies, call 911 or the EPA National Response Center at 1-800-424-8802. See our Terms of Service for more details.