Sacramento has been rated the sixth worst metropolitan statistical area for ozone pollution by the American Lung Association, as reported by Forbes.com – and other central valley communities are even worse. Here’s the top 10 (or bottom 10 depending on your perspective): 1. Los Angeles-Long Beach-Riverside, CA 2. Bakersfield, CA 3. Visalia-Porterville, CA 4. Fresno-Madera, CA 5. Houston-Baytown-Huntsville, TX 6. Sacramento-Arden-Arcade-Yuba City, CA 7. Dallas-Fort Worth, TX 8. Charlotte-Gastonia-Salisbury, NC/SC 9. Phoenix-Mesa-Scottsdale, AZ 10. El Centro, CA Sacramento also ranks 7th for short-term particle pollution, but is not listed in the worst 25 areas for year-round particle p