POLLUTION LOCATOR|Smog and Particulates | Rank Counties by Health Risks


Health Risks from Criteria Air Pollutants
Ranked by (select your ranking criteria)

in
    (explain)
Rank County Person-days in
exceedance of NAAQS
1. LOS ANGELES, CA 4,067,060,472
2. SAN BERNARDINO, CA 1,045,139,036
3. HARRIS, TX 884,637,156
4. RIVERSIDE, CA 604,318,350
5. KERN, CA 291,652,583
6. FRESNO, CA 266,151,725
7. MARICOPA, AZ 169,463,000
8. TARRANT, TX 102,903,768
9. SACRAMENTO, CA 101,134,036
10. COOK, IL 90,976,384
11. TULARE, CA 78,939,782
12. DALLAS, TX 59,386,496
13. ORANGE, CA 59,155,320
14. CLARK, NV 58,332,017
15. WAYNE, MI 54,777,006
16. VENTURA, CA 50,632,320
17. EL PASO, TX 42,326,160
18. ALLEGHENY, PA 35,316,484
19. FAIRFIELD, CT 32,369,472
20. SUFFOLK, NY 30,828,777
21. SAN DIEGO, CA 29,308,860
22. ST. LOUIS, MO 25,328,075
23. FRANKLIN, OH 23,956,768
24. FAIRFAX, VA 22,008,910
25. CUYAHOGA, OH 19,094,432