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America's 25 Most Ozone-Polluted
Metropolitan Areas, 2007
Ozone acts as a powerful respiratory irritant at
the levels frequently found in most of the nation's urban areas during
summer months. Symptoms include shortness of breath, chest pain when
inhaling deeply, wheezing, and coughing. A study of a sample of longtime
residents of Los Angeles, which has the highest and most frequent ozone
problem in the nation, found that the group had a higher-than-expected
loss of lung function over time.
Rank |
City |
1. |
Los Angeles-Long Beach-Riverside,
Calif. |
2. |
Bakersfield, Calif. |
3. |
Visalia-Porterville, Calif. |
4. |
Fresno-Madera, Calif. |
5. |
Houston-Baytown-Huntsville, Tex. |
6. |
Merced, Calif. |
7. |
Dallas-Fort Worth, Tex. |
8. |
Sacramento--Arden-Arcade--Truckee,
Calif.-Nev. |
9. |
Baton Rouge-Pierre Part, La. |
10. |
New York-Newark-Bridgeport, N.Y-
N.J.-Conn.-Pa. |
11. |
Washington-Baltimore-Northern
Virginia, DC-Md.-Va.-W.Va. |
12. |
Philadelphia-Camden-Vineland,
Pa.-N.J.-Del.-Md. |
13. |
Hanford-Corcoran, Calif. |
13. |
Modesto, Calif. |
15. |
Phoenix-Mesa-Scottsdale, Ariz. |
16. |
Charlotte-Gastonia-Salisbury,
N.C.-S.C. |
17. |
Las Vegas-Paradise-Pahrump, Nev. |
17. |
Milwaukee-Racine-Waukesha, Wis. |
19. |
St. Louis-St. Charles-Farmington,
Mo.-Ill. |
20. |
El Centro, Calif. |
20. |
Kansas City-Overland Park-Kansas City,
Mo.-Kans. |
20. |
Beaumont-Port Arthur, Tex. |
20. |
Chicago-Naperville-Michigan City,
Ill.-Ind.-Wis. |
24. |
Grand Rapids-Muskegon-Holland,
Mich. |
25. |
Atlanta-Sandy Springs-Gainesville,
GA-Ala. |
25. |
Cleveland-Akron-Elyria, Ohio |
Source: State of the Air: 2007,
American Lung Association.
Information Please® Database, © 2007 Pearson
Education, Inc. All rights reserved.
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