Skip to content
My WebMD Sign In, Sign Up

Asthma Health Center

Font Size

Air Pollution High in California Cities

American Lung Association Finds State Has High Ozone and Particulate Pollution

Ozone: 25 Worst Cities continued...

1.       Los Angeles-Long Beach-Riverside, Calif.

2.       Bakersfield, Calif.

3.       Visalia-Porterville, Calif.

4.       Fresno-Madera, Calif.

5.       Houston-Baytown-Huntsville, Texas

6.       Sacramento-Arden-Arcade-Yuba City, Calif.-Nev.

7.       Dallas-Fort Worth, Texas  

8.       Charlotte-Gastonia-Salisbury, N.C.-S.C.  

9.       Phoenix-Mesa-Scottsdale, Ariz.

10.   El Centro, Calf.

11.   Hanford-Corcoran, Calif.  

12.   Las Vegas-Paradise-Pahrump, Nev.

13.   San Diego-Carlsbad-San Marcos, Calif.

14.   Washington, D.C.-Baltimore-Northern Virginia, Md.-Va.-W.Va.  

15.   Cincinnati-Middletown-Wilmington, Ohio -Ky.- Ind.

16.   Philadelphia-Camden-Vineland, Pa.-N.J.-Del.-Md.  

17.   St.Louis-St.Charles-Farmington, Mo.-Ill.  

18.   New York-Newark-Bridgeport, N.Y.-N.J.-Conn.-Pa.  

19.   Knoxville-Sevierville-La Follette, Tenn.

20.   Birmingham-Hoover-Cullman, Ala.

21.   Baton Rouge-Pierre Part, La.

22.   Kansas City-Overland Park-Kansas City, Mo.-Kan.

23.   Atlanta-Sandy Springs-Gainesville, Ga.-Ala.

24.   Merced, Calif.

25.   Memphis, Tenn.-Miss.-Ark.

Particle Pollution: 25 Worst Cities

Here are the 25 worst metropolitan areas for short-term particle pollution:

1.       Pittsburgh-New Castle, Pa.  

2.       Fresno-Madera, Calif.

3.       Bakersfield, Calif.

4.       Los Angeles-Long Beach-Riverside, Calif.

5.       Birmingham-Hoover-Cullman, Ala.

6.       Salt Lake City-Ogden-Clearfield, Utah

7.       Sacramento-Arden-Arcade-Yuba City, Calif.-Nev.

8.       Logan, Utah-Idaho

9.       Chicago-Naperville-Michigan City, Ill.-Ind.-Wis.  

10.   Detroit-Warren-Flint, Mich.

11.   Indianapolis-Anderson-Columbus, Ind.

12.   Visalia-Porterville, Calif.

13.   Eugene-Springfield, Ore.

14.   Washington, D.C.-Baltimore-Northern Virginia, Md.-Va.-W.Va

15.   Hanford-Corcoran, Calif.

16.   New York-Newark-Bridgeport, N.Y.-N.J.- Conn.- Pa.

17.   Modesto, Calif.

18.   Merced, Calif.

19.   Louisville-Jefferson County-Elizabethtown-Scottsburg, Ky.-Ind.

20.   Philadelphia-Camden-Vineland, Pa.-N.J.-Del-Md.  

21.   San Jose-San Francisco-Oakland, Calif.

22.   Provo-Orem, Utah

23.   San Diego-Carlsbad-San Marcos, Calif.  

24.   Harrisburg-Carlisle-Lebanon, Pa.

25.   St. Louis-St. Charles-Farmington, Mo-Ill.  

Cleanest Cities

Here are the cleanest cities for ozone pollution, in alphabetical order:

  • Billings, Mont.
  • Carson City, Nevada 
  • Coeur d'Alene, Idaho
  • Fargo-Wahpeton, N.D.-Minn. 
  • Honolulu
  • Laredo, Texas
  • Lincoln, Neb.
  • Port St. Lucie-Sebastian-Vero Beach, Fla.
  • Sioux Falls, S.D.

 

1|2

When Is Your Asthma Worse?

When Is Your Asthma Worse?

Take the WebMD Asthma assessment to get Personalized Action Plan

Start Now

Today on WebMD

Distressed woman
Slideshow
Woman holding an asthma inhaler
Article
 
Get Personalized Asthma Advice
Health Check
asthma overview
Slideshow
 
Los Angeles skyline in smog
Slideshow
man in a field with allergies
Slideshow
 
Woman holding inhaler
VIDEO
Slideshow Allergy Myths and Facts
Slideshow
 
Man outdoors coughing
Article
Lung and bronchial tube graphic
Article
 
10 Worst Asthma Cities
Slideshow
runner
Article