Most Polluted Cities According to the American Lung Association

Top 75 Most Polluted Cities
Top 75 Most Polluted Cities According to the American Lung Association
See also Disaster Relief Maps for air pollution and fire maps. 

 "State of the Air" ranks the most polluted cities in the United States based on various air quality measures. Here are some examples of cities that have historically been cited as having poor air quality in the ALA's reports:

Los Angeles-Long Beach, CA: Los Angeles and its surrounding areas have consistently ranked among the most polluted cities in the United States due to factors such as high population density, vehicular emissions, industrial activities, and geographical features that trap pollutants.

Bakersfield, CA: Located in California's San Joaquin Valley, Bakersfield often experiences poor air quality due to factors like agricultural activities, oil and gas production, and geographical conditions that contribute to the trapping of pollutants.

Fresno-Madera-Hanford, CA: This region in California's Central Valley has been identified as having significant air pollution issues, primarily due to agricultural operations, vehicle emissions, and geographical factors.

Visalia-Porterville-Hanford, CA: Also located in California's Central Valley, this region has high levels of particulate matter and ozone pollution, primarily associated with agricultural activities, vehicle emissions, and weather patterns.

Phoenix-Mesa-Scottsdale, AZ: Phoenix and its metropolitan area have experienced air pollution problems, particularly with high levels of particulate matter and ozone pollution. Factors include vehicle emissions, dust storms, and geographical conditions that contribute to the trapping of pollutants.
  1. Bakersfield, California
  2. Fresno-Madera-Hanford, California
  3. Visalia, California
  4. Los Angeles-Long Beach, California
  5. San Jose-San Francisco-Oakland, California
  6. Salt Lake City, Utah
  7. Phoenix-Mesa-Scottsdale, Arizona
  8. Las Vegas-Henderson, Nevada
  9. Denver-Aurora, Colorado
  10. Sacramento-Roseville, California
  11. Seattle-Tacoma, Washington
  12. Fairbanks, Alaska
  13. San Diego-Chula Vista-Carlsbad, California
  14. Houston-The Woodlands, Texas
  15. Portland-Vancouver-Hillsboro, Oregon-Washington
  16. El Centro, California
  17. Cincinnati, Ohio-Kentucky-Indiana
  18. Cleveland-Akron-Canton, Ohio
  19. Pittsburgh, Pennsylvania
  20. Detroit-Warren-Ann Arbor, Michigan
  21. Indianapolis-Carmel-Muncie, Indiana
  22. Philadelphia-Reading-Camden, Pennsylvania-New Jersey-Delaware-Maryland
  23. New York-Newark, New York-New Jersey-Pennsylvania
  24. Chicago-Naperville, Illinois-Indiana-Wisconsin
  25. Washington-Baltimore-Arlington, DC-Maryland-Virginia-West Virginia-Pennsylvania
  26. Boston-Worcester-Providence, Massachusetts-Rhode Island-New Hampshire-Maine
  27. Atlanta-Athens-Clarke County-Sandy Springs, Georgia
  28. Chattanooga-Cleveland-Dalton, Tennessee-Georgia
  29. Dallas-Fort Worth, Texas
  30. Austin-Round Rock, Texas
  31. San Antonio-New Braunfels, Texas
  32. McAllen-Edinburg, Texas
  33. Charlotte-Concord, North Carolina-South Carolina
  34. Charleston-Huntington-Ashland, West Virginia-Kentucky-Ohio
  35. St. Louis-St. Charles-Farmington, Missouri-Illinois
  36. Milwaukee-Racine-Waukesha, Wisconsin
  37. Las Cruces, New Mexico
  38. Albuquerque, New Mexico
  39. Toledo, Ohio-Michigan
  40. Fort Wayne-Huntington-Auburn, Indiana
  41. Memphis, Tennessee-Mississippi-Arkansas
  42. Louisville-Jefferson County-Elizabethtown-Madison, Kentucky-Indiana
  43. Nashville-Davidson-Murfreesboro, Tennessee
  44. Birmingham-Hoover-Talladega, Alabama
  45. Huntsville, Alabama
  46. Mobile-Daphne-Fairhope, Alabama
  47. Boise City-Mountain Home-Ontario, Idaho-Oregon
  48. Oklahoma City-Shawnee, Oklahoma
  49. Tulsa-Muskogee-Bartlesville, Oklahoma
  50. Kansas City-Overland Park-Kansas City, Missouri-Kansas
  51. Sacramento-Roseville, California
  52. Eugene-Springfield, Oregon
  53. Spokane-Spokane Valley-Coeur d'Alene, Washington-Idaho
  54. Albuquerque, New Mexico
  55. Reno-Carson City-Fernley, Nevada
  56. Yuma, Arizona
  57. Denver-Aurora, Colorado
  58. Santa Fe-Espanola, New Mexico
  59. Colorado Springs, Colorado
  60. Eugene-Springfield, Oregon
  61. Yakima, Washington
  62. Medford-Grants Pass, Oregon
  63. Kennewick-Richland-Walla Walla, Washington-Oregon
  64. Redding-Red Bluff, California
  65. Anchorage, Alaska
  66. Billings, Montana
  67. Great Falls, Montana
  68. Missoula, Montana
  69. Helena, Montana
  70. Idaho Falls-Rexburg-Blackfoot, Idaho
  71. Logan, Utah-Idaho
  72. Flagstaff, Arizona
  73. Prescott, Arizona
  74. Lake Havasu City-Kingman-Bullhead City, Arizona-Nevada
  75. Farmington, New Mexico