America: Pollution Index by City 2025

Chart: Pollution Index
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Rank
City
Pollution Index
Exp Pollution Index
Lima, Peru 85.2 152.5
Mexico City, Mexico 80.8 146.0
Sao Paulo, Brazil 78.9 141.3
Santo Domingo, Dominican Republic 77.6 136.9
Caracas, Venezuela 73.6 130.2
Kingston, Jamaica 72.6 127.9
Monterrey, Mexico 71.7 131.8
Guayaquil, Ecuador 71.4 125.2
Santiago, Chile 70.8 135.1
Bogota, Colombia 70.0 129.4
Los Angeles, CA, United States 67.7 118.1
Rio de Janeiro, Brazil 67.5 118.8
Quito, Ecuador 65.1 113.4
Medellin, Colombia 63.0 123.3
Salt Lake City, UT, United States 61.7 119.0
Detroit, MI, United States 61.4 107.3
Panama City, Panama 61.4 108.3
Hamilton, Canada 60.2 107.4
Guadalajara, Mexico 58.3 99.8
New York, NY, United States 58.2 102.0
Phoenix, AZ, United States 57.6 99.5
Puerto Vallarta, Mexico 57.4 98.5
Porto Alegre, Brazil 56.9 98.4
Houston, TX, United States 56.8 98.1
Belo Horizonte, Brazil 53.0 91.6
New Orleans, LA, United States 52.0 96.3
Buenos Aires, Argentina 51.9 88.5
Las Vegas, NV, United States 51.8 86.9
Chicago, IL, United States 50.8 86.5
San Jose, Costa Rica 50.1 87.0
San Francisco, CA, United States 50.0 86.5
San Jose, CA, United States 49.1 82.4
Philadelphia, PA, United States 48.2 83.5
Pittsburgh, PA, United States 48.2 83.1
Sacramento, CA, United States 47.1 80.2
Montevideo, Uruguay 47.0 85.2
Cuenca, Ecuador 47.0 87.0
Campinas, Brazil 46.0 78.1
Atlanta, GA, United States 45.0 75.0
Denver, CO, United States 44.2 77.3
San Antonio, TX, United States 43.9 72.4
Austin, TX, United States 43.5 74.0
Indianapolis, IN, United States 43.2 72.7
Washington, DC, United States 42.1 71.5
Dallas, TX, United States 41.3 68.4
Oakland, CA, United States 40.3 68.4
Regina, Canada 40.2 66.9
San Diego, CA, United States 39.3 68.6
Miami, FL, United States 39.1 65.9
Jacksonville, FL, United States 38.7 72.4
Toronto, Canada 37.8 62.6
Nashville, TN, United States 37.4 62.6
Honolulu, HI, United States 37.1 63.3
Quebec City, Canada 37.0 64.7
Brampton, Canada 36.9 60.9
Winnipeg, Canada 35.7 59.4
Merida, Mexico 35.6 62.4
Charlotte, NC, United States 35.3 58.6
Orlando, FL, United States 34.7 58.8
Albuquerque, NM, United States 34.5 59.1
Montreal, Canada 33.6 56.7
Seattle, WA, United States 33.6 58.0
Tampa, FL, United States 32.5 54.5
Kansas City, MO, United States 32.2 53.2
Milwaukee, WI, United States 32.0 54.8
Curitiba, Brazil 31.6 56.8
Portland, OR, United States 31.4 53.5
Richmond, VA, United States 31.3 51.8
Raleigh, NC, United States 30.4 49.6
Boston, MA, United States 30.3 51.2
Brasilia, Brazil 30.0 51.4
Columbus, OH, United States 29.9 48.2
Saskatoon, Canada 29.8 49.5
Reno, NV, United States 29.8 48.7
Minneapolis, MN, United States 29.3 50.0
Edmonton, Canada 28.7 47.5
Madison, WI, United States 28.2 50.1
Tucson, AZ, United States 28.0 48.4
Kelowna, Canada 26.3 42.1
Vancouver, Canada 25.7 43.1
Ottawa, Canada 24.6 41.5
Halifax, Canada 24.1 42.0
Mississauga, Canada 23.5 39.3
Calgary, Canada 23.5 37.6
Victoria, Canada 22.2 38.8