Rank |
City |
Pollution Index |
Exp Pollution Index |
|---|---|---|---|
| Tijuana, Mexico | 95.7 | 179.6 | |
| Lima, Peru | 85.8 | 155.6 | |
| Mexico City, Mexico | 79.9 | 141.5 | |
| Rio de Janeiro, Brazil | 79.3 | 141.2 | |
| Guadalajara, Mexico | 79.1 | 144.1 | |
| Santiago, Chile | 79.1 | 149.4 | |
| Baltimore, MD, United States | 76.2 | 135.9 | |
| Recife, Brazil | 75.2 | 134.6 | |
| Caracas, Venezuela | 74.6 | 132.5 | |
| Sao Paulo, Brazil | 73.6 | 132.5 | |
| Puerto Vallarta, Mexico | 73.3 | 129.5 | |
| Phoenix, AZ, United States | 72.5 | 131.9 | |
| Guatemala City, Guatemala | 68.1 | 118.0 | |
| Quito, Ecuador | 68.1 | 119.5 | |
| Windsor, Canada | 65.4 | 114.6 | |
| Houston, TX, United States | 64.5 | 120.1 | |
| Buenos Aires, Argentina | 62.0 | 110.3 | |
| Los Angeles, CA, United States | 61.9 | 108.0 | |
| Bogota, Colombia | 61.7 | 122.0 | |
| Salt Lake City, UT, United States | 60.3 | 114.8 | |
| Medellin, Colombia | 59.0 | 121.1 | |
| Concepcion, Chile | 55.8 | 98.7 | |
| Santo Domingo, Dominican Republic | 55.0 | 94.9 | |
| Detroit, MI, United States | 54.7 | 112.9 | |
| San Jose, CA, United States | 53.4 | 93.3 | |
| San Juan, Puerto Rico | 52.9 | 93.5 | |
| San Jose, Costa Rica | 51.9 | 94.4 | |
| Philadelphia, PA, United States | 51.2 | 92.3 | |
| New York, NY, United States | 50.7 | 90.7 | |
| Monterrey, Mexico | 47.1 | 86.9 | |
| Miami, FL, United States | 46.6 | 82.3 | |
| Reno, NV, United States | 46.6 | 80.5 | |
| Campinas, Brazil | 45.3 | 76.7 | |
| Sacramento, CA, United States | 44.7 | 81.3 | |
| Austin, TX, United States | 44.2 | 89.8 | |
| Panama City, Panama | 44.2 | 88.0 | |
| Columbus, OH, United States | 43.7 | 72.5 | |
| Belo Horizonte, Brazil | 43.2 | 76.2 | |
| Montevideo, Uruguay | 41.2 | 75.0 | |
| Montreal, Canada | 40.3 | 66.6 | |
| Kelowna, Canada | 39.8 | 66.7 | |
| Orlando, FL, United States | 39.7 | 72.1 | |
| Toronto, Canada | 39.4 | 64.2 | |
| Denver, CO, United States | 39.1 | 71.5 | |
| San Francisco, CA, United States | 38.4 | 69.4 | |
| San Diego, CA, United States | 38.0 | 71.9 | |
| Halifax, Canada | 37.2 | 64.8 | |
| Curitiba, Brazil | 36.9 | 65.4 | |
| Winnipeg, Canada | 36.8 | 62.5 | |
| Abbotsford, Canada | 35.2 | 63.6 | |
| Cuenca, Ecuador | 33.6 | 61.7 | |
| Goiania, Brazil | 33.3 | 55.6 | |
| Quebec City, Canada | 33.1 | 62.2 | |
| Chicago, IL, United States | 31.9 | 59.1 | |
| Washington, DC, United States | 30.7 | 56.2 | |
| Brasilia, Brazil | 30.5 | 56.3 | |
| Boston, MA, United States | 28.4 | 51.7 | |
| Edmonton, Canada | 27.5 | 46.6 | |
| Seattle, WA, United States | 26.6 | 49.0 | |
| Brampton, Canada | 26.4 | 42.9 | |
| Minneapolis, MN, United States | 25.2 | 39.4 | |
| Vancouver, Canada | 24.1 | 42.5 | |
| London, Canada | 23.3 | 55.0 | |
| Portland, OR, United States | 20.3 | 35.6 | |
| Ottawa, Canada | 19.5 | 35.4 | |
| Calgary, Canada | 19.4 | 34.0 | |
| Honolulu, HI, United States | 17.7 | 32.9 | |
| Victoria, Canada | 14.6 | 32.3 |