Rank |
City |
Pollution Index |
Exp Pollution Index |
|---|---|---|---|
| Phoenix, AZ, United States | 70.6 | 125.2 | |
| Atlanta, GA, United States | 68.9 | 120.0 | |
| Los Angeles, CA, United States | 68.0 | 120.5 | |
| Houston, TX, United States | 62.6 | 113.5 | |
| New York, NY, United States | 58.4 | 102.6 | |
| Louisville, KY, United States | 56.5 | 98.1 | |
| San Jose, CA, United States | 55.6 | 96.0 | |
| Las Vegas, NV, United States | 52.8 | 90.5 | |
| Salt Lake City, UT, United States | 52.2 | 100.3 | |
| Windsor, Canada | 51.7 | 87.2 | |
| Detroit, MI, United States | 50.8 | 100.7 | |
| Philadelphia, PA, United States | 49.0 | 87.7 | |
| Austin, TX, United States | 46.4 | 82.0 | |
| Macon, GA, United States | 46.0 | 90.3 | |
| New Orleans, LA, United States | 45.7 | 91.2 | |
| Toronto, Canada | 45.1 | 74.8 | |
| Dallas, TX, United States | 44.6 | 78.7 | |
| Pittsburgh, PA, United States | 44.3 | 76.2 | |
| Sacramento, CA, United States | 42.3 | 75.5 | |
| San Francisco, CA, United States | 41.9 | 74.6 | |
| Kelowna, Canada | 41.6 | 73.0 | |
| Miami, FL, United States | 40.6 | 70.7 | |
| Honolulu, HI, United States | 40.0 | 66.5 | |
| Columbus, OH, United States | 39.9 | 65.6 | |
| Cleveland, OH, United States | 39.0 | 70.0 | |
| San Diego, CA, United States | 37.3 | 73.9 | |
| London, Canada | 36.3 | 63.1 | |
| Reno, NV, United States | 36.0 | 61.2 | |
| Montreal, Canada | 35.9 | 59.2 | |
| Winnipeg, Canada | 35.5 | 61.1 | |
| Chicago, IL, United States | 35.4 | 62.2 | |
| Quebec City, Canada | 34.3 | 63.4 | |
| Regina, Canada | 33.2 | 53.4 | |
| Abbotsford, Canada | 32.7 | 56.2 | |
| Denver, CO, United States | 32.4 | 55.5 | |
| Calgary, Canada | 31.3 | 52.7 | |
| Edmonton, Canada | 31.1 | 51.9 | |
| Boston, MA, United States | 29.5 | 52.5 | |
| Washington, DC, United States | 29.0 | 48.4 | |
| Minneapolis, MN, United States | 27.4 | 47.7 | |
| Richmond, VA, United States | 24.9 | 60.8 | |
| Vancouver, Canada | 23.1 | 41.3 | |
| Seattle, WA, United States | 21.5 | 41.2 | |
| Colorado Springs, CO, United States | 19.5 | 29.9 | |
| Ottawa, Canada | 19.2 | 35.2 | |
| Portland, OR, United States | 15.2 | 29.6 | |
| Victoria, Canada | 14.7 | 28.5 | |
| Mobile, AL, United States | 13.3 | 34.5 | |
| Asheville, NC, United States | 13.1 | 23.0 | |
| Concord, NH, United States | 12.1 | 31.0 | |
| Huntsville, AL, United States | 5.2 | 47.8 |