Rank |
City |
Pollution Index |
Exp Pollution Index |
|---|---|---|---|
| Phoenix, AZ, United States | 76.7 | 142.9 | |
| Houston, TX, United States | 67.5 | 125.3 | |
| Los Angeles, CA, United States | 63.6 | 112.0 | |
| San Jose, CA, United States | 58.6 | 101.1 | |
| Miami, FL, United States | 55.7 | 100.2 | |
| Salt Lake City, UT, United States | 54.1 | 103.6 | |
| New York, NY, United States | 51.9 | 91.8 | |
| Philadelphia, PA, United States | 51.2 | 92.3 | |
| Pittsburgh, PA, United States | 50.0 | 85.9 | |
| Sacramento, CA, United States | 49.6 | 92.0 | |
| Windsor, Canada | 48.9 | 86.6 | |
| San Diego, CA, United States | 42.6 | 79.0 | |
| Montreal, Canada | 42.1 | 69.2 | |
| Kelowna, Canada | 40.8 | 69.1 | |
| Columbus, OH, United States | 39.7 | 66.0 | |
| Denver, CO, United States | 37.9 | 69.2 | |
| Austin, TX, United States | 37.6 | 78.2 | |
| San Francisco, CA, United States | 36.9 | 66.3 | |
| Winnipeg, Canada | 36.8 | 62.5 | |
| Washington, DC, United States | 36.2 | 67.8 | |
| Abbotsford, Canada | 35.6 | 64.9 | |
| Chicago, IL, United States | 34.0 | 64.4 | |
| Halifax, Canada | 32.2 | 58.4 | |
| Seattle, WA, United States | 31.3 | 57.6 | |
| Quebec City, Canada | 30.7 | 55.8 | |
| Toronto, Canada | 30.3 | 48.2 | |
| Vancouver, Canada | 26.6 | 45.8 | |
| Boston, MA, United States | 24.6 | 48.7 | |
| Brampton, Canada | 23.1 | 37.5 | |
| Calgary, Canada | 22.6 | 40.6 | |
| Ottawa, Canada | 22.5 | 40.4 | |
| Edmonton, Canada | 21.5 | 36.8 | |
| London, Canada | 16.6 | 39.3 | |
| Victoria, Canada | 15.9 | 34.9 | |
| Honolulu, HI, United States | 14.8 | 27.1 |