Northern America: Pollution Index by City 2023 Mid-Year
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Chart: Pollution Index
Rank |
City |
Pollution Index |
Exp Pollution Index |
|---|---|---|---|
| Los Angeles, CA, United States | 66.4 | 115.8 | |
| Salt Lake City, UT, United States | 63.5 | 123.7 | |
| New York, NY, United States | 57.9 | 101.5 | |
| Hamilton, Canada | 56.9 | 100.8 | |
| Phoenix, AZ, United States | 56.2 | 97.0 | |
| Houston, TX, United States | 56.0 | 96.6 | |
| Las Vegas, NV, United States | 52.5 | 88.1 | |
| San Francisco, CA, United States | 50.2 | 86.6 | |
| Chicago, IL, United States | 48.7 | 82.7 | |
| Sacramento, CA, United States | 46.5 | 79.2 | |
| Pittsburgh, PA, United States | 46.3 | 79.7 | |
| San Antonio, TX, United States | 45.7 | 75.8 | |
| Atlanta, GA, United States | 44.7 | 74.2 | |
| Denver, CO, United States | 43.9 | 76.7 | |
| Dallas, TX, United States | 42.6 | 70.8 | |
| Austin, TX, United States | 42.3 | 71.9 | |
| San Diego, CA, United States | 42.1 | 73.1 | |
| Washington, DC, United States | 40.7 | 69.0 | |
| Miami, FL, United States | 39.2 | 65.7 | |
| Toronto, Canada | 37.2 | 61.5 | |
| Honolulu, HI, United States | 37.0 | 63.4 | |
| Brampton, Canada | 36.9 | 60.9 | |
| Winnipeg, Canada | 36.7 | 61.0 | |
| Portland, OR, United States | 35.6 | 60.4 | |
| Orlando, FL, United States | 35.4 | 59.8 | |
| Tampa, FL, United States | 34.7 | 58.9 | |
| Seattle, WA, United States | 34.7 | 60.0 | |
| Charlotte, NC, United States | 34.6 | 57.5 | |
| Montreal, Canada | 33.7 | 56.8 | |
| Milwaukee, WI, United States | 33.5 | 57.6 | |
| Columbus, OH, United States | 33.2 | 54.0 | |
| Boston, MA, United States | 32.3 | 54.3 | |
| Raleigh, NC, United States | 31.9 | 52.3 | |
| Edmonton, Canada | 30.5 | 50.8 | |
| Tucson, AZ, United States | 30.0 | 51.2 | |
| Minneapolis, MN, United States | 28.6 | 48.5 | |
| Vancouver, Canada | 26.6 | 44.7 | |
| Ottawa, Canada | 26.2 | 43.9 | |
| Calgary, Canada | 25.0 | 40.4 | |
| Halifax, Canada | 24.4 | 42.7 | |
| Mississauga, Canada | 24.0 | 40.0 | |
| Victoria, Canada | 19.5 | 35.4 |