Rank |
City |
Pollution Index |
Exp Pollution Index |
|---|---|---|---|
| Fresno, CA, United States | 85.6 | 154.8 | |
| Atlanta, GA, United States | 75.7 | 134.0 | |
| Modesto, CA, United States | 70.1 | 130.6 | |
| Phoenix, AZ, United States | 68.1 | 122.4 | |
| Baltimore, MD, United States | 67.8 | 122.4 | |
| Los Angeles, CA, United States | 60.9 | 105.9 | |
| Houston, TX, United States | 60.4 | 110.3 | |
| Memphis, TN, United States | 55.2 | 97.3 | |
| Salt Lake City, UT, United States | 53.3 | 100.7 | |
| Knoxville, TN, United States | 53.2 | 121.7 | |
| New York, NY, United States | 52.8 | 94.0 | |
| Fredericton, Canada | 52.2 | 129.1 | |
| Las Vegas, NV, United States | 51.8 | 110.0 | |
| Windsor, Canada | 51.7 | 87.2 | |
| Philadelphia, PA, United States | 51.4 | 92.5 | |
| Louisville, KY, United States | 51.0 | 88.5 | |
| New Orleans, LA, United States | 51.0 | 102.1 | |
| Detroit, MI, United States | 50.8 | 100.7 | |
| San Jose, CA, United States | 47.1 | 82.0 | |
| Dallas, TX, United States | 46.1 | 83.6 | |
| Miami, FL, United States | 44.8 | 78.7 | |
| Austin, TX, United States | 43.8 | 80.4 | |
| Sault Ste. Marie, Canada | 42.4 | 72.7 | |
| San Francisco, CA, United States | 42.4 | 76.2 | |
| Sacramento, CA, United States | 41.7 | 75.4 | |
| Brantford, Canada | 40.3 | 80.7 | |
| Columbus, OH, United States | 39.9 | 65.6 | |
| St.Catharines, Canada | 38.6 | 77.9 | |
| Toronto, Canada | 38.0 | 61.8 | |
| Regina, Canada | 37.4 | 61.2 | |
| Halifax, Canada | 37.2 | 64.8 | |
| Reno, NV, United States | 36.9 | 67.2 | |
| Saint Louis, MO, United States | 36.7 | 61.7 | |
| Montreal, Canada | 36.7 | 59.8 | |
| Chicago, IL, United States | 36.7 | 64.8 | |
| Cleveland, OH, United States | 36.2 | 69.7 | |
| Kelowna, Canada | 35.2 | 60.6 | |
| San Diego, CA, United States | 35.1 | 67.5 | |
| Orlando, FL, United States | 34.8 | 68.2 | |
| Quebec City, Canada | 34.3 | 63.4 | |
| Medicine Hat, Canada | 33.6 | 71.5 | |
| Fort McMurray, Canada | 33.3 | 66.6 | |
| Denver, CO, United States | 32.4 | 55.5 | |
| Abbotsford, Canada | 30.9 | 54.3 | |
| Winnipeg, Canada | 30.2 | 52.5 | |
| Madison, WI, United States | 29.9 | 61.8 | |
| Iowa City, IA, United States | 29.6 | 72.0 | |
| Washington, DC, United States | 29.0 | 48.4 | |
| Edmonton, Canada | 29.0 | 48.9 | |
| Minneapolis, MN, United States | 28.4 | 47.4 | |
| Huntsville, AL, United States | 27.6 | 72.0 | |
| Medford, OR, United States | 27.6 | 72.0 | |
| Tampa, FL, United States | 27.6 | 50.4 | |
| Honolulu, HI, United States | 27.5 | 47.6 | |
| London, Canada | 26.0 | 43.2 | |
| San Antonio, TX, United States | 25.4 | 47.4 | |
| Boston, MA, United States | 25.1 | 48.3 | |
| Calgary, Canada | 24.7 | 42.0 | |
| Kitchener, Canada | 24.0 | 55.5 | |
| Seattle, WA, United States | 23.4 | 45.3 | |
| Brampton, Canada | 23.1 | 37.8 | |
| Hartford, CT, United States | 22.5 | 72.7 | |
| Albuquerque, NM, United States | 21.8 | 48.0 | |
| Indianapolis, IN, United States | 21.4 | 35.2 | |
| Oklahoma City, OK, United States | 20.9 | 42.3 | |
| Vancouver, Canada | 20.6 | 36.3 | |
| Tucson, AZ, United States | 19.4 | 53.9 | |
| Ottawa, Canada | 18.1 | 33.8 | |
| Kansas City, MO, United States | 18.0 | 32.4 | |
| Red Deer, Canada | 17.9 | 40.7 | |
| Portland, OR, United States | 15.7 | 30.2 | |
| Victoria, Canada | 15.1 | 30.3 | |
| Anchorage, AK, United States | 14.9 | 35.9 | |
| Mobile, AL, United States | 13.3 | 34.5 | |
| Moncton, Canada | 12.5 | 33.6 | |
| Asheville, NC, United States | 10.6 | 19.7 | |
| Mississauga, Canada | 9.8 | 20.8 | |
| Colorado Springs, CO, United States | 5.0 | 9.4 | |
| Nanaimo, BC, Canada | 3.4 | 18.3 |