Northern America: Current Pollution Index by City

Chart: Pollution Index
Select display column:
Rank
City
Pollution Index
Exp Pollution Index
Los Angeles, CA, United States 67.4 117.7
Salt Lake City, UT, United States 61.3 118.0
Hamilton, Canada 59.3 105.8
New York, NY, United States 58.3 102.0
Phoenix, AZ, United States 57.1 98.6
Houston, TX, United States 56.8 98.3
Las Vegas, NV, United States 52.0 87.1
Chicago, IL, United States 50.5 85.9
San Francisco, CA, United States 50.3 86.9
Pittsburgh, PA, United States 48.0 82.6
Sacramento, CA, United States 46.8 79.7
Atlanta, GA, United States 45.0 75.0
Denver, CO, United States 44.3 77.3
San Antonio, TX, United States 43.9 72.4
Austin, TX, United States 42.1 71.7
Washington, DC, United States 42.1 71.5
Dallas, TX, United States 41.9 69.4
San Diego, CA, United States 39.8 69.4
Miami, FL, United States 38.6 64.8
Toronto, Canada 37.3 61.7
Honolulu, HI, United States 37.1 63.3
Winnipeg, Canada 35.7 59.4
Charlotte, NC, United States 35.3 58.6
Orlando, FL, United States 35.2 59.5
Montreal, Canada 33.7 56.8
Tampa, FL, United States 32.5 54.5
Seattle, WA, United States 32.4 56.2
Milwaukee, WI, United States 32.0 54.8
Portland, OR, United States 31.7 54.0
Raleigh, NC, United States 30.9 50.5
Columbus, OH, United States 30.6 49.6
Boston, MA, United States 29.8 50.4
Minneapolis, MN, United States 29.3 50.0
Edmonton, Canada 28.8 47.6
Tucson, AZ, United States 27.9 48.2
Vancouver, Canada 25.5 42.7
Ottawa, Canada 24.5 41.3
Halifax, Canada 24.1 42.0
Mississauga, Canada 23.5 39.3
Calgary, Canada 23.3 37.4
Victoria, Canada 18.4 33.9