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10 Most Polluted Cities in the U.S.

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10 Most Polluted Cities in the U.S.

By Brian Merchant, TreeHugger

There’s a pretty good chance you live in a city with air that’s so polluted it’s often unhealthy to breathe. Yes, you. Forty-one percent of Americans do. That’s 127 million people. That’s way too many.

The American Lung Association just released its annual ‘State of the Air’ report, which breaks down the most polluted cities in the nation. As usual, most of them can be found in California’s Central Valley. Here are the three different ‘top ten’ lists, according to the different kinds of pollution:

Cities with the Most Year-Round Particulate Pollution
#1: Bakersfield-Delano, CA
#2: Hanford-Corcoran, CA
#3: Los Angeles-Long Beach-Riverside, CA
#4: Visalia-Porterville, CA
#5: Fresno-Madera, CA
#6: Pittsburgh-New Castle, PA
#7: Phoenix-Mesa-Glendale, AZ
#8: Cincinnati-Middletown-Wilmington, OH-KY-IN
#9: Louisville-Jefferson County-Elizabethtown-Scottsburg, KY-IN
#10: Philadelphia-Camden-Vineland, PA-NJ-DE-MD
#10 (It’s a tie!): St. Louis-St. Charles-Farmington, MO-IL

Next: Cities with the most short-term particulate pollution & ozone pollution

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75 comments

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2:54PM PDT on Aug 18, 2015

Thank you Samantha.

11:32AM PDT on Jun 20, 2015

Thanks Samantha.

5:11AM PST on Feb 9, 2014

thank you

10:24AM PDT on Mar 28, 2013

Just imagine living in China!!!

6:11AM PDT on Mar 22, 2013

noted

1:59PM PDT on Mar 21, 2013

Glad that I dont live in any of them, but I have been to number 3 and 6. Also number 10 is my homestate.

11:39AM PDT on Mar 21, 2013

I am surprised that Houston is not in the top 10

6:43AM PDT on Jun 21, 2012

California is not looking very good.

6:21AM PDT on May 14, 2012

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5:12PM PDT on May 7, 2012

thanks

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